docker-compose-test-with-dockerfile.yml

# Docker Compose configuration for DreamRoute testing with custom Dockerfile
# This configuration builds and runs tests using a custom test-specific Dockerfile
# which allows for more control over the test environment and dependencies

services:
  # Test service using custom Dockerfile
  dreamroute-test:
    # Build configuration for custom test image
    build:
      context: . # Build context is current directory
      dockerfile: Dockerfile-test # Use custom test Dockerfile

    # Custom container name for easier identification
    container_name: dreamroute-test

    # Environment variables passed to the SpringBoot application
    environment:
      - SPRING_PROFILES_ACTIVE=docker # Activates Docker-specific configuration profile
      - SERVER_PORT=8080 # Sets the server port inside container
      - DB_URL=jdbc:mysql://dreamroute-test-db:3306/dreamroute # Database connection URL using service name
      - DB_USERNAME=dreamroute # Database username
      - DB_PASSWORD=dreamroute123 # Database password

    # Restart policy - never restart (single-run test container)
    restart: no

    # Service dependencies - ensures database is healthy before starting app
    depends_on:
      dreamroute-test-db:
        condition: service_healthy # Wait for DB health check to pass

    # Health check configuration for the SpringBoot application
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8080/health"] # Health check command
      interval: 30s # Check every 30 seconds
      timeout: 10s # Timeout after 10 seconds
      retries: 3 # Retry 3 times before marking as unhealthy
      start_period: 60s # Wait 60 seconds before starting health checks

    # Connect to custom network
    networks:
      - dreamroute-network

  # MySQL database service for testing
  dreamroute-test-db:
    # Use official MySQL 8.0 image from Docker Hub
    image: mysql:8.0

    # Custom container name for easier identification
    container_name: dreamroute-test-db

    # MySQL environment variables for database initialization
    environment:
      MYSQL_DATABASE: dreamroute # Creates database named 'dreamroute'
      MYSQL_USER: dreamroute # Creates user 'dreamroute'
      MYSQL_PASSWORD: dreamroute123 # Sets password for 'dreamroute' user
      MYSQL_ROOT_PASSWORD: root123 # Sets root user password

    # Restart policy - never restart (single-run test container)
    # No external port mapping - database only accessible from within the network
    restart: no

    # Health check configuration for MySQL database
    healthcheck:
      test: [
          "CMD",
          "mysqladmin", # MySQL admin utility
          "ping", # Ping command to check if MySQL is responding
          "-h",
          "localhost", # Connect to localhost
          "-u",
          "dreamroute", # Use dreamroute user for health check
          "-pdreamroute123", # Password for dreamroute user
        ]
      interval: 10s # Check every 10 seconds
      timeout: 5s # Timeout after 5 seconds
      retries: 5 # Retry 5 times before marking as unhealthy
      start_period: 30s # Wait 30 seconds before starting health checks

    # Connect to custom network
    networks:
      - dreamroute-network

# Network configuration
networks:
  dreamroute-network:
    driver: bridge # Use bridge driver for container-to-container communication