events {
    worker_connections 1024;
}

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 2048;

    gzip on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_types text/plain text/css text/xml application/json application/javascript application/rss+xml application/atom+xml image/svg+xml;

    upstream nextjs_upstream {
        server 127.0.0.1:3000;
    }

    server {
        listen 80;
        server_name localhost;

        # Serve Next.js compiled static assets directly via Nginx
        location /_next/static/ {
            alias /app/.next/static/;
            expires 365d;
            access_log off;
            add_header Cache-Control "public, max-age=31536000, immutable";
        }

        # Serve public directory assets
        location /public/ {
            alias /app/public/;
            expires 30d;
            access_log off;
        }

        # Reverse proxy dynamic routes, SSR, and API routes to Next.js standalone server
        location / {
            proxy_pass http://nextjs_upstream;
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection 'upgrade';
            proxy_set_header Host $host;
            proxy_cache_bypass $http_upgrade;
            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;
        }
    }
}