docker-compose.yaml

version: "3.9"
services:
  # benthos setup
  benthos:
    image: jeffail/benthos
    volumes:
      - "./configs/benthos.config.yaml:/benthos.yaml"
    ports:
      - "4195:4195"

  # two nats clusters
  nats-1:
    container_name: nats-cluster-n1
    image: nats:latest
    entrypoint: /nats-server
    ports:
      - "4222:4222"
    command: --name n1 --cluster_name NATS1 --js --sd /data -p 4222
  nats-2:
    container_name: nats-cluster-n2
    image: nats:latest
    entrypoint: /nats-server
    ports:
      - "4223:4222"
    command: --name n2 --cluster_name NATS2 --js --sd /data -p 4222

  # bootstrap container
  bootstrap:
    build:
      context: .
      dockerfile: build/Dockerfile
    volumes:
      - "./configs/example.config.yaml:bin/config.yaml"
    command: --service boot --config config.yaml

  # consumers on nats-1 and nats-2
  consumer-n1:
    depends_on:
      - bootstrap
    build:
      context: .
      dockerfile: build/Dockerfile
    volumes:
      - "./configs/example.config.yaml:bin/config.yaml"
    command: --service consumer --config config.yaml --nats nats://nats-1:4222
  consumer-n2:
    depends_on:
      - bootstrap
    build:
      context: .
      dockerfile: build/Dockerfile
    volumes:
      - "./configs/example.config.yaml:bin/config.yaml"
    command: --service consumer --config config.yaml --nats nats://nats-2:4222

  # a publisher on nats1
  provider-n1:
    depends_on:
      - consumer-n1
      - consumer-n2
    build:
      context: .
      dockerfile: build/Dockerfile
    volumes:
      - "./configs/example.config.yaml:bin/config.yaml"
    command: --service provider --config config.yaml --nats nats://nats-1:4222