backup

nginx/Dockerfile

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+FROM nginx:1.25-alpine
+
+# Copy custom nginx configuration
+COPY nginx.conf /etc/nginx/nginx.conf
+
+# Expose port
+EXPOSE 12010
+
+# Start nginx
+CMD ["nginx", "-g", "daemon off;"]

nginx/nginx.conf

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+user  nginx;
+worker_processes  auto;
+
+events {
+  worker_connections  1024;
+  multi_accept on;
+}
+
+http {
+  include       /etc/nginx/mime.types;
+  default_type  application/octet-stream;
+
+  sendfile        on;
+  tcp_nopush      on;
+  tcp_nodelay     on;
+  keepalive_timeout  65;
+  types_hash_max_size 4096;
+
+  gzip on;
+  gzip_comp_level 5;
+  gzip_min_length 1024;
+  gzip_proxied any;
+  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml;
+
+  upstream app_backend {
+    server translator-app:12010 max_fails=3 fail_timeout=10s;
+    keepalive 64;
+  }
+
+  server {
+    listen 12010;
+    server_name _;
+
+    # Adjust for document uploads (can be large)
+    client_max_body_size 500m;
+
+    # Proxy API requests to Flask/Gunicorn
+    location /api/ {
+      proxy_pass http://app_backend;
+      proxy_http_version 1.1;
+      proxy_set_header Host $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;
+      proxy_read_timeout 600s;  # Longer timeout for translation processing
+      proxy_send_timeout 600s;
+      proxy_connect_timeout 10s;
+      proxy_buffering off;  # Disable buffering for real-time progress
+    }
+
+    # All other routes (frontend SPA and static) via backend
+    location / {
+      proxy_pass http://app_backend;
+      proxy_http_version 1.1;
+      proxy_set_header Host $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;
+      proxy_read_timeout 120s;
+      proxy_send_timeout 120s;
+      proxy_connect_timeout 5s;
+      proxy_buffering on;
+      proxy_buffers 32 32k;
+      proxy_busy_buffers_size 64k;
+    }
+  }
+}