docker-compose.yaml

services:
  postgresql-master:
    image: 'bitnami/postgresql:latest'
    ports:
      - '5432:5432'
    volumes:
      - 'postgresql_master_data:/bitnami/postgresql'
    environment:
      - POSTGRESQL_PGAUDIT_LOG=READ,WRITE
      - POSTGRESQL_LOG_HOSTNAME=TRUE
      - POSTGRESQL_REPLICATION_MODE=master
      - POSTGRESQL_REPLICATION_USER=repl_user
      - POSTGRESQL_REPLICATION_PASSWORD=repl_password
      - POSTGRESQL_USERNAME=postgres_write
      - POSTGRESQL_PASSWORD=postgres_write
      - POSTGRESQL_DATABASE=my_database
  postgresql-slave:
    image: 'bitnami/postgresql:latest'
    ports:
      - '15432:5432'
    depends_on:
      - postgresql-master
    environment:
      - POSTGRESQL_REPLICATION_MODE=slave
      - POSTGRESQL_REPLICATION_USER=repl_user
      - POSTGRESQL_REPLICATION_PASSWORD=repl_password
      - POSTGRESQL_MASTER_HOST=postgresql-master
      - POSTGRESQL_USERNAME=postgres_write
      - POSTGRESQL_PASSWORD=postgres_write
      - POSTGRESQL_MASTER_PORT_NUMBER=5432
      - POSTGRESQL_PGAUDIT_LOG=READ,WRITE
      - POSTGRESQL_LOG_HOSTNAME=TRUE

  pgadmin4:
    image: dpage/pgadmin4
    ports:
      - "5050:80"
    depends_on:
      - postgresql-master
    environment:
      - PGADMIN_DEFAULT_EMAIL=pgadmin4@pgadmin.org
      - PGADMIN_DEFAULT_PASSWORD=admin

volumes:
  postgresql_master_data:
    driver: local