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DevOpsJuly 30, 20257 min read

DevOps for SaaS: CI/CD and Infrastructure as Code

Set up robust deployment pipelines and infrastructure management for SaaS applications using modern DevOps practices.

DevOpsCI/CDInfrastructure

The minimum stack

  • IaC: Terraform, Pulumi, or OpenTofu. Pick one, version every change.
  • CI/CD: GitLab CI or GitHub Actions, with required checks before merge.
  • Container registry: hosted or self-hosted, with image scanning.
  • Runtime: Kubernetes if you have ops capacity, ECS/Fly/Render otherwise.
  • Observability: logs, metrics, traces — three tools or one combined platform.

Pipeline anatomy

push -> install -> lint -> test -> build image -> migrate -> deploy -> smoke test

Block deploy on test or migration failure. Make rollback a one-click action.

Environments

  • dev: cheap, ephemeral, every PR gets a preview if practical.
  • stage: production-like, used for UAT and load tests.
  • prod: the only one customers see; treat it accordingly.

Secrets

A vault — never .env in git, never CI logs that print env vars. Rotate annually and on any departure.

Deploys

Rolling deploys for stateless services, blue/green for risky changes, canary releases when traffic is meaningful. Always have a documented rollback step.

What "done" looks like

A new engineer can push a commit and see it land in production within 30 minutes, with logs, metrics, and a working rollback button. Anything less is technical debt.

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DevOps for SaaS: CI/CD and Infrastructure as Code | XimplIT