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Continuous Integration (CI)
The practice of merging all developers' working copies to a shared mainline several times a day.
- Automated Builds
- Automated Testing (Unit)
- Early Bug Detection
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Continuous Delivery
An extension of CI where software is built in such a way that it can be released to production at any time.
- Deploys to Staging automatically
- Manual approval for Production
- Always deployable state
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Continuous Deployment
Goes one step further than continuous delivery. Every change that passes all stages is released to customers.
- Fully Automated Pipeline
- No human intervention
- Fastest feedback loop
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Pipeline Simulator
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Commit
build
Build
bug_report
Test
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Staging
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Production
System ready. Select a mode and click 'Push Code' to start.
[07:07:08][INFO]System switched to CI mode. Ready.
The Breakdown
| Feature | Continuous Delivery | Continuous Deployment |
|---|---|---|
| Deployment to Prod | pan_tool Manual | bolt Automated |
| Primary Goal | Ensure code is always release-ready. | Eliminate release friction completely. |
| Ideal For | Regulated industries, enterprise with release windows. | SaaS, consumer apps, high-velocity teams. |
| Risk Control | Human gatekeeper. | Advanced automated testing & rollbacks. |
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link Source: Atlassian
Faster Time to Market
According to DevOps research, high-performing teams deploy 208x more frequently.
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Reduced Risk
Small, frequent changes are easier to debug and fix than large "big bang" releases.
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Developer Happiness
Automating repetitive tasks prevents burnout and lets devs focus on logic.
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Faster Feedback
Get user feedback in hours, not weeks. Pivot quickly based on data.
Popular Tools (2025)
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Jenkins
The Classic Open Source
GitHub Actions
Integrated & Popular
GitLab CI
All-in-One DevOps
CircleCI
Speed Focused
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Data based on
CTO Club 2025 Review