server {
    listen 80;
    root /usr/share/nginx/html;
    index index.html;

    location /api/ {
        proxy_pass http://server:3000;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    location /mcp/ {
        proxy_pass http://mcp:3001;
        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_http_version 1.1;
        proxy_set_header Connection '';
        proxy_buffering off;
        proxy_cache off;
    }

    location /docs/ {
        proxy_pass http://docs:80/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    # Hashed build artifacts are safe to cache forever
    location /assets/ {
        add_header Cache-Control "public, max-age=31536000, immutable";
        try_files $uri =404;
    }

    location / {
        # index.html must always revalidate, or browsers keep a stale
        # bundle reference after each deploy (heuristic caching)
        add_header Cache-Control "no-cache";
        try_files $uri $uri/ /index.html;
    }
}