server {
    listen 80;
    listen [::]:80;
    server_name staging.letsbe.biz;

    # Certbot will add SSL config after: sudo certbot --nginx -d staging.letsbe.biz

    location / {
        proxy_pass http://127.0.0.1:3847;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        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_cache_bypass $http_upgrade;
        proxy_read_timeout 86400;
    }

    # Static assets — long cache
    location /_next/static/ {
        proxy_pass http://127.0.0.1:3847;
        proxy_cache_valid 200 365d;
        add_header Cache-Control "public, max-age=31536000, immutable";
    }

    # Public assets
    location /images/ {
        proxy_pass http://127.0.0.1:3847;
        proxy_cache_valid 200 30d;
        add_header Cache-Control "public, max-age=2592000";
    }

    # Payload media uploads
    location /media/ {
        proxy_pass http://127.0.0.1:3847;
        proxy_cache_valid 200 30d;
        add_header Cache-Control "public, max-age=2592000";
    }

    # Security headers
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;

    client_max_body_size 50M;
}