events {
    worker_connections 1024;
}

http {
    upstream backend {
        server backend:3001;
    }

    upstream frontend {
        server frontend:80;
    }

    server {
        listen 80;

        # Frontend (default)
        location / {
            proxy_pass http://frontend;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;

            # Required for Vite HMR (hot reload) if in dev mode
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
        }

        # Backend API
        location /api/ {
            proxy_pass http://backend;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
    }
}