Skip to content
Skills
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
More
Problems
Questions
Roles
Skills
Interview
Contest
Leaderboard
More
Home
/
Backend Developer
/
Questions
/
CI/CD
Backend Developer
CI/CD questions
14 questions on CI/CD for backend developers, easiest first.
Easy
3
Undoing a bad commit on main
easy
Turning off a broken feature fast
easy
Why use a canary release
easy
Medium
5
Errors during every deploy
medium
Liveness probe restarts every pod
medium
Deploying a worker safely
medium
Rollback breaks after a migration
medium
Steps git bisect needs
medium
Hard
6
Adding an index to a live big table
hard
Connection resets when pods stop
hard
A database blip restarts every pod
hard
Migrations run on every pod start
hard
New code crashes on old cache entries
hard
A config change takes down every region
hard
