events {
  worker_connections 1024;
}

http {
  include /etc/nginx/mime.types;
  default_type application/octet-stream;
  sendfile on;
  keepalive_timeout 65;

  upstream frontend {
    server localhost:3000;
  }

  upstream backend {
    server localhost:3001;
  }

  server {
    listen 80;
    server_name _;

    # Backend API
    location /api-backend/ {
      rewrite ^/api-backend/(.*) /$1 break;
      proxy_pass http://backend;
      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;
      client_max_body_size 10M;
    }

    # Frontend (Next.js)
    location / {
      proxy_pass http://frontend;
      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;
    }
  }
}