diff --git a/.gitignore b/.gitignore
index 3e102dc..357ccda 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,12 @@
 /venv
 /filecache
+/filecache_audio
+/filecache_image
+/filecache_video
+/filecache_other
+/postgres_data
+/instance
 /__pycache__
 /access_log.db
-/folder_config.json
\ No newline at end of file
+/folder_config.json
+/.env
\ No newline at end of file
diff --git a/analytics.py b/analytics.py
index 0d2e500..6c2a468 100644
--- a/analytics.py
+++ b/analytics.py
@@ -1,13 +1,37 @@
-from flask import render_template, request, session
 import sqlite3
-from datetime import datetime, date, timedelta
+from flask import render_template, request
+from datetime import datetime, timedelta
 import geoip2.database
-from urllib.parse import urlparse, unquote
-
 from auth import require_secret
+import os
 
 file_access_temp = []
 
+# Example database name; you can change to whatever you want:
+DB_NAME = 'access_log.db'
+
+# Create a single global connection to SQLite
+log_db = sqlite3.connect(DB_NAME, check_same_thread=False)
+
+def init_log_db():
+    """Create the file_access_log table if it doesn't already exist."""
+    with log_db:
+        log_db.execute('''
+            CREATE TABLE IF NOT EXISTS file_access_log (
+                id INTEGER PRIMARY KEY AUTOINCREMENT,
+                timestamp TEXT,
+                rel_path TEXT,
+                filesize INTEGER,
+                mime TEXT,
+                ip_address TEXT,
+                user_agent TEXT,
+                device_id TEXT,
+                cached BOOLEAN
+            )
+        ''')
+
+init_log_db()
+
 def lookup_location(ip, reader):
     try:
         response = reader.city(ip)
@@ -18,7 +42,7 @@ def lookup_location(ip, reader):
         return "Unknown", "Unknown"
 
 def get_device_type(user_agent):
-    "classify device type based on user agent string"
+    """Classify device type based on user agent string."""
     if 'Android' in user_agent:
         return 'Android'
     elif 'iPhone' in user_agent or 'iPad' in user_agent:
@@ -32,54 +56,32 @@ def get_device_type(user_agent):
     else:
         return 'Other'
 
-def shorten_referrer(url):
-    segments = [seg for seg in url.split('/') if seg]
-    segment = segments[-1]
-    # Decode all percent-encoded characters (like %20, %2F, etc.)
-    segment_decoded = unquote(segment)
-    return segment_decoded
-
-def log_file_access(full_path, ip_address, user_agent, referrer):
-    """
-    Log file access details to a SQLite database.
-    Records the timestamp, full file path, client IP, user agent, and referrer.
-    """
+def log_file_access(rel_path, filesize, mime, ip_address, user_agent, device_id, cached):
+    """Insert a file access record into the database."""
     global file_access_temp
-    # Connect to the database (this will create the file if it doesn't exist)
-    conn = sqlite3.connect('access_log.db')
-    cursor = conn.cursor()
-    # Create the table if it doesn't exist
-    cursor.execute('''
-        CREATE TABLE IF NOT EXISTS file_access_log (
-            id INTEGER PRIMARY KEY AUTOINCREMENT,
-            timestamp TEXT,
-            full_path TEXT,
-            ip_address TEXT,
-            user_agent TEXT,
-            referrer TEXT
-        )
-    ''')
-    # Gather information from the request
-    timestamp = datetime.now().isoformat()
-    
-    # Insert the access record into the database
-    cursor.execute('''
-        INSERT INTO file_access_log (timestamp, full_path, ip_address, user_agent, referrer)
-        VALUES (?, ?, ?, ?, ?)
-    ''', (timestamp, full_path, ip_address, user_agent, referrer))
-    conn.commit()
-    conn.close()
-    file_access_temp.insert(0, [timestamp, full_path, ip_address, user_agent, referrer])
-    return return_file_access()
+    timestamp = datetime.now()  # a datetime object
+
+    # Store the ISO timestamp in the database for easy lexical comparison
+    iso_ts = timestamp.isoformat()
+
+    with log_db:
+        log_db.execute('''
+            INSERT INTO file_access_log 
+                (timestamp, rel_path, filesize, mime, ip_address, user_agent, device_id, cached)
+            VALUES (?, ?, ?, ?, ?, ?, ?, ?)
+        ''', (iso_ts, rel_path, filesize, mime, ip_address, user_agent, device_id, cached))
+    file_access_temp.insert(0, [iso_ts, rel_path, filesize, mime, ip_address, user_agent, device_id, cached])
+
+    return iso_ts
 
 def return_file_access():
+    """Return recent file access logs from memory (the last 10 minutes)."""
     global file_access_temp
-    if len(file_access_temp) > 0:
-        # Compute the cutoff time (10 minutes ago from now)
+    if file_access_temp:
         cutoff_time = datetime.now() - timedelta(minutes=10)
-        # Update the list in-place to keep only entries newer than 10 minutes
+        # Convert each stored timestamp (ISO string) back to datetime
         file_access_temp[:] = [
-            entry for entry in file_access_temp 
+            entry for entry in file_access_temp
             if datetime.fromisoformat(entry[0]) >= cutoff_time
         ]
         return file_access_temp
@@ -92,140 +94,240 @@ def connections():
 
 @require_secret
 def dashboard():
+    filetype_arg = request.args.get('filetype', 'audio')
     timeframe = request.args.get('timeframe', 'today')
     now = datetime.now()
 
+    # Determine which file type we're filtering by.
+    filetype = 'other'
+
+    # Some simplistic sets to decide how we match the MIME type
+    audio_list = ['mp3', 'wav', 'audio']
+    image_list = ['jpg', 'jpeg', 'image', 'photo']
+    video_list = ['mp4', 'mov', 'wmv', 'avi']
+
+    if filetype_arg.lower() in audio_list:
+        filetype = 'audio/'
+    elif filetype_arg.lower() in image_list:
+        filetype = 'image/'
+    elif filetype_arg.lower() in video_list:
+        filetype = 'video/'
+
+    # Determine start time based on timeframe
     if timeframe == 'today':
-        start = now.replace(hour=0, minute=0, second=0, microsecond=0)
+        start_dt = now.replace(hour=0, minute=0, second=0, microsecond=0)
     elif timeframe == '7days':
-        start = now - timedelta(days=7)
+        start_dt = now - timedelta(days=7)
     elif timeframe == '30days':
-        start = now - timedelta(days=30)
+        start_dt = now - timedelta(days=30)
     elif timeframe == '365days':
-        start = now - timedelta(days=365)
+        start_dt = now - timedelta(days=365)
     else:
-        start = now.replace(hour=0, minute=0, second=0, microsecond=0)
+        start_dt = now.replace(hour=0, minute=0, second=0, microsecond=0)
 
-    conn = sqlite3.connect('access_log.db')
-    cursor = conn.cursor()
+    # We'll compare the textual timestamp (ISO 8601).
+    start_str = start_dt.isoformat()
 
-    # Raw file access counts for the table (top files)
-    cursor.execute('''
-        SELECT full_path, COUNT(*) as access_count
+    # Build the SQL filter
+    if filetype == 'other':
+        # Exclude audio, image, video
+        filetype_filter_sql = (
+            "AND mime NOT LIKE 'audio/%' "
+            "AND mime NOT LIKE 'image/%' "
+            "AND mime NOT LIKE 'video/%' "
+        )
+        params_for_filter = (start_str,)
+    else:
+        # Filter for mimes that start with the given type
+        filetype_filter_sql = "AND mime LIKE ?"
+        params_for_filter = (start_str, filetype + '%')
+
+    # 1. Top files by access count
+    query = f'''
+        SELECT rel_path, COUNT(*) as access_count
         FROM file_access_log
-        WHERE timestamp >= ?
-        GROUP BY full_path
+        WHERE timestamp >= ? {filetype_filter_sql}
+        GROUP BY rel_path
         ORDER BY access_count DESC
         LIMIT 20
-    ''', (start.isoformat(),))
-    rows = cursor.fetchall()
+    '''
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        rows = cursor.fetchall()
 
-    # Daily access trend for a line chart
-    cursor.execute('''
-        SELECT date(timestamp) as date, COUNT(*) as count
+    # 2. Daily access trend (line chart)
+    #    We'll group by day using substr(timestamp, 1, 10) -> YYYY-MM-DD
+    query = f'''
+        SELECT substr(timestamp, 1, 10) AS date, COUNT(*) AS count
         FROM file_access_log
-        WHERE timestamp >= ?
+        WHERE timestamp >= ? {filetype_filter_sql}
         GROUP BY date
         ORDER BY date
-    ''', (start.isoformat(),))
-    daily_access_data = [dict(date=row[0], count=row[1]) for row in cursor.fetchall()]
+    '''
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        daily_rows = cursor.fetchall()
+    daily_access_data = [
+        dict(date=r[0], count=r[1]) for r in daily_rows
+    ]
 
-    # Top files for bar chart
-    cursor.execute('''
-        SELECT full_path, COUNT(*) as access_count
-        FROM file_access_log
-        WHERE timestamp >= ?
-        GROUP BY full_path
-        ORDER BY access_count DESC
-        LIMIT 10
-    ''', (start.isoformat(),))
-    top_files_data = [dict(full_path=row[0], access_count=row[1]) for row in cursor.fetchall()]
+    # 3. Timeframe-based aggregation
+    #    We'll group by hour if "today", by day if "7days"/"30days", by month if "365days".
+    if timeframe == 'today':
+        # Hour: substr(timestamp, 12, 2) -> HH
+        query = f'''
+            SELECT substr(timestamp, 12, 2) AS bucket, COUNT(*) AS count
+            FROM file_access_log
+            WHERE timestamp >= ? {filetype_filter_sql}
+            GROUP BY bucket
+            ORDER BY bucket
+        '''
+    elif timeframe in ('7days', '30days'):
+        # Day: substr(timestamp, 1, 10) -> YYYY-MM-DD
+        query = f'''
+            SELECT substr(timestamp, 1, 10) AS bucket, COUNT(*) AS count
+            FROM file_access_log
+            WHERE timestamp >= ? {filetype_filter_sql}
+            GROUP BY bucket
+            ORDER BY bucket
+        '''
+    elif timeframe == '365days':
+        # Month: substr(timestamp, 1, 7) -> YYYY-MM
+        query = f'''
+            SELECT substr(timestamp, 1, 7) AS bucket, COUNT(*) AS count
+            FROM file_access_log
+            WHERE timestamp >= ? {filetype_filter_sql}
+            GROUP BY bucket
+            ORDER BY bucket
+        '''
+    else:
+        # Default: group by day
+        query = f'''
+            SELECT substr(timestamp, 1, 10) AS bucket, COUNT(*) AS count
+            FROM file_access_log
+            WHERE timestamp >= ? {filetype_filter_sql}
+            GROUP BY bucket
+            ORDER BY bucket
+        '''
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        timeframe_data_rows = cursor.fetchall()
+    timeframe_data = [
+        dict(bucket=r[0], count=r[1]) for r in timeframe_data_rows
+    ]
 
-    # User agent distribution (aggregate by device type)
-    cursor.execute('''
-        SELECT user_agent, COUNT(*) as count
+    # 4. User agent distribution
+    query = f'''
+        SELECT user_agent, COUNT(*) AS count
         FROM file_access_log
-        WHERE timestamp >= ?
+        WHERE timestamp >= ? {filetype_filter_sql}
         GROUP BY user_agent
         ORDER BY count DESC
-    ''', (start.isoformat(),))
-    raw_user_agents = [dict(user_agent=row[0], count=row[1]) for row in cursor.fetchall()]
+    '''
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        raw_user_agents = cursor.fetchall()
     device_counts = {}
-    for entry in raw_user_agents:
-        device = get_device_type(entry['user_agent'])
-        device_counts[device] = device_counts.get(device, 0) + entry['count']
-    # Rename to user_agent_data for compatibility with the frontend
-    user_agent_data = [dict(device=device, count=count) for device, count in device_counts.items()]
+    for (ua, cnt) in raw_user_agents:
+        device = get_device_type(ua)
+        device_counts[device] = device_counts.get(device, 0) + cnt
+    user_agent_data = [
+        dict(device=d, count=c) for d, c in device_counts.items()
+    ]
 
-    # Referrer distribution (shorten links)
-    cursor.execute('''
-        SELECT referrer, COUNT(*) as count
+    # 5. Parent folder distribution
+    query = f'''
+        SELECT rel_path, COUNT(*) AS count
         FROM file_access_log
-        WHERE timestamp >= ?
-        GROUP BY referrer
+        WHERE timestamp >= ? {filetype_filter_sql}
+        GROUP BY rel_path
         ORDER BY count DESC
-        LIMIT 10
-    ''', (start.isoformat(),))
-    referrer_data = []
-    for row in cursor.fetchall():
-        raw_ref = row[0]
-        shortened = shorten_referrer(raw_ref) if raw_ref else "Direct/None"
-        referrer_data.append(dict(referrer=shortened, count=row[1]))
+    '''
+    folder_data_dict = {}
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        for (rp, c) in cursor.fetchall():
+            if '/' in rp:
+                parent_folder = rp.rsplit('/', 1)[0]
+            else:
+                parent_folder = "Root"
+            folder_data_dict[parent_folder] = folder_data_dict.get(parent_folder, 0) + c
+    folder_data = [dict(folder=f, count=cnt) for f, cnt in folder_data_dict.items()]
+    folder_data.sort(key=lambda x: x['count'], reverse=True)
+    folder_data = folder_data[:10]
 
-    # Aggregate IP addresses with counts
-    cursor.execute('''
+    # 6. Aggregate IP addresses with counts
+    query = f'''
         SELECT ip_address, COUNT(*) as count
         FROM file_access_log
-        WHERE timestamp >= ?
+        WHERE timestamp >= ? {filetype_filter_sql}
         GROUP BY ip_address
         ORDER BY count DESC
-    ''', (start.isoformat(),))
-    ip_rows = cursor.fetchall()
+    '''
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        ip_rows = cursor.fetchall()
 
-    # Initialize GeoIP2 reader once for efficiency
+    # 7. Summary stats
+    # total_accesses
+    query = f'''
+        SELECT COUNT(*) 
+        FROM file_access_log
+        WHERE timestamp >= ? {filetype_filter_sql}
+    '''
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        total_accesses = cursor.fetchone()[0]
+
+    # unique_files
+    query = f'''
+        SELECT COUNT(DISTINCT rel_path)
+        FROM file_access_log
+        WHERE timestamp >= ? {filetype_filter_sql}
+    '''
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        unique_files = cursor.fetchone()[0]
+
+    # unique_user
+    query = f'''
+        SELECT COUNT(DISTINCT device_id)
+        FROM file_access_log
+        WHERE timestamp >= ? {filetype_filter_sql}
+    '''
+    with log_db:
+        cursor = log_db.execute(query, params_for_filter)
+        unique_user = cursor.fetchone()[0]
+
+    # 8. Process location data with GeoIP2
     reader = geoip2.database.Reader('GeoLite2-City.mmdb')
-    location_data = {}
-    for ip, count in ip_rows:
-        country, city = lookup_location(ip, reader)
+    location_data_dict = {}
+    for (ip_addr, cnt) in ip_rows:
+        country, city = lookup_location(ip_addr, reader)
         key = (country, city)
-        if key in location_data:
-            location_data[key] += count
-        else:
-            location_data[key] = count
+        location_data_dict[key] = location_data_dict.get(key, 0) + cnt
     reader.close()
-    
-    # Convert the dictionary to a list of dictionaries
+
     location_data = [
-        dict(country=key[0], city=key[1], count=value) 
-        for key, value in location_data.items()
+        dict(country=k[0], city=k[1], count=v)
+        for k, v in location_data_dict.items()
     ]
-    
-    # Sort by count in descending order and take the top 20
     location_data.sort(key=lambda x: x['count'], reverse=True)
     location_data = location_data[:20]
 
-    # Summary stats using separate SQL queries
-    cursor.execute('SELECT COUNT(*) FROM file_access_log WHERE timestamp >= ?', (start.isoformat(),))
-    total_accesses = cursor.fetchone()[0]
-    
-    # Use a separate query to count unique files (distinct full_path values)
-    cursor.execute('SELECT COUNT(DISTINCT full_path) FROM file_access_log WHERE timestamp >= ?', (start.isoformat(),))
-    unique_files = cursor.fetchone()[0]
+    # Convert the top-files rows to a list of dictionaries
+    rows = [dict(rel_path=r[0], access_count=r[1]) for r in rows]
 
-    # Use a separate query to count unique IP addresses
-    cursor.execute('SELECT COUNT(DISTINCT ip_address) FROM file_access_log WHERE timestamp >= ?', (start.isoformat(),))
-    unique_ips = cursor.fetchone()[0]
-    
-    conn.close()
-
-    return render_template("dashboard.html",
-                           timeframe=timeframe,
-                           rows=rows,
-                           daily_access_data=daily_access_data,
-                           top_files_data=top_files_data,
-                           user_agent_data=user_agent_data,
-                           referrer_data=referrer_data,
-                           location_data=location_data,
-                           total_accesses=total_accesses,
-                           unique_files=unique_files,
-                           unique_ips=unique_ips)
\ No newline at end of file
+    return render_template(
+        "dashboard.html",
+        timeframe=timeframe,
+        rows=rows,
+        daily_access_data=daily_access_data,
+        user_agent_data=user_agent_data,
+        folder_data=folder_data,
+        location_data=location_data,
+        total_accesses=total_accesses,
+        unique_files=unique_files,
+        unique_user=unique_user,
+        timeframe_data=timeframe_data
+    )
diff --git a/app.py b/app.py
index d3da61f..113ba50 100755
--- a/app.py
+++ b/app.py
@@ -4,7 +4,6 @@ from PIL import Image
 import io
 from functools import wraps
 import mimetypes
-import sqlite3
 from datetime import datetime, date, timedelta
 import diskcache
 import threading
@@ -15,12 +14,15 @@ import geoip2.database
 from functools import lru_cache
 from urllib.parse import urlparse, unquote
 from werkzeug.middleware.proxy_fix import ProxyFix
-
+import re
 
 import auth
 import analytics as a
 
-cache = diskcache.Cache('./filecache', size_limit= 48 * 1024**3)  # 48 GB limit
+cache_audio = diskcache.Cache('./filecache_audio', size_limit= 48 * 1024**3)  # 48 GB limit
+cache_image = diskcache.Cache('./filecache_image', size_limit= 48 * 1024**3)  # 48 GB limit
+cache_video = diskcache.Cache('./filecache_video', size_limit= 48 * 1024**3)  # 48 GB limit
+cache_other = diskcache.Cache('./filecache_other', size_limit= 48 * 1024**3)  # 48 GB limit
 
 app = Flask(__name__)
 app.wsgi_app = ProxyFix(app.wsgi_app, x_for=1, x_proto=1)
@@ -36,7 +38,17 @@ app.add_url_rule('/connections', view_func=a.connections)
 app.add_url_rule('/mylinks', view_func=auth.mylinks)
 app.add_url_rule('/remove_secret', view_func=auth.remove_secret, methods=['POST'])
 
-socketio = SocketIO(app, async_mode='eventlet')
+# Grab the HOST_RULE environment variable
+host_rule = os.getenv("HOST_RULE", "")
+# Use a regex to extract domain names between backticks in patterns like Host(`something`)
+pattern = r"Host\(`([^`]+)`\)"
+allowed_domains = re.findall(pattern, host_rule)
+
+socketio = SocketIO(
+    app,
+    async_mode='eventlet',
+    cors_allowed_origins=allowed_domains
+)
 background_thread_running = False
 
 # Global variables to track the number of connected clients and the background thread
@@ -76,8 +88,8 @@ def list_directory_contents(directory, subpath):
     transcription_exists = os.path.isdir(transcription_dir)
 
     # Define allowed file extensions.
-    allowed_music_exts = ('.mp3',)
-    allowed_image_exts = ('.jpg', '.jpeg', '.png', '.gif', '.bmp')
+    music_exts = ('.mp3',)
+    image_exts = ('.jpg', '.jpeg', '.png', '.gif', '.bmp')
     
     try:
         with os.scandir(directory) as it:
@@ -94,27 +106,31 @@ def list_directory_contents(directory, subpath):
                     directories.append({'name': entry.name, 'path': rel_path.replace(os.sep, '/')})
                 elif entry.is_file(follow_symlinks=False):
                     lower_name = entry.name.lower()
-                    if lower_name.endswith(allowed_music_exts) or lower_name.endswith(allowed_image_exts):
-                        rel_path = os.path.join(subpath, entry.name) if subpath else entry.name
-                        if lower_name.endswith(allowed_music_exts):
-                            file_type = 'music'
-                        else:
-                            file_type = 'image'
-                        file_entry = {'name': entry.name, 'path': rel_path.replace(os.sep, '/'), 'file_type': file_type}
-                        # Only check for transcription if it's a audio file.
-                        if file_type == 'music' and transcription_exists:
-                            base_name = os.path.splitext(entry.name)[0]
-                            transcript_filename = base_name + '.md'
-                            transcript_path = os.path.join(transcription_dir, transcript_filename)
-                            if os.path.isfile(transcript_path):
-                                file_entry['has_transcript'] = True
-                                transcript_rel_path = os.path.join(subpath, "Transkription", transcript_filename) if subpath else os.path.join("Transkription", transcript_filename)
-                                file_entry['transcript_url'] = url_for('get_transcript', subpath=transcript_rel_path.replace(os.sep, '/'))
-                            else:
-                                file_entry['has_transcript'] = False
+
+                    # implement file type filtering here !!!
+                    #if lower_name.endswith(music_exts) or lower_name.endswith(image_exts):
+                    rel_path = os.path.join(subpath, entry.name) if subpath else entry.name
+                    if lower_name.endswith(music_exts):
+                        file_type = 'music'
+                    elif lower_name.endswith(image_exts):
+                        file_type = 'image'
+                    else:
+                        file_type = 'other'
+                    file_entry = {'name': entry.name, 'path': rel_path.replace(os.sep, '/'), 'file_type': file_type}
+                    # Only check for transcription if it's a audio file.
+                    if file_type == 'music' and transcription_exists:
+                        base_name = os.path.splitext(entry.name)[0]
+                        transcript_filename = base_name + '.md'
+                        transcript_path = os.path.join(transcription_dir, transcript_filename)
+                        if os.path.isfile(transcript_path):
+                            file_entry['has_transcript'] = True
+                            transcript_rel_path = os.path.join(subpath, "Transkription", transcript_filename) if subpath else os.path.join("Transkription", transcript_filename)
+                            file_entry['transcript_url'] = url_for('get_transcript', subpath=transcript_rel_path.replace(os.sep, '/'))
                         else:
                             file_entry['has_transcript'] = False
-                        files.append(file_entry)
+                    else:
+                        file_entry['has_transcript'] = False
+                    files.append(file_entry)
     except PermissionError:
         pass
 
@@ -179,7 +195,7 @@ def api_browse(subpath):
 
 @app.route("/media/<path:subpath>")
 @auth.require_secret
-def serve_file(subpath):   
+def serve_file(subpath):               
     root, *relative_parts = subpath.split('/')
     base_path = session['folders'][root]
     full_path = os.path.join(base_path, *relative_parts)
@@ -190,43 +206,48 @@ def serve_file(subpath):
 
     mime, _ = mimetypes.guess_type(full_path)
     mime = mime or 'application/octet-stream'
-
-    if mime and mime.startswith('image/'):
-        pass # do not log access to images
-    
-    else:
-        # HEAD request are coming in to initiate server caching.
-        # only log initial hits and not the reload of further file parts
-        range_header = request.headers.get('Range')
-        # only request with starting from the beginning of the file will be tracked
-        #                              no range -> full file                                                   not just the first byte
-        if request.method == 'GET' and (not range_header or (range_header.startswith("bytes=0-") and range_header != "bytes=0-1")):
-            ip_address = request.remote_addr
-            user_agent = request.headers.get('User-Agent')
-            referrer = request.headers.get('Referer')
-            threading.Thread(
-                target=a.log_file_access,
-                args=(full_path, ip_address, user_agent, referrer)
-            ).start()
+    range_header = request.headers.get('Range')
+    ip_address = request.remote_addr
+    user_agent = request.headers.get('User-Agent')
 
     # Check cache first (using diskcache)
     response = None
+    
+    # determine the cache to use based on the file type
+    if mime and mime.startswith('audio/'):
+        cache = cache_audio
+    elif mime and mime.startswith('image/'):
+        cache = cache_image
+    elif mime and mime.startswith('video/'):
+        cache = cache_video
+    else:
+        cache = cache_other
+        
+    # Check if the file is already cached
     cached = cache.get(subpath)
     if cached:
         cached_file_bytes, mime = cached
         cached_file = io.BytesIO(cached_file_bytes)
+        filesize = len(cached_file.getbuffer())
         response = send_file(cached_file, mimetype=mime)
     else:
         if mime and mime.startswith('image/'):
             # Image processing branch (with caching)
             try:
                 with Image.open(full_path) as img:
-                    img.thumbnail((1200, 1200))
-                    img_bytes = io.BytesIO()
-                    img.save(img_bytes, format='PNG', quality=85)
-                    img_bytes = img_bytes.getvalue()
-                    cache.set(subpath, (img_bytes, mime))
-                    response = send_file(io.BytesIO(img_bytes), mimetype=mime, conditional=True)
+                    img.thumbnail((1920, 1920))
+                    if img.mode in ("RGBA", "P"):
+                        img = img.convert("RGB")
+                    output_format = 'JPEG'
+                    output_mime = 'image/jpeg'
+                    save_kwargs = {'quality': 85}
+
+                    img_bytes_io = io.BytesIO()
+                    filesize = len(img_bytes_io.getbuffer())
+                    img.save(img_bytes_io, format=output_format, **save_kwargs)
+                    thumb_bytes = img_bytes_io.getvalue()
+                    cache.set(subpath, (thumb_bytes, output_mime))
+                    response = send_file(io.BytesIO(thumb_bytes), mimetype=output_mime, conditional=True)
             except Exception as e:
                 app.logger.error(f"Image processing failed for {subpath}: {e}")
                 abort(500)
@@ -236,13 +257,29 @@ def serve_file(subpath):
                 with open(full_path, 'rb') as f:
                     file_bytes = f.read()
                 cache.set(subpath, (file_bytes, mime))
-                response = send_file(io.BytesIO(file_bytes), mimetype=mime, conditional=True)
+                file_bytes_io = io.BytesIO(file_bytes)
+                filesize = len(file_bytes_io.getbuffer())
+                response = send_file(file_bytes_io, mimetype=mime, conditional=True)
             except Exception as e:
                 app.logger.error(f"Failed to read file {subpath}: {e}")
                 abort(500)
 
     # Set Cache-Control header (browser caching for 1 day)
     response.headers['Cache-Control'] = 'public, max-age=86400'
+
+    if mime and mime.startswith('audio/mpeg'): # special rules for mp3 files
+        # HEAD request are coming in to initiate server caching. Ignore HEAD Request. Only log GET request.
+        # log access if there is no range header. # log access if range request starts from 0 but is larger then only from 0 to 1 (bytes=0-1)
+        if request.method == 'GET' and (not range_header or (range_header.startswith("bytes=0-") and range_header != "bytes=0-1")):
+            logging = True
+        else:
+            logging = False
+    else:
+        logging = True
+
+    if logging:
+        a.log_file_access(subpath, filesize, mime, ip_address, user_agent, session['device_id'], bool(cached))
+
     return response
 
 
@@ -327,8 +364,11 @@ def query_recent_connections():
                 {
                     'timestamp': datetime.strptime(row[0], '%Y-%m-%dT%H:%M:%S.%f').strftime('%d.%m.%Y %H:%M:%S'),
                     'full_path': row[1],
-                    'ip_address': row[2],
-                    'user_agent': row[3]
+                    'filesize' : row[2],
+                    'mime_typ' : row[3],
+                    'ip_address': row[4],
+                    'user_agent': row[5],
+                    'cached':  row[7]
                 }
                 for row in rows
             ]
@@ -365,8 +405,11 @@ def handle_request_initial_data():
         {
             'timestamp': datetime.strptime(row[0], '%Y-%m-%dT%H:%M:%S.%f').strftime('%d.%m.%Y %H:%M:%S'),
             'full_path': row[1],
-            'ip_address': row[2],
-            'user_agent': row[3]
+            'filesize' : row[2],
+            'mime_typ' : row[3],
+            'ip_address': row[4],
+            'user_agent': row[5],
+            'cached':  row[7]
         }
         for row in rows
     ]
@@ -377,7 +420,9 @@ def handle_request_initial_data():
 @app.route('/<path:path>')
 @auth.require_secret
 def index(path):
-    return render_template("app.html")
+    title_short = os.environ.get('TITLE_SHORT', 'Default Title')
+    title_long = os.environ.get('TITLE_LONG', 'Default Title')
+    return render_template("app.html", title_short=title_short, title_long=title_long)
 
 if __name__ == '__main__':
     socketio.run(app, debug=True, host='0.0.0.0')
diff --git a/auth.py b/auth.py
index 0118009..182746c 100644
--- a/auth.py
+++ b/auth.py
@@ -2,6 +2,7 @@ from flask import Flask, render_template, request, redirect, url_for, session
 from functools import wraps
 from datetime import datetime, date, timedelta
 import io
+import os
 import json
 import qrcode
 import base64
@@ -72,6 +73,10 @@ def require_secret(f):
 
         # 6) If we have folders, proceed; otherwise show index
         if session['folders']:
+            # assume since visitor has a valid secret, they are ok with annonymous tracking
+            # this is required to track the devices connecting over the same ip address
+            if 'device_id' not in session:
+                session['device_id'] = os.urandom(32).hex()
             return f(*args, **kwargs)
         else:
             return render_template('index.html')
diff --git a/check_ssh_tunnel.sh b/check_ssh_tunnel.sh
index 17b4e60..4277192 100755
--- a/check_ssh_tunnel.sh
+++ b/check_ssh_tunnel.sh
@@ -16,15 +16,13 @@ SERVER1_MOUNT_POINTS=(
     "/mnt/Gottesdienste Speyer"
     "/mnt/Besondere Gottesdienste"
     "/mnt/Liedersammlung"
-    "/mnt/Jungschar"
-    "/mnt/Jugend"
+    "/mnt/app_share"
 )
 SERVER1_NFS_SHARES=(
     "/volume1/Aufnahme-stereo/010 Gottesdienste ARCHIV"
     "/volume1/Aufnahme-stereo/013 Besondere Gottesdienste"
     "/volume1/Aufnahme-stereo/014 Liedersammlung"
-    "/volume1/app.share/Jungschar"
-    "/volume1/app.share/Jugend"
+    "/volume1/app_share"
 )
 
 # Server 2 Configuration
@@ -124,7 +122,7 @@ for server in "${SERVERS[@]}"; do
         # Mount the NFS share if it's not already mounted.
         if ! is_nfs_mounted "${MOUNT_POINT}"; then
             echo "[INFO] NFS share is not mounted at ${MOUNT_POINT}. Attempting to mount..."
-            sudo mount -t nfs -o port="${LOCAL_PORT}",nolock,soft 127.0.0.1:"${NFS_SHARE}" "${MOUNT_POINT}"
+            sudo mount -t nfs -o ro,port="${LOCAL_PORT}",nolock,soft,timeo=5,retrans=3 127.0.0.1:"${NFS_SHARE}" "${MOUNT_POINT}"
             if is_nfs_mounted "${MOUNT_POINT}"; then
                 echo "[SUCCESS] NFS share mounted successfully at ${MOUNT_POINT}."
             else
diff --git a/docker-compose.yml b/docker-compose.yml
index b1a0c62..b55bb90 100755
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 services:
   flask-app:
     image: python:3.11-slim
-    container_name: bethaus-app
+    container_name: ${CONTAINER_NAME}
     restart: always
     working_dir: /app
     volumes:
@@ -17,31 +17,34 @@ services:
     environment:
       - FLASK_APP=app.py
       - FLASK_ENV=production
+      - TITLE_SHORT=${TITLE_SHORT}
+      - TITLE_LONG=${TITLE_LONG}
     networks:
       - traefik
     labels:
       - "traefik.enable=true"
 
       # HTTP router (port 80), redirecting to HTTPS
-      - "traefik.http.routers.bethaus-app.rule=Host(`app.bethaus-speyer.de`)"
-      - "traefik.http.routers.bethaus-app.entrypoints=web"
-      - "traefik.http.routers.bethaus-app.middlewares=redirect-to-https"
+      - "traefik.http.routers.${CONTAINER_NAME}.rule=${HOST_RULE}"
+      - "traefik.http.routers.${CONTAINER_NAME}.entrypoints=web"
+      - "traefik.http.routers.${CONTAINER_NAME}.middlewares=redirect-to-https"
       - "traefik.http.middlewares.redirect-to-https.redirectscheme.scheme=https"
 
       # HTTPS router (TLS via Let's Encrypt)
-      - "traefik.http.routers.bethaus-app-secure.rule=Host(`app.bethaus-speyer.de`)"
-      - "traefik.http.routers.bethaus-app-secure.entrypoints=websecure"
-      - "traefik.http.routers.bethaus-app-secure.tls=true"
-      - "traefik.http.routers.bethaus-app-secure.tls.certresolver=myresolver"
+      - "traefik.http.routers.${CONTAINER_NAME}-secure.rule=${HOST_RULE}"
+      - "traefik.http.routers.${CONTAINER_NAME}-secure.entrypoints=websecure"
+      - "traefik.http.routers.${CONTAINER_NAME}-secure.tls=true"
+      - "traefik.http.routers.${CONTAINER_NAME}-secure.tls.certresolver=myresolver"
 
       # Internal port
-      - "traefik.http.services.bethaus-app.loadbalancer.server.port=5000"
+      - "traefik.http.services.${CONTAINER_NAME}.loadbalancer.server.port=5000"
 
     # Production-ready Gunicorn command with eventlet
     command: >
       sh -c "pip install -r requirements.txt &&
             gunicorn --worker-class eventlet -w 1 -b 0.0.0.0:5000 app:app"
 
+
 networks:
   traefik:
     external: true
diff --git a/static/app.css b/static/app.css
index 969105c..66219ad 100644
--- a/static/app.css
+++ b/static/app.css
@@ -102,7 +102,7 @@ div.directory-item a, li.directory-item a, li.file-item a {
 }
 .directories-grid .directory-item {
   background-color: #fff;
-  padding: 15px 10px;
+  padding: 15px;
   border-radius: 5px;
   text-align: center;
   box-shadow: 0 1px 3px rgba(0,0,0,0.1);
@@ -114,7 +114,7 @@ div.directory-item a, li.directory-item a, li.file-item a {
   grid-template-columns: 1fr auto;
   align-items: center;
   margin: 10px 0;
-  padding: 15px 10px;
+  padding: 15px;
   background-color: #fff;
   border-radius: 5px;
   box-shadow: 0 1px 3px rgba(0,0,0,0.1);
diff --git a/static/app.js b/static/app.js
index 37a76d9..503b273 100644
--- a/static/app.js
+++ b/static/app.js
@@ -1,6 +1,7 @@
 // Define global variables to track music files and the current index.
 let currentMusicFiles = []; // Array of objects with at least { path, index }
 let currentMusicIndex = -1; // Index of the current music file
+let currentTrackPath  = "";
 
 // Helper function: decode each segment then re-encode to avoid double encoding.
 function encodeSubpath(subpath) {
@@ -15,6 +16,19 @@ function encodeSubpath(subpath) {
 let currentGalleryImages = [];
 
 
+function paintFile() {
+    // Highlight the currently playing file
+    if (currentTrackPath) {
+      const currentMusicFile = currentMusicFiles.find(file => file.path === currentTrackPath);
+      if (currentMusicFile) {
+        const currentMusicFileElement = document.querySelector(`.play-file[data-url="${currentMusicFile.path}"]`);
+        if (currentMusicFileElement) {
+          currentMusicFileElement.closest('.file-item').classList.add('currently-playing');
+        }
+      }
+    }
+  }
+
 function renderContent(data) {
 
   // Render breadcrumbs, directories (grid view when appropriate), and files.
@@ -32,8 +46,8 @@ function renderContent(data) {
   let contentHTML = '';
   if (data.directories.length > 0) {
     contentHTML += '<ul>';
-    // Check if every directory name is short (≤15 characters)
-    const areAllShort = data.directories.every(dir => dir.name.length <= 15);
+    // Check if every directory name is short (≤15 characters) and no files are present
+    const areAllShort = data.directories.every(dir => dir.name.length <= 15) && data.files.length === 0;
     if (areAllShort) {
       contentHTML += '<div class="directories-grid">';
       data.directories.forEach(dir => {
@@ -62,9 +76,7 @@ function renderContent(data) {
         symbol = '🖼️';
       }
       const indexAttr = file.file_type === 'music' ? ` data-index="${currentMusicFiles.length - 1}"` : '';
-      // preserve currently-playing class during reloads
-      const isCurrentlyPlaying = file.file_type === 'music' && currentMusicIndex === currentMusicFiles.length - 1 ? ' currently-playing' : '';
-      contentHTML += `<li class="file-item ${isCurrentlyPlaying}">
+      contentHTML += `<li class="file-item">
                 <a href="#" class="play-file"${indexAttr} data-url="${file.path}" data-file-type="${file.file_type}">${symbol} ${file.name.replace('.mp3', '')}</a>`;
       if (file.has_transcript) {
         contentHTML += `<a href="#" class="show-transcript" data-url="${file.transcript_url}" title="Show Transcript">&#128196;</a>`;
@@ -132,6 +144,7 @@ function loadDirectory(subpath) {
     .then(response => response.json())
     .then(data => {
       renderContent(data);
+      paintFile();
       return data; // return data for further chaining
     })
     .catch(error => {
@@ -250,6 +263,7 @@ document.querySelectorAll('.play-file').forEach(link => {
         audioPlayer.src = mediaUrl;
         audioPlayer.load();
         await audioPlayer.play();
+        currentTrackPath = relUrl;
         playerButton.innerHTML = pauseIcon;
 
         // Process file path for display.
@@ -286,6 +300,9 @@ document.querySelectorAll('.play-file').forEach(link => {
     } else if (fileType === 'image') {
       // Open the gallery modal for image files.
       openGalleryModal(relUrl);
+    } else {
+      // serve like a download
+      window.location.href = `/media/${relUrl}`;
     }
   });
 });
@@ -412,8 +429,6 @@ if ('mediaSession' in navigator) {
 }
 
 document.getElementById('globalAudio').addEventListener('ended', () => {
-  // Save the current track's path (if any)
-  const currentTrackPath = currentMusicFiles[currentMusicIndex] ? currentMusicFiles[currentMusicIndex].path : null;
   
   reloadDirectory().then(() => {
     
@@ -436,7 +451,7 @@ document.getElementById('globalAudio').addEventListener('ended', () => {
   });
 });
 
-document.addEventListener("DOMContentLoaded", function() {
-  // Automatically reload every 5 minutes (300,000 milliseconds)
-  setInterval(reloadDirectory, 300000);
-});
\ No newline at end of file
+// document.addEventListener("DOMContentLoaded", function() {
+//   // Automatically reload every 5 minutes (300,000 milliseconds)
+//   setInterval(reloadDirectory, 300000);
+// });
\ No newline at end of file
diff --git a/templates/app.html b/templates/app.html
index 52ab32d..6e81a17 100644
--- a/templates/app.html
+++ b/templates/app.html
@@ -8,7 +8,7 @@
   <meta property="og:image" content="https://app.bethaus-speyer.de/static/icons/logo-200x200.png" />
   <meta property="og:url" content="https://app.bethaus-speyer.de" />
 
-  <title>Gottesdienste</title>
+  <title>{{ title_short }}</title>
   <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
   <meta name="description" content="... uns aber, die wir gerettet werden, ist es eine Gotteskraft.">
   <meta name="author" content="Bethaus Speyer">
@@ -38,7 +38,7 @@
     <a href="#">
       <img src="/static/logoW.png" alt="Logo" class="logo">
     </a>
-    <h1>Gottesdienste Speyer und Schwegenheim</h1>
+    <h1>{{ title_long }}</h1>
   </header>
   <div class="wrapper">
     <div class="container">
diff --git a/templates/connections.html b/templates/connections.html
index 68e1dd2..a41dc15 100644
--- a/templates/connections.html
+++ b/templates/connections.html
@@ -41,6 +41,9 @@
               <th>IP Address</th>
               <th>User Agent</th>
               <th>File Path</th>
+              <td>File Size</td>
+              <td>MIME-Typ</td>
+              <td>Cached</td>
             </tr>
           </thead>
           <tbody id="connectionsTableBody">
@@ -71,6 +74,9 @@
             <td>${record.ip_address}</td>
             <td>${record.user_agent}</td>
             <td>${record.full_path}</td>
+            <td>${record.filesize}</td>
+            <td>${record.mime_typ}</td>
+            <td>${record.cached}</td>
           `;
           tbody.appendChild(row);
         });
diff --git a/templates/dashboard.html b/templates/dashboard.html
index e5f0dff..375270a 100644
--- a/templates/dashboard.html
+++ b/templates/dashboard.html
@@ -58,7 +58,7 @@
         <div class="card text-white bg-warning">
           <div class="card-body">
             <h5 class="card-title">eindeutige Nutzer</h5>
-            <p class="card-text">{{ unique_ips }}</p>
+            <p class="card-text">{{ unique_user }}</p>
           </div>
         </div>
       </div>
@@ -75,12 +75,12 @@
           </div>
         </div>
       </div>
-      <!-- Top Files Accessed Chart -->
+      <!-- Timeframe Breakdown Chart (Bar Chart) -->
       <div class="col-md-6 mb-4">
         <div class="card">
           <div class="card-body">
-            <h5 class="card-title">Häufig geladene Dateien</h5>
-            <canvas id="topFilesChart"></canvas>
+            <h5 class="card-title">Downloads nach Zeit</h5>
+            <canvas id="timeframeChart"></canvas>
           </div>
         </div>
       </div>
@@ -93,12 +93,12 @@
           </div>
         </div>
       </div>
-      <!-- Referrer Distribution Chart -->
+      <!-- Folder Distribution Chart -->
       <div class="col-md-6 mb-4">
         <div class="card">
           <div class="card-body">
             <h5 class="card-title">Verteilung auf Ordner</h5>
-            <canvas id="referrerChart"></canvas>
+            <canvas id="folderChart"></canvas>
           </div>
         </div>
       </div>
@@ -151,8 +151,8 @@
           <tbody>
             {% for row in rows %}
             <tr>
-              <td>{{ row[0] }}</td>
-              <td>{{ row[1] }}</td>
+              <td>{{ row.rel_path }}</td>
+              <td>{{ row.access_count }}</td>
             </tr>
             {% else %}
             <tr>
@@ -171,11 +171,41 @@
   <script>
     // Data passed from the backend as JSON
     const dailyAccessData = {{ daily_access_data|tojson }};
-    const topFilesData = {{ top_files_data|tojson }};
-    // Note: user_agent_data now contains 'device' and 'count'
+    // Replace topFilesData usage with timeframeData for this chart
+    const timeframeData = {{ timeframe_data|tojson }};
     const userAgentData = {{ user_agent_data|tojson }};
-    const referrerData = {{ referrer_data|tojson }};
+    const folderData = {{ folder_data|tojson }};
 
+    // shift the labels to local time zone
+    const timeframe = "{{ timeframe }}"; // e.g., 'today', '7days', '30days', or '365days'
+    const shiftedLabels = timeframeData.map(item => {
+      if (timeframe === 'today') {
+        // For "today", the bucket is an hour in UTC (e.g., "14")
+        const utcHour = parseInt(item.bucket, 10);
+        const now = new Date();
+        // Create Date objects for the start and end of the hour in UTC
+        const utcStart = new Date(Date.UTC(now.getFullYear(), now.getMonth(), now.getDate(), utcHour));
+        const utcEnd = new Date(Date.UTC(now.getFullYear(), now.getMonth(), now.getDate(), utcHour + 1));
+        // Convert to local time strings, e.g., "16:00"
+        const localStart = utcStart.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
+        const localEnd = utcEnd.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
+        return `${localStart} - ${localEnd}`;
+      } else if (timeframe === '7days' || timeframe === '30days') {
+        // For these timeframes, the bucket is a date in the format "YYYY-MM-DD"
+        const utcDate = new Date(item.bucket + 'T00:00:00Z');
+        return utcDate.toLocaleDateString(); // Adjust formatting as needed
+      } else if (timeframe === '365days') {
+        // For this timeframe, the bucket is a month in the format "YYYY-MM"
+        const [year, month] = item.bucket.split('-');
+        const dateObj = new Date(year, month - 1, 1);
+        // Format to something like "Mar 2025"
+        return dateObj.toLocaleString([], { month: 'short', year: 'numeric' });
+      } else {
+        // Fallback: use the bucket value as-is
+        return item.bucket;
+      }
+    });
+    
     // Access Trend Chart - Line Chart
     const ctxTrend = document.getElementById('accessTrendChart').getContext('2d');
     new Chart(ctxTrend, {
@@ -199,25 +229,24 @@
       }
     });
 
-    // Top Files Chart - Horizontal Bar Chart
-    const ctxTopFiles = document.getElementById('topFilesChart').getContext('2d');
-    new Chart(ctxTopFiles, {
+    // Timeframe Breakdown Chart - Bar Chart (for "today" timeframe)
+    const ctxTimeframe = document.getElementById('timeframeChart').getContext('2d');
+    new Chart(ctxTimeframe, {
       type: 'bar',
       data: {
-        labels: topFilesData.map(item => item.full_path),
+        labels: shiftedLabels,
         datasets: [{
           label: 'Download Count',
-          data: topFilesData.map(item => item.access_count),
+          data: timeframeData.map(item => item.count),
           borderWidth: 1
         }]
       },
       options: {
-        indexAxis: 'y',
         responsive: true,
         plugins: { legend: { display: false } },
         scales: {
-          x: { title: { display: true, text: 'Download Count' } },
-          y: { title: { display: true, text: '' } }
+          x: { title: { display: true, text: 'Local Time Range' } },
+          y: { title: { display: true, text: 'Download Count' } }
         }
       }
     });
@@ -235,14 +264,14 @@
       options: { responsive: true }
     });
 
-    // Referrer Distribution - Pie Chart (with shortened referrers)
-    const ctxReferrer = document.getElementById('referrerChart').getContext('2d');
-    new Chart(ctxReferrer, {
+    // folder Distribution - Pie Chart (with shortened folders)
+    const ctxfolder = document.getElementById('folderChart').getContext('2d');
+    new Chart(ctxfolder, {
       type: 'pie',
       data: {
-        labels: referrerData.map(item => item.referrer),
+        labels: folderData.map(item => item.folder),
         datasets: [{
-          data: referrerData.map(item => item.count)
+          data: folderData.map(item => item.count)
         }]
       },
       options: { responsive: true }
diff --git a/transforme_sql.py b/transforme_sql.py
new file mode 100644
index 0000000..1ef9f9a
--- /dev/null
+++ b/transforme_sql.py
@@ -0,0 +1,42 @@
+import sqlite3
+
+def transform_database(db_path):
+    # Connect to the SQLite database
+    conn = sqlite3.connect(db_path)
+    cursor = conn.cursor()
+
+    # 1. Create the new table with the desired schema.
+    cursor.execute('''
+        CREATE TABLE IF NOT EXISTS file_access_log_new (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            timestamp TEXT,
+            rel_path TEXT,
+            ip_address TEXT,
+            user_agent TEXT,
+            device_id TEXT
+        )
+    ''')
+
+    # 2. Copy data from the old table, applying the following transformations:
+    #    - Rename full_path to rel_path and remove '/mnt/' from its entries.
+    #    - Omit the referrer column.
+    #    - Copy ip_address into the new device_id column.
+    cursor.execute('''
+        INSERT INTO file_access_log_new (id, timestamp, rel_path, ip_address, user_agent, device_id)
+        SELECT id, timestamp, REPLACE(full_path, '/mnt/', ''), ip_address, user_agent, ip_address
+        FROM file_access_log
+    ''')
+
+    # 3. Drop the old table.
+    cursor.execute('DROP TABLE file_access_log')
+
+    # 4. Rename the new table to use the original table's name.
+    cursor.execute('ALTER TABLE file_access_log_new RENAME TO file_access_log')
+
+    # Commit the changes and close the connection.
+    conn.commit()
+    conn.close()
+
+if __name__ == "__main__":
+    # Replace 'your_database.db' with the path to your SQLite database file.
+    transform_database("access_log.db")