docker-compose with postgres and pgbouncer

docker-compose.yaml

services:
  postgres:
    image: postgres
    restart: always
    environment:
      POSTGRES_PASSWORD: PASsWORD
    volumes:
    - ./pg_data:/var/lib/postgresql/data
    ports:
    - "5432:5432"
  pgbouncer:
    image: brainsam/pgbouncer
    environment:
    - DB_HOST=postgres
    - DB_USER=postgres
    - DB_PASSWORD=PASsWORD
    ports:
    - "6432:6432"