Nginx Reverse Proxy

Nginx Reverse Proxy

# nginx.conf
http {
  upstream backend { server api:3000; }
  server {
    listen 80;
    location / {
      root /usr/share/nginx/html;
      try_files $uri $uri/ /index.html;
    }
    location /api/ {
      proxy_pass http://backend/;
      proxy_set_header Host $host;
    }
  }
}

# docker-compose.yml
services:
  nginx:
    image: nginx:alpine
    ports: ["80:80"]
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
    depends_on: [api]
  api:
    build: ./api
    expose: ["3000"]  # internal only