version: "3.9"

services:
  master:
    image: postgres:13.3
    restart: always
    environment:
      POSTGRES_PASSWORD: password
      POSTGRES_DB: data_service
    volumes:
      - ./master.conf:/etc/postgresql/postgresql.conf
      - ./pg_hba.conf:/etc/postgresql/pg_hba.conf
      - ./setup-master.sh:/docker-entrypoint-initdb.d/init-user-db.sh
    ports:
      - "5432:5432"
    command:
      - "postgres"
      - "-c"
      - "config_file=/etc/postgresql/postgresql.conf"

  slave:
    image: postgres:13.3
    restart: always
    environment:
      POSTGRES_PASSWORD: password
      POSTGRES_DB: data_service
    volumes:
      - ./slave.conf:/etc/postgresql/postgresql.conf
      - ./pg_hba.conf:/etc/postgresql/pg_hba.conf
      - ./setup-slave.sh:/docker-entrypoint-initdb.d/init-user-db.sh
    ports:
      - "54321:5432"
    command:
      - "postgres"
      - "-c"
      - "config_file=/etc/postgresql/postgresql.conf"