fix blocking behavior

app.py

@@ -1,3 +1,5 @@
+import eventlet
+eventlet.monkey_patch()
 from flask import Flask, render_template, send_file, url_for, jsonify, request, session, send_from_directory, make_response, abort
 import os
 from PIL import Image, ImageOps
@@ -256,13 +258,15 @@ def serve_file(subpath):
     mime, _ = mimetypes.guess_type(full_path)
     mime = mime or 'application/octet-stream'
     is_cache_request = request.headers.get('X-Cache-Request') == 'true'
+    is_audio_get     = mime.startswith('audio/') and request.method == 'GET'
     ip_address = request.remote_addr
     user_agent = request.headers.get('User-Agent')
 
     # skip logging on cache hits or on audio GETs (per your rules)
-    do_log = not is_cache_request
-    if mime == 'audio/mpeg' and request.method != 'HEAD':
-        do_log = False
+    do_log = (
+        not is_cache_request    # skip if upstream CDN asked us to cache
+        and not is_audio_get    # skip audio GETs
+    )
 
     # 3) Pick cache
     if mime.startswith('audio/'):

docker-compose.yml

@@ -40,7 +40,7 @@ services:
     # Production-ready Gunicorn command with eventlet
     command: >
       sh -c "pip install -r requirements.txt &&
-            gunicorn --worker-class eventlet -w 4 -b 0.0.0.0:5000 app:app"
+            gunicorn --worker-class eventlet -w 1 -b 0.0.0.0:5000 app:app"
 
 
 networks: