What is GitOps ?

GitOps

• implementation of CD (Continuous Delivery) on cloud infra
• focused on developers using :
• Git
• CD tool(s) & automated pipeline
• IaC (Infra as Code) & configuration

• Implementation
• Manage 2 repos
1. Source code & manifests
2. Deployment configs
• Use one of the 2 deployment strategy
• Push based
• Code pushed > trigger pipeline > build & push container image > update env config repo > trigger deploy pipeline
• Pull based (preferred, more secure)
• Code pushed > trigger pipeline > build & push container image > update env config repo
• Operator observes the changes in env repo > update infra
• Operator observes the changes in image registry > deploy new version

• Deploy on different environments when specific branches are updated

• Prerequisites
• Git
• Infra manageable by IaC
• Kubernetes (Operators for pull-based deployment)

• Tools for GitOps
• ArgoCD : K8S operator with an UI
• JenkinsX : CD on K8S
• Flux : K8S operator
• GitKube : build/deploy docker images on K8S
• Helm operator : K8S operator with Helm