Fix proxy configuration for nginx deployment

- Disable WebSocket HMR to prevent SSL WebSocket errors
- Add MIME type headers middleware for /_nuxt/ assets
- Create nginx proxy configuration template
- Add client-side proxy headers plugin
- Update Nuxt configuration for proxy compatibility
- Add comprehensive proxy setup documentation

Resolves WebSocket SSL errors and MIME type issues when running behind nginx proxy.

nginx-proxy-config.txt

@@ -0,0 +1,75 @@
+# CONFIGURACIÓN MEJORADA DE NGINX PROXY MANAGER
+# Copia y pega esta configuración en la sección "Custom Nginx Configuration" 
+# de tu proxy en Nginx Proxy Manager
+
+client_max_body_size 100M;
+
+# Configuración específica para archivos de Nuxt (_nuxt/)
+location /_nuxt/ {
+    proxy_pass http://192.168.87.135:3000;
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    
+    # Headers específicos para assets de Nuxt
+    proxy_set_header Accept-Encoding gzip;
+    
+    # Cache para assets estáticos
+    proxy_cache_valid 200 1h;
+    proxy_cache_bypass $http_pragma;
+    proxy_cache_revalidate on;
+    
+    # NO usar upgrade headers para assets estáticos
+    proxy_http_version 1.1;
+}
+
+# Configuración para APIs
+location /api/ {
+    proxy_pass http://192.168.87.135:3000;
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    
+    # Headers específicos para APIs
+    proxy_set_header Content-Type application/json;
+    proxy_set_header Accept application/json;
+    
+    # Timeouts más largos para archivos de música
+    proxy_connect_timeout 60s;
+    proxy_send_timeout 60s;
+    proxy_read_timeout 60s;
+    
+    # Buffer settings para streaming de archivos grandes
+    proxy_buffering off;
+    proxy_request_buffering off;
+    
+    proxy_http_version 1.1;
+}
+
+# Configuración general para el resto
+location / {
+    proxy_pass http://192.168.87.135:3000;
+    proxy_set_header Host $http_host;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    
+    # NO incluir headers de WebSocket para evitar errores SSL
+    proxy_http_version 1.1;
+    
+    # Timeouts
+    proxy_connect_timeout 30s;
+    proxy_send_timeout 30s;
+    proxy_read_timeout 30s;
+}
+
+# Headers de seguridad adicionales
+add_header X-Frame-Options DENY;
+add_header X-Content-Type-Options nosniff;
+add_header X-XSS-Protection "1; mode=block";
+
+# Logging para debugging (opcional)
+access_log /var/log/nginx/musica_access.log;
+error_log /var/log/nginx/musica_error.log warn;