docker-compose.yml

version: '3.8'

services:
  postgres:
    image: postgres:15
    container_name: vault-postgres
    environment:
      POSTGRES_DB: vault_db
      POSTGRES_USER: vault_admin
      POSTGRES_PASSWORD: secure_password_123
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./schemas:/docker-entrypoint-initdb.d
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U vault_admin"]
      interval: 10s
      timeout: 5s
      retries: 5

  mysql:
    image: mysql:8.0
    container_name: vault-mysql
    environment:
      MYSQL_DATABASE: vault_db
      MYSQL_USER: vault_admin
      MYSQL_PASSWORD: secure_password_123
      MYSQL_ROOT_PASSWORD: root_password_123
    ports:
      - "3306:3306"
    volumes:
      - mysql_data:/var/lib/mysql
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
      interval: 10s
      timeout: 5s
      retries: 5

  redis:
    image: redis:7
    container_name: vault-redis
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data

volumes:
  postgres_data:
  mysql_data:
  redis_data: