Have you used CI/CD automation in your last project?

Yes, in my last project I used CI/CD automation with Docker containers. This typically involves:

• Creating a Dockerfile to package the application into a container.
• Configuring a CI server (e.g., Jenkins, GitLab CI, GitHub Actions) to automatically build the Docker image upon code commit.
• Running tests inside the container to ensure environment consistency.
• Publishing the image to a Docker registry (Docker Hub, GitLab Registry).
• Automatically deploying the container to test or production servers.

Example of a simple GitLab CI stage for building and pushing a Docker image:

build:
  stage: build
  script:
    - docker build -t myapp:$CI_COMMIT_SHA .
    - docker push myapp:$CI_COMMIT_SHA
  only:
    - main

This approach ensures repeatability, isolation, and automation of the deployment process.