Most teams measure their release cycle in weeks. Some in months. They batch up changes, schedule a release window, hold their breath, and hope nothing breaks. When something does break, the batch is so large that finding the cause takes longer than the fix.
Continuous deployment turns this upside down. Every commit is a potential release. There is no manual QA gate. There is no lengthy release process where someone clicks through the application. There is a pipeline and a production environment. If the tests pass, you ship.
This course teaches you how to build that pipeline and — more importantly — the discipline and confidence to trust it.
Day 1 — The pipeline
You start by building a deployment pipeline from scratch. You push code to GitHub. GitHub Actions picks it up, runs your tests — unit tests, integration tests, acceptance tests — and if everything passes, pushes the changes to a deployment branch. Scalingo or Heroku watches that branch and automatically deploys to production. No manual steps. No approval queues. Push, test, deploy.
You will learn why each stage of the pipeline exists and what confidence it provides. You will also learn why test quality matters more here than anywhere else. In a continuous deployment world, your tests are the only thing standing between your commit and your users. A flaky test is not an annoyance. It is a broken safety net.
Day 2 — The discipline
Tooling is the easy part. Day two is about the practices that make continuous deployment sustainable. You will work with feature flags to hide incomplete work behind toggles, allowing you to deploy unfinished features without exposing them. You will practise trunk-based development — small commits, integrated continuously, never straying far from the main branch.
You will learn why small steps matter just as much in deployment as they do in Test-Driven Development. A small change is easy to review, easy to test, and easy to roll back. A large batch is none of those things.
By the end of the day, you will deploy on a Friday afternoon — and understand why that is a sign of confidence, not recklessness.
What you bring home
A working pipeline from commit to production — GitHub Actions running your tests, pushing to a deployment branch, and Scalingo or Heroku taking it live. The discipline to keep your commits small and your tests trustworthy. And the confidence to ship any day of the week.