nats-example/docker-compose.yml

services:
  nats:
    # docker run -p 4222:4222 -ti nats:latest --auth s3cr3t
    image: nats:latest
    container_name: nats
    command: "--auth s3cr3t"
    ports:
      - 4222:4222

  server:
    build:
      context: .
      dockerfile: Dockerfile.server
    container_name: server
    depends_on:
      - nats
    environment:
      - NATS_SERVER=nats://nats:4222
      - NATS_AUTH_TOKEN=s3cr3t

  client:
    build:
      context: .
      dockerfile: Dockerfile.client
    container_name: client
    tty: true
    stdin_open: true
    depends_on:
      - nats
    environment:
      - NATS_SERVER=nats://nats:4222
      - NATS_AUTH_TOKEN=s3cr3t