Practical CI/CD for React Native

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CI/CD for React Native

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Every great change is preceded by chaos. Deepak Chopra

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Works on my machine! Pack your machine. We send it to production!

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Developer *.apk Tester

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https://martinfowler.com/articles/continuousIntegration.html Martin Fowler Continuous Integration is a software development practice where members of a team integrate their work frequently, usually each person integrates at least daily - leading to multiple integrations per day.

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https://martinfowler.com/articles/continuousIntegration.html Martin Fowler Each integration is verified by an automated build (including test) to detect integration errors as quickly as possible.

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Master branch Feature Branch

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Azure Pipelines github.com/ariya/hello-react-native

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- job: Android pool: vmImage: 'macOS 10.13’ steps: - task: NodeTool@0 inputs: versionSpec: '8.x’ - script: yarn install - task: Gradle@2 inputs: workingDirectory: 'android/’ gradleWrapperFile: 'android/gradlew’ tasks: 'assembleDebug' azure-pipelines.yml

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========================== Starting Command Output ============== [command]/bin/bash --noprofile --norc /home/vsts/work/_temp/48d0edca-9f9e-4690-bf28-c96bd1471508.sh > [email protected] static-code-analysis /home/vsts/work/1/s > npm run tslint && npm run prettier > [email protected] tslint /home/vsts/work/1/s > tslint -p src > [email protected] prettier /home/vsts/work/1/s > prettier --check "src/**/*.{ts,tsx}" Checking formatting... All matched files use Prettier code style!

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========================== Starting Command Output ================= [command]/bin/bash --noprofile --norc /home/vsts/work/_temp/e0e0cdd8-2599- 4d4d-882e-32a481a62cbe.sh > [email protected] dynamic-code-analysis /home/vsts/work/1/s > jest --coverage PASS src/__tests__/App-test.tsx (6.991s) ✓ renders correctly (537ms) ----------|----------|----------|----------|----------|-------------------| File | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s | ----------|----------|----------|----------|----------|-------------------| All files | 100 | 100 | 100 | 100 | | App.tsx | 100 | 100 | 100 | 100 | | ----------|----------|----------|----------|----------|-------------------| Test Suites: 1 passed, 1 total Tests: 1 passed, 1 total Snapshots: 0 total Time: 16.782s Ran all test suites.

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App Center github.com/ariya/hello-react-native

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Tester

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Epilog

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App Center Azure Pipelines

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Mitigate Human Error 1

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Guarantee Consistency 2

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Authoritative Reference 3

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Extensive Automation 4

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Archive & History 5

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Thank You Some artworks are from http://openclipart.org. @ariyahidayat