Continuous integration and delivery (CI/CD) promise more frequent releases with less risk. In reality, many pipelines are slow, fragile and bypassed as soon as something is urgent. Here are ten practices that make the difference.
1. A pipeline on every change
Every pull request should automatically trigger the build, the tests and code analysis. If a check only runs by hand, it will be forgotten on the very day it would have mattered.
2. A fast pipeline
A 40-minute pipeline pushes teams to batch changes and skip checks. Aim for a few minutes for the main feedback: run tests in parallel, cache dependencies and keep the long suites in a separate stage.
3. A main branch that is always deployable
Whatever is merged must be able to go to production. That means systematic code reviews, required tests before merging, and unfinished features hidden behind flags rather than left on branches that live for weeks.
4. A balanced test pyramid
Lots of fast unit tests, integration tests on the sensitive spots and a few end-to-end tests on the critical journeys. A suite made only of end-to-end tests is slow and unstable.
5. Zero tolerance for flaky tests
A test that fails “sometimes” teaches the team to ignore red. Quarantine it immediately and fix or delete it, but don’t let it erode trust in the whole pipeline.
6. Build the artifact once
Build the application once, then promote the same artifact from test to production. Rebuilding at every stage introduces differences that are hard to diagnose.
7. Keep secrets out of the code
Keys and passwords live in a vault or in the environment’s configuration, never in the repository. Add automatic secret scanning to the pipeline: a leak is far easier to fix before merging than after.
8. Progressive delivery
Deploy to a small share of traffic or users first, watch, then widen. Progressive delivery turns a major incident into a contained one.
9. Roll back with one command
Rollback has to be planned, documented and tested. If it needs a complex manual intervention in the middle of the night, it won’t happen in time.
10. Check after every deployment
A deployment isn’t done when the pipeline is green: it’s done when production works. Automate a few smoke tests on the essential journeys and watch errors in the minutes that follow.
Where to start
There’s no need to change everything at once. First measure how long your pipeline takes, how often it fails and how long a rollback takes. Then tackle the most painful point. If your team lacks the time or expertise, our DevOps & CI/CD engineers can join your teams for the duration of the work.