nginx.conf

server {
    listen 10100;
    server_name localhost;
    client_max_body_size 20m;

    # Add timeout settings to prevent 504 Gateway Timeout for long-running AI tasks
    proxy_connect_timeout 300s;
    send_timeout 300s;
    
    root /usr/share/nginx/html;
    index index.html;

    # Enable gzip compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
    gzip_vary on;

    # Handle React Router - serve index.html for all routes
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Proxy API calls to backend on same host (both using host network)
    location /api/ {
        proxy_pass http://127.0.0.1:10101/;
        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_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 300s;
        # Required for SSE: disable response buffering so events arrive
        # incrementally instead of being flushed only at connection close.
        proxy_buffering off;
        proxy_cache off;
    }
    location /lightrag/ {
        proxy_pass http://192.168.1.35:9621/;
        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_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_read_timeout 300s;
    }

    # Proxy uploads to backend (for static file serving)
    location /uploads/ {
        proxy_pass http://127.0.0.1:10101/uploads/;
        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;
        # Enable caching for uploaded images
        expires 1y;
        add_header Cache-Control "public, immutable";
    }

    # bundle.js has no content hash — must not use immutable caching
    location = /bundle.js {
        try_files $uri =404;
        add_header Cache-Control "no-cache, must-revalidate";
    }

    # Cache static assets (but not uploads - those are proxied)
    # Content-hashed assets (images, fonts, etc.) are safe to cache immutably
    location ~* ^/(?!uploads/).*\.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }
}