Master Microservices with Spring Boot and Spring Cloud - Step 15 – Creating Container Image for Currency Exchange Micros

The video tutorial explains how to create and configure Docker containers for Spring Boot applications using the Maven plugin. It covers naming conventions, versioning, and efficient image creation by setting pull policies. The tutorial also demonstrates building and running Docker images locally, highlighting the steps to ensure a smooth process.

What major change did Spring Boot version 2.3 introduce for Docker container creation?

• It made the process more complex.

• It removed the need for Docker altogether.

• It simplified the process using the Spring Boot Maven plugin.

• It required additional configuration files.

How can you specify a name for your Docker image using the Spring Boot Maven plugin?

• By editing the Dockerfile directly.

• By setting an environment variable.

• By configuring the image name in the Maven plugin settings.

• By using a command line argument during build.

What is the purpose of setting a pull policy for Docker images?

• To prevent any image downloads.

• To ensure images are never cached.

• To use local images if available, reducing build time.

• To always download the latest images.

Before building a Docker image, what is recommended regarding running applications?

• Ensure all applications are running.

• Stop all running applications.

• Restart all applications.

• Update all applications to the latest version.

Which Maven command is used to build a Docker image for a Spring Boot application?

• mvn package

• mvn spring-boot:build-image

• mvn docker:build

• mvn clean install

What should you do if you encounter issues building your Docker image locally?

• Reinstall Docker.

• Switch to a different build tool.

• Use pre-built images from the Docker registry.

• Ignore the errors and proceed.

On which port does the currency exchange service run in the Docker container?

• 8080

• 8000

• 8081

• 8001