Have you had practical experience setting up and using CI/CD pipelines with Docker containers?

Yes, I have practical experience in setting up CI/CD pipelines using Docker containers. This typically involves the following steps:

• Creating a Dockerfile for the application to package it into a container.
• Configuring a CI server (such as Jenkins, GitLab CI, GitHub Actions) to automatically build the Docker image upon commits to the repository.
• Running tests inside the container to isolate the environment.
• Publishing the image to a Docker Registry (Docker Hub, GitLab Registry).
• Automatically deploying the container to test or production servers.

An example of a simple stage in GitLab CI 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 application delivery process.