docker-compose.yml

services:
  app1:
    container_name: app
    build: .
    volumes:
      - ./app1:/app
      - $GOPATH/pkg/mod/cache:/go/pkg/mod/cache
    working_dir: /app
    depends_on:
      - zookeeper
      - kafka
      - googlecloud
    environment:
      PUBSUB_EMULATOR_HOST: googlecloud:8085
    ports:
      - 8080:8080
      - 8081:8081

  zookeeper:
    container_name: zk
    attach: false
    image: confluentinc/cp-zookeeper:7.7.1
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    ports:
      - 2181:2181

  kafka:
    container_name: kafka
    attach: false
    image: confluentinc/cp-kafka:7.7.1
    depends_on:
      - zookeeper
    ports:
      - 9093:9093
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zk:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092,PLAINTEXT_HOST://localhost:9093
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1

  googlecloud:
    container_name: gcpps
    attach: false
    image: google/cloud-sdk:498.0.0
    entrypoint: gcloud --quiet beta emulators pubsub start --host-port=0.0.0.0:8085 --verbosity=debug --log-http
    ports:
      - 8085:8085
    restart: unless-stopped