Add Caddy server configuration for domain markov.elpatron.me with Let's Encrypt SSL and WebSocket support. Includes: - Caddy service in docker-compose.yml - Caddyfile with SSL and WebSocket configuration - Enhanced Flask app for proxy compatibility - Documentation files (CADDY.md, updated README.md)

app/__init__.py

@@ -21,7 +21,10 @@ socketio = SocketIO(
     transports=['websocket', 'polling'],
     # Ping settings for better connection detection
     ping_timeout=60,
-    ping_interval=25
+    ping_interval=25,
+    # Proxy compatibility settings
+    allow_upgrades=True,
+    upgrade_timeout=30
 )
 
 # Global simulation manager instance
@@ -44,6 +47,10 @@ def create_app(config_name=None):
     app = Flask(__name__)
     app.config.from_object(config[config_name])
     
+    # Configure for reverse proxy
+    from werkzeug.middleware.proxy_fix import ProxyFix
+    app.wsgi_app = ProxyFix(app.wsgi_app, x_for=1, x_proto=1, x_host=1, x_prefix=1)
+    
     # Initialize extensions with proxy-friendly settings
     socketio.init_app(
         app, 
@@ -52,7 +59,9 @@ def create_app(config_name=None):
         allow_upgrades=True,
         transports=['websocket', 'polling'],
         ping_timeout=60,
-        ping_interval=25
+        ping_interval=25,
+        upgrade_timeout=30,
+        manage_session=False  # Important for proxy compatibility
     )
     
     # Register blueprints