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TCS · CI/CD Pipelines
Practice CI/CD Pipelines questions specifically asked in TCS interviews – ideal for online test preparation, technical rounds and final HR discussions.
Questions
7
Tagged for this company + subject
Company
TCS
View company-wise questions
Subject
CI/CD Pipelines
Explore topic-wise practice
Go through each question and its explanation. Use this page for targeted revision just before your TCS CI/CD Pipelines round.
In simple words, CI/CD is a delivery conveyor. Code goes in, checks run, and a deployable build comes out. The aim is speed with safety. Automation removes manual errors and gives quick feedback to developers.
For complete preparation, combine this company + subject page with full company-wise practice and subject-wise practice. You can also explore other companies and topics from the links below.
A matrix multiplies coverage without hand-writing many jobs. It runs the same steps across Node, Java, or OS versions. You catch compatibility issues early while keeping feedback fast.
strategy: matrix: node: [18, 20] os: [ubuntu-latest, windows-latest]
Send useful, actionable alerts to the right channel with context. Avoid noisy spam. Good signals speed triage without distracting others.
on_failure: post to #team-payments with build URL
Parallelize independent jobs and reuse downloads or build layers. You keep the same checks but cut wall-clock time and spend. Start with the biggest time sinks for maximum gain.
CI_NODE_TOTAL=4 run-tests --shard $CI_NODE_INDEX/$CI_NODE_TOTAL
Start with triggers on push and pull requests. Add a build step to install dependencies and create the artifact. Run unit tests and linters. On main branch, publish the artifact and deploy to a staging env with health checks. Keep jobs short and independent. Cache dependencies and fail fast on basic checks before heavier steps.
name: ci on: [push, pull_request] jobs: build_test: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - run: npm ci - run: npm run lint - run: npm test -- --ci deploy_staging: needs: build_test if: github.ref == 'refs/heads/main' runs-on: ubuntu-latest steps: - run: echo Deploying artifact to staging
Caching prevents repeated downloads or rebuilds for the same inputs. It shortens the feedback loop while keeping checks intact.
cache: paths: - ~/.m2/repository - node_modules
An artifact is the deliverable from the build step, like a jar, a zip, or a container image. Later stages pull the same artifact to ensure consistency across testing and deployment.