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---
name: flutter-cicd
description: Set up CI/CD pipelines for Flutter apps. Use when configuring automated testing, build, or deployment workflows with GitHub Actions or Fastlane.
metadata:
triggers:
files:
- '.github/workflows/**.yml'
- 'fastlane/**'
- 'android/fastlane/**'
- 'ios/fastlane/**'
keywords:
- ci
- cd
- pipeline
- build
- deploy
- release
- action
- workflow
---
# CI/CD Standards
## **Priority: P1 (HIGH)**
## Core Pipeline Steps
1. **Environment Setup**: Use stable Flutter channel. Cache dependencies (pub, gradle, cocoapods).
2. **Static Analysis**: Enforce `flutter analyze` and `dart format`. Fail on any warning in strict mode.
3. **Testing**: Run unit, widget, and integration tests. Upload coverage reports (e.g., Codecov).
4. **Build**:
- **Android**: Build App Bundle (`.aab`) for Play Store.
- **iOS**: Sign and build `.ipa` (requires macOS runner).
5. **Deployment** (CD): Automated upload to TestFlight/Play Console using standard tools (Fastlane, Codemagic).
## Best Practices
- **Timeout Limits**: Always set `timeout-minutes` (e.g., 30m) to save costs on hung jobs.
- **Fail Fast**: Run Analyze/Format _before_ Tests/Builds.
- **Secrets**: Never commit keys. Use GitHub Secrets or secure vaults for `keystore.jks` and `.p8` certs.
- **Versioning**: Automate version bumping based on git tags or semantic version scripts.
## Reference
- [**GitHub Actions Template**](references/github-actions.md) - Standard workflow file.
- [**Advanced Large-Scale Workflow**](references/advanced-workflow.md) - Parallel jobs, Caching, Strict Mode.
- [**Fastlane Standards**](references/fastlane.md) - Automated Signing & Deployment.
## Anti-Patterns
- **No Secrets in Repo**: Store `keystore.jks`, `.p8`, and `.env` in GitHub Secrets
- **No Uncapped Jobs**: Always set `timeout-minutes` (e.g., 30m) to save runner minutes
- **No Manual Versioning**: Automate `pubspec.yaml` versioning via git tags or scripts
- **No Late Analysis**: Run `flutter analyze` before builds/tests for fast failure
## Related Topics
flutter/testing | dart/tooling
