Docker Compose Config for Inter Container AND Host Communication

gistfile1.txt

services:
  api:
    image: <image>
    ports:
      - 8080:8080
    depends_on:
      keycloak:
        condition: service_healthy
    networks:
      - my-net

  postgres:
    image: postgres
    environment:
      POSTGRES_PASSWORD: root
      POSTGRES_USER: postgres
    ports:
      - 5432:5432
    volumes:
      - ./init-db.sql:/docker-entrypoint-initdb.d/init-db.sql
    networks:
      - my-net

  keycloak:
    image: quay.io/keycloak/keycloak:latest
    volumes:
      - keycloak:/opt/keycloak/data
      - ./master-realm.json:/opt/keycloak/realm-export.json
      - ./keycloak_config/js-policies/target/js-policies.jar:/opt/keycloak/providers/js-policies.jar
      - ./realm-export-bo.json:/opt/keycloak/realm-export-bo.json
      - ./realm-export-front.json:/opt/keycloak/realm-export-front.json
    ports:
      - 9900:9900
      - 8787:8787
    environment:
      KEYCLOAK_ADMIN: admin
      KEYCLOAK_ADMIN_PASSWORD: admin
      KEYCLOAK_LOGLEVEL: DEBUG
      DEBUG: true
      DEBUG_PORT: '*:8787'
    entrypoint: sh
    command:
      - -c
      - |
        /opt/keycloak/bin/kc.sh import --file /opt/keycloak/realm-export.json &&
        /opt/keycloak/bin/kc.sh import --file /opt/keycloak/realm-export-bo.json &&
        /opt/keycloak/bin/kc.sh import --file /opt/keycloak/realm-export-front.json &&
        /opt/keycloak/bin/kc.sh start-dev --http-port=9900 #--log-level=DEBUG
    healthcheck:
      test: [ "CMD", "curl", "-f", "http://localhost:9900" ]
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 40s
    networks:
      - my-net

  redis:
    profiles:
      - redis
    image: redis
    ports:
      - 6379:6379
    volumes:
      - ./redis-conf/:/usr/local/etc/redis
    command:
      - redis-server
      - /usr/local/etc/redis/redis.conf
    networks:
      - my-net

  redis_gui:
    profiles:
      - redis
    image: redislabs/redisinsight
    ports:
      - 8001:8001
    networks:
      - my-net

volumes:
  keycloak:

networks:
  my-net:
    ipam:
      config:
        - subnet: 172.28.0.0/16
          ip_range: 172.28.0.2/16