docker-compose.yml

# Docker Compose file for Vapor
#
# Install Docker on your system to run and test
# your Vapor app in a production-like environment.
#
# Note: This file is intended for testing and does not
# implement best practices for a production deployment.
#
# Learn more: https://docs.docker.com/compose/reference/
#
#   Build images: docker-compose build
#      Start app: docker-compose up app
# Start database: docker-compose up db
# Run migrations: docker-compose run migrate
#       Stop all: docker-compose down (add -v to wipe db)
#
version: '3.7'

volumes:
  myapp_data:
  myapp_test_data:
  
x-db_environment: &db_environment
  PGDATA: /var/lib/postgresql/data/pgdata
  POSTGRES_USER: postgres
  POSTGRES_PASSWORD: vapor_password
  POSTGRES_DB: myapp_database
  
x-db_test_environment: &db_test_environment
  PGDATA: /var/lib/postgresql/data/pgdata
  POSTGRES_USER: postgres
  POSTGRES_PASSWORD: vapor_password
  POSTGRES_DB: myapp_database_test

x-shared_environment: &shared_environment
  DATABASE_USER: postgres
  DATABASE_PASSWORD: vapor_password
  DATABASE_NAME: myapp_database
  DATABASE_HOST: myapp_database
  DATABASE_PORT: 5432
  LOG_LEVEL: ${LOG_LEVEL:-debug}

services:
  app:
    image: myapp-server:latest
    build:
      context: .
    environment:
      <<: *shared_environment
    env_file: .env.production
    depends_on:
      myapp_database:
        condition: service_healthy
      myapp_database_test:
        condition: service_healthy
    restart: always
    ports:
      - '8443:8443'
    # user: '0' # uncomment to run as root for testing purposes even though Dockerfile defines 'vapor' user.
    command:
      [
        "serve",
        "--env",
        "production",
        "--hostname",
        "0.0.0.0",
        "--port",
        "8443"
      ]
  migrate:
    image: myapp-server:latest
    build:
      context: .
    environment:
      <<: *shared_environment
    depends_on:
      - myapp_database
    command: ["migrate", "--yes"]
    deploy:
      replicas: 0
  revert:
    image: myapp-server:latest
    build:
      context: .
    environment:
      <<: *shared_environment
    depends_on:
      - myapp_database
    command: ["migrate", "--revert", "--yes"]
    deploy:
      replicas: 0
  myapp_database:
    image: postgres:14-alpine
    volumes:
      - myapp_data:/var/lib/postgresql/data/pgdata
    environment:
      <<: *db_environment
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5
    ports:
      - '5432:5432'
  myapp_database_test:
    image: postgres:14-alpine
    volumes:
      - myapp_test_data:/var/lib/postgresql/data/pgdata_test
    environment:
      <<: *db_test_environment
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5
    ports:
      - '5433:5432'
  ngrok:
    image: ngrok/ngrok:latest
    restart: unless-stopped
    command:
      - "start"
      - "--all"
      - "--config"
      - "/etc/ngrok.yml"
    volumes:
      - ./ngrok.yml:/etc/ngrok.yml
    ports:
      - 4040:4040