Gitlab Simple CI/CD Deploy To SSH Serverr

gitlab-ci.yml

image: ubuntu:latest
stages:
  - deploy
deploy_prod:
  stage: deploy
  before_script:
  - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
  - mkdir -p ~/.ssh
  - eval $(ssh-agent -s)
  - '[[ -f /.dockerenv ]] && echo -e "Host *\n\tStrictHostKeyChecking no\n\n" > ~/.ssh/config'
  script:
    - ssh-add <(echo "$SECRET_KEY_base64" | base64 -d)
    - ssh -o StrictHostKeyChecking=no $SSH_USER@$SSH_HOSTNAME "cd /var/www/api && git checkout . && git pull"

##Setup the variable on gitlab 
## $SECRET_KEY_base64
## $SSH_USER
## $SSH_HOSTNAME


##Generate the secret key
## ssh-keygen -t rsa
##Add public key to authorized_keys
##cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys 
##Encode private key with base64 encoding
## cat ~/.ssh/id_rsa | base64