docker-compose.yml

# TODO: add testing, preferably via profiles (https://docs.docker.com/compose/how-tos/profiles/)
services:
  podinfo:
    develop:
      watch:
        - action: rebuild
          path: ./src
        - action: sync+restart
          path: ./proxy/nginx.conf
          target: /etc/nginx/conf.d/default.conf
    build:
      context: .
      dockerfile: Dockerfile
    # CI/CD uses sha tags, but for local development we can just use latest
    image: podinfo-js:latest
    container_name: podinfo-js
    depends_on:
      redis:
        condition: service_healthy
        restart: true
    restart: unless-stopped
    ports:
      - "3000:3000"
    environment:
      PORT: 3000
      HOST: 0.0.0.0
      LOG_LEVEL: info
      MESSAGE: "greetings from podinfo-node"
      APP_VERSION: "0.1.0"
      SECRETS_DIR: /etc/secrets
      REDIS_ENABLED: 'true'
      REDIS_HOST: redis
      REDIS_PORT: 6379
    # Simple way to provide secrets, can dynamically add secrets by adding files to ./secrets dir
    volumes:
      - type: bind
        source: ./secrets
        target: /etc/secrets
        read_only: true

    healthcheck:
      test:
        [
          "CMD",
          "node",
          "-e",
          "fetch('http://localhost:3000/healthz').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))",
        ]
      interval: 30s
      timeout: 5s
      retries: 3
      start_period: 10s
  redis:
    image: redis:latest
    container_name: redis
    ports:
      - '6379:6379'
    # environment:
    #     - REDIS_ARGS=--requirepass <password> --appendonly yes
    restart: unless-stopped
    healthcheck:
      test: ["CMD","redis-cli", "ping"]
      interval: 1m30s
      timeout: 30s
      retries: 5
      start_period: 30s

# Alternative way to provide secrets, can't dynamically add secrets by plopping files in ./secrets dir
# secrets:
#   - db-password
#   - api-key
# secrets:
#   db-password:
#     file: ./secrets/db-password
#   api-key:
#     file: ./secrets/api-key