docker-compose-replication.yml

version: '2'

services:
  postgresql-master:
    image: 'docker.io/bitnami/postgresql:11-debian-10'
    ports:
      - '5432'
    volumes:
      - 'postgresql_master_data:/bitnami/postgresql'
    environment:
      - POSTGRESQL_REPLICATION_MODE=master
      - POSTGRESQL_REPLICATION_USER=repl_user
      - POSTGRESQL_REPLICATION_PASSWORD=repl_password
      - POSTGRESQL_USERNAME=postgres
      - POSTGRESQL_PASSWORD=my_password
      - POSTGRESQL_DATABASE=my_database
      - ALLOW_EMPTY_PASSWORD=yes
  postgresql-slave:
    image: 'docker.io/bitnami/postgresql:11-debian-10'
    ports:
      - '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_PASSWORD=my_password
      - POSTGRESQL_MASTER_PORT_NUMBER=5432
      - ALLOW_EMPTY_PASSWORD=yes

volumes:
  postgresql_master_data:
    driver: local