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Extending, Securing, and Dockerizing Spring Boot Microservices

via LinkedIn Learning


Build on your foundational knowledge of Spring. Learn how to extend, secure, and "dockerize" Spring Boot microservices, and turn them into production-ready applications.

Build on the foundational knowledge you have of the Spring framework. Learn how to extend, refine, harden, test, and "dockerize" your Spring Boot microservices, and turn them into production-ready applications. Instructor Mary Ellen Bowman teaches the intermediate skills you need to build professional-grade programs, emphasizing standards for quality, security, persistence, and deployment. She shows how to link to external databases, build secure APIs, use unit and integration testing to uncover application flaws during development, and configure scalable deployment options with Docker containers.


  • Elevate a microservice
  • What you should know
  • Reviewing the Original Spring Boot microservice
1. Enhancing a Spring Boot Microservice
  • Running the microservice
  • Define the schema and default data
  • Identify transactional business services boundaries
2. Hardening the Microservice
  • Adding a runtime logger
  • Unit testing with Mockito vs. integration testing
  • Restful API testing with JUnit
  • Documenting APIs with Swagger
3. Spring Security with JSON Web Tokens (JWT)
  • Users and roles
  • Spring Security authentication
  • Password encryption
  • Understanding JWT
  • Configuring Spring Security for JWT for authorization
  • Securing APIs
4. Leveraging Docker for MySQL Database Access
  • What is Docker?
  • Running the application with MySQL container
  • Database migration with Flyway
  • Selecting Spring profiles at runtime
5. Dockerizing Your Microservice
  • Create and run a Java application Docker image
  • Link the Java application and database Docker containers
  • Separate application image from database migration
  • Leverage a Docker Maven plugin
  • Sharing images with Docker hub
  • Next steps

Taught by

Mary Ellen Bowman

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