daemon off;
worker_processes auto;
pid /run/nginx.pid;
error_log stderr;

events {
    worker_connections 1024;
}

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;

    access_log /dev/stdout;
    error_log stderr;

    sendfile on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    client_max_body_size 50M;

    # Gzip compression
    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/xml application/json application/javascript application/xml application/xml+rss text/javascript application/x-javascript image/svg+xml;

    upstream blinko {
        server 127.0.0.1:1111;
        keepalive 32;
    }

    server {
        listen 8000;
        server_name _;

        # Health check endpoint
        location /health {
            access_log off;
            return 200 'OK';
            add_header Content-Type text/plain;
        }

        # Proxy all requests to Blinko
        location / {
            proxy_pass http://blinko;
            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 X-Forwarded-Host $host;

            # WebSocket support
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";

            proxy_buffering off;
            proxy_cache off;

            # Timeouts for long-running requests
            proxy_connect_timeout 60s;
            proxy_send_timeout 300s;
            proxy_read_timeout 300s;
        }

        # Static files with caching
        location /_next/static/ {
            proxy_pass http://blinko;
            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;

            expires 7d;
            add_header Cache-Control "public, immutable";
        }
    }
}