omidasadpour/energi

energy task explanations

Contents Overview

• .dockerignore
  • ignore everything (although we don't have any COPY or ADD command).
• deployment
  • contains kubernetes configfile (just a statefulset.yaml file).
• Dockerfile
  • the file that our new image builds from it's steps.
• .gitlab-ci.yml
  • this is our CI/CD file.

Add required secrets on gitlab

• CI_REGISTRY_USER (gitlab docker registry username)
• CI_REGISTRY (gitlab docker registry password/token)

CI/CD process:

When a change happend on just the main branch CI/CD will launch:

• In CI(Build) section, the docker image will build from Dockerfile and push to gitlab docker registry
• In CD(Deploy) section, the new docker image will be update and after that statefulset will apply into the kubernetes cluster
• In CD(Deploy) section, in the last line of script , the CD watches the new changes and if everything wokrs well the CD process will finish successfully

Dockerfile description:

• The base image is ubuntu:20.04
• In the RUN section
  • the energi user will create
  • the energi3 (v3.1.2) binary file will get , check and extract and move to $PATH.
  • the trivy scanner will get and check the entire filesystem
• change the default user from root to energi
• define a default command (this will run whenever the container of created docker image starts)