version: '3.7'
services:
  db:
    image: postgres:11
    container_name: postgres_db
    ports:
      - "5432:5432"
    volumes:
      - ./db:/var/lib/postgresql/data/pgdata
      - ./logs:/var/lib/postgresql/data/logs
    environment:
      POSTGRES_USER: db_admin
      POSTGRES_PASSWORD: secret
      PGDATA: /var/lib/postgresql/data/pgdata
      POSTGRES_DB: db
      POSTGRES_INITDB_WALDIR: /var/lib/postgresql/data/logs