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DEAll CI/CD Pipeline Tools by Stage
๐ Stage 1 - Code Quality & Security Scanning
Your code doesn't get trusted. Not even a little.
โ SonarQube runs static analysis on every line
โ TruffleHog crawls git history for exposed secrets
โ Snyk audits every dependency against a CVE database
โ ESLint enforces code style before anything moves forward
๐งช Stage 2 - Testing
The gauntlet your code must survive.
โ Jest / PyTest โ unit tests at the function level
โ REST Assured โ integration tests across your services
โ Cypress / Playwright โ real browser, real user flows
โ k6 / JMeter โ thousands of concurrent users hitting your app
โ Pact โ contract testing across microservices
๐ฆ Stage 3 - Build & Containerization
Code is clean. Time to package it.
โ Docker builds the container image
โ Trivy scans it for container-level CVEs
โ Artifact gets versioned and pushed to ECR / GCR / DockerHub
๐ Stage 4 - Environment Promotion
It doesn't go straight to prod. Not a chance.
โ Dev โ every commit, instant feedback
โ Staging โ mirrors prod, QA breaks it here
โ UAT โ stakeholder validation gate
โ Production โ controlled, approved, gated
๐ Stage 5 - Deployment Strategies
How it enters prod is everything.
โ Rolling โ instances replaced one by one, zero downtime
โ Blue/Green โ identical envs, instant traffic switch
โ Canary โ 5% of live traffic first, monitor, then roll out
โ Feature Flags โ code ships silently, feature toggles on demand
๐ Stage 6 - Monitoring & Rollback
The pipeline doesn't clock out after deploy.
โ Datadog / Grafana โ real time error rates and latency
โ Sentry โ catches exceptions the moment they hit prod
โ PagerDuty โ wakes the right person up immediately
โ Automated rollback โ metrics breach threshold = instant revert
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