Containerize without Dockerfile.

Overview

Containerize without Dockerfile.

Example 

  # Example pipeline step
mvn -B verify
# Or: ./gradlew build

Common Use Cases

  • Automated testing on every commit
  • Consistent deployment
  • Environment parity

Pitfalls to Avoid

  • Secrets in source code
  • Non-reproducible builds
  • Skipping tests in CI
  • Maven
  • Gradle
  • Spring Boot Actuator

Best Practices

  • Understand when to use google jib versus simpler alternatives
  • Write unit tests covering edge cases and failure paths
  • Follow Java conventions and prefer standard library APIs when available
  • Profile before optimizing — measure impact in your specific workload