services:
  migrate:
    image: mongo:7.0
    volumes:
      - ../generate/database/mongo:/migrations:ro
    working_dir: /app
    environment:
      - MONGO_HOST=${MONGO_HOST:-127.0.0.1:27017}
      - MONGO_DB=${MONGO_DB:-digimon}
      - MONGO_USER=${MONGO_USER:-root}
      - MONGO_PASSWORD=${MONGO_PASSWORD:-example}
      - MONGO_AUTH_DB=${MONGO_AUTH_DB:-admin}
    network_mode: host
    # 預設執行 up migration
    command: >
      sh -c "
      if [ -z \"$$MONGO_USER\" ] || [ \"$$MONGO_USER\" = \"\" ]; then
        MONGO_URI=\"mongodb://$$MONGO_HOST/$$MONGO_DB\"
      else
        MONGO_URI=\"mongodb://$$MONGO_USER:$$MONGO_PASSWORD@$$MONGO_HOST/$$MONGO_DB?authSource=$$MONGO_AUTH_DB\"
      fi &&
      echo \"執行 MongoDB migration (UP)...\" &&
      echo \"連接: $$MONGO_URI\" &&
      for file in $$(ls -1 /migrations/*.up.txt 2>/dev/null | sort); do
        echo \"執行: $$(basename $$file)\" &&
        mongosh \"$$MONGO_URI\" --file \"$$file\" || exit 1
      done &&
      echo \"✅ Migration UP 完成\"
      "