A standard failsafe zero downtime deployment scripts used in our projects at Clarity

step 1)

Go here https://gitlab.com/clarity-tech/dev-ops/pipelines

and read the ## Usage section

step 2)

create Envoy.blade.php on root of your project add below inside that file

@import('vendor/clarity-tech/clarity-envoy-deploy/src/Envoy.blade.php')

step 3)

update/replace the variables inside these files .gitlab/ci/.prepare-ssh-prod.yml and .gitlab/ci/.prepare-ssh-staging.yml

PROJECT_DIR
your-server-alias

step 4)

update ENV_PROD and ENV_STAGING as File variable as per your need in gitlab project CI/CD variables https://gitlab.com/clarity-tech/your-project-name/-/settings/ci_cd

and SSH_CONFIG as File variable with the config like below replace ip-of-the-server with your ip

Host clarity-server
   HostName ip-of-the-server
   User deployer
   IdentitiesOnly yes
   IdentityFile ~/.ssh/id_deployment
   StrictHostKeyChecking no

lastly DEPLOYER_SSH_KEY_ID as File variable with the private key content file of the user that has access to the server

-----BEGIN OPENSSH PRIVATE KEY-----
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
QyNTUxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxvPiD
egxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxw
AAxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxLp
key-content-stripped-due-to-secuirty-xxxxxxxxxxxxxxx==
-----END OPENSSH PRIVATE KEY-----