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You want to integrate Selenium Docker containers into a CI/CD pipeline. Which practice improves test reliability and environment consistency?

hard📝 Application Q9 of 15
Selenium Python - CI/CD Integration
You want to integrate Selenium Docker containers into a CI/CD pipeline. Which practice improves test reliability and environment consistency?
AUse Docker images with fixed versions and clean up containers after tests
BUse latest Docker images without version tags to get newest features
CKeep containers running indefinitely to save startup time
DRun tests directly on host machine to avoid Docker overhead
Step-by-Step Solution
Solution:
  1. Step 1: Understand CI/CD environment needs

    CI/CD requires repeatable, consistent test environments to avoid flaky results.
  2. Step 2: Use fixed Docker image versions and cleanup

    Fixed versions prevent unexpected changes; cleaning containers avoids stale state affecting tests.
  3. Final Answer:

    Use Docker images with fixed versions and clean up containers after tests -> Option A
  4. Quick Check:

    Fixed versions + cleanup = reliable, consistent CI/CD tests [OK]
Quick Trick: Pin Docker image versions and clean containers for CI/CD [OK]
Common Mistakes:
  • Using 'latest' tag causes unpredictable test environments
  • Keeping containers running causes stale state issues
  • Running tests on host loses container isolation benefits

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