upstream django_backend {
    server web:8000;
}

server {
    listen 80;
    server_name localhost;
    client_max_body_size 100M;

    # Gzip compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript image/svg+xml;

    # Static files
    location /static/ {
        alias /usr/src/app/staticfiles/;
        expires 30d;
        add_header Cache-Control "public, no-transform";
    }

    # Media files
    location /media/ {
        alias /usr/src/app/media/;
        expires 7d;
        add_header Cache-Control "public, no-transform";
    }

    # Django application proxy
    location / {
        proxy_pass http://django_backend;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $host;
        proxy_redirect off;
    }
}