docker-compose-db.yaml

services:

  postgres:
    container_name: postgres-master
    image: postgres:16.2
    environment:
      - POSTGRES_USER=${DATABASE_USERNAME}
      - POSTGRES_PASSWORD=${DATABASE_PASSWORD}
    volumes:
      - pg-volume:/var/lib/postgresql/data
    ports:
      - "5432:5432"
    networks:
      medium-articles-api-network:
        ipv4_address: ${DABASE_HOST}

  replica:
    container_name: postgres-replica
    image: postgres:16.2
    environment:
      - POSTGRES_USER=${REPLICA_USERNAME}
      - POSTGRES_PASSWORD=${REPLICA_PASSWORD}
    volumes:
      - re-volume:/var/lib/postgresql/data
    ports:
      - "5433:5432"
    networks:
      medium-articles-api-network:
        ipv4_address: ${REPLICA_HOST}
    depends_on:
      - postgres

  redis:
    container_name: redis-cache
    image: redis:7.2.4
    volumes:
      - redis-volume:/data
    ports:
      - "6379:6379"
    networks:
      medium-articles-api-network:
        ipv4_address: ${REDIS_HOST}

volumes:
  pg-volume:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: ${VOLUME_POSTGRES}
  re-volume:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: ${VOLUME_REPLICA}
  redis-volume:
    driver: local
    driver_opts:
      type: none
      o: bind
      device: ${VOLUME_REDIS}

networks:
  medium-articles-api-network:
    driver: bridge
    ipam:
      config:
        - subnet: ${SUBNET_CIDR}
          gateway: ${GATEWAY_HOST}