message: 'Server healthy',
status: 'CI/CD: auto-deploy (Docker) working'
ssl : 'Done ✅🙂'
Short clear explanation of pipeline (concise)

Push to main → GitHub Actions triggers and runs a Runner.
Runner builds the environment from your Dockerfile (Alpine + Node v24), installs dependencies.
Runner creates a Docker image containing code, deps, and OS.
Image is pushed to Docker Hub (secure storage).
Runner SSHs your Ubuntu server; server pulls the new image, stops the old container, and starts the new one.