GitLab CI CD Tutorial for Beginners [Crash Course] From TechWorld with Nana

gitlab-ci.yml

variables:
  IMAGE_NAME: nanajanashia/demo-app
  IMAGE_TAG: python-app-1.0

stages:
  - test
  - build
  - deploy

run_tests:
  stage: test
  image: python:3.9-slim-buster
  before_script:
    - apt-get update && apt-get install make
  script:
    - make test


build_image:
  stage: build
  image: docker:20.10.16
  services:
    - docker:20.10.16-dind
  variables:
    DOCKER_TLS_CERTDIR: "/certs"
  before_script:
    - docker login -u $REGISTRY_USER -p $REGISTRY_PASS
  script:
    - docker build -t $IMAGE_NAME:$IMAGE_TAG .
    - docker push $IMAGE_NAME:$IMAGE_TAG


deploy:
  stage: deploy
  before_script:
    - chmod 400 $SSH_KEY
  script:
    - ssh -o StrictHostKeyChecking=no -i $SSH_KEY root@161.35.223.117 "
        docker login -u $REGISTRY_USER -p $REGISTRY_PASS &&
        docker ps -aq | xargs docker stop | xargs docker rm &&
        docker run -d -p 5000:5000 $IMAGE_NAME:$IMAGE_TAG"
        
#Source https://www.youtube.com/watch?v=qP8kir2GUgo