09c23f66ff
Document the Flutter SDK Docker images with: - Image variants and sizes - Comparison showing 75% smaller than alternatives - CI/CD examples for GitHub, GitLab, and Gitea - Security features (zero CVEs, SBOM, provenance) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
108 lines
2.3 KiB
Markdown
108 lines
2.3 KiB
Markdown
# Flutter SDK Docker Images
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Minimal, secure Flutter SDK images for CI/CD pipelines. Built on [Wolfi](https://wolfi.dev) for a smaller footprint and zero CVEs.
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## Images
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| Variant | Use Case | Size |
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|---------|----------|------|
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| `svrnty/flutter-sdk:web-latest` | Web/WASM builds | ~800 MB |
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| `svrnty/flutter-sdk:android-latest` | Android APK/AAB builds | ~1.7 GB |
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| `svrnty/flutter-sdk:linux-latest` | Linux desktop builds | ~1.3 GB |
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### Size Comparison
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| Image | Size |
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|-------|------|
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| **svrnty/flutter-sdk:android** | **1.7 GB** |
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| cirrusci/flutter:stable | 4.5 GB |
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| ghcr.io/cirruslabs/flutter:stable | 6.8 GB |
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Up to **75% smaller** than alternatives.
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## Features
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- **Zero CVEs** - No critical, high, or medium vulnerabilities
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- **Multi-arch** - Supports both `linux/amd64` and `linux/arm64`
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- **Non-root** - Runs as unprivileged user (UID 65532)
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- **Minimal** - Only includes dependencies needed for each platform
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- **SBOM & Provenance** - Full supply chain attestations included
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## Usage
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### Web
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```bash
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docker run --rm -v $(pwd):/app -w /app svrnty/flutter-sdk:web-latest \
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flutter build web
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```
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### Android
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```bash
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docker run --rm -v $(pwd):/app -w /app svrnty/flutter-sdk:android-latest \
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flutter build apk
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```
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### Linux Desktop
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```bash
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docker run --rm -v $(pwd):/app -w /app svrnty/flutter-sdk:linux-latest \
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flutter build linux
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```
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## CI/CD Examples
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### GitHub Actions
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```yaml
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jobs:
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build:
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runs-on: ubuntu-latest
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container:
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image: svrnty/flutter-sdk:android-latest
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steps:
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- uses: actions/checkout@v4
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- run: flutter build apk --release
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```
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### GitLab CI
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```yaml
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build:
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image: svrnty/flutter-sdk:android-latest
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script:
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- flutter build apk --release
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```
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### Gitea Actions
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```yaml
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jobs:
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build:
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runs-on: ubuntu-latest
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container:
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image: svrnty/flutter-sdk:android-latest
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steps:
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- uses: actions/checkout@v3
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- run: flutter build apk --release
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```
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## Tags
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- `<variant>-latest` - Latest stable Flutter release
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- `<variant>-<version>` - Specific Flutter version (e.g., `android-3.38.9`)
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- `<variant>-dev` - Pre-release testing
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## Security
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All images are:
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- Scanned with Docker Scout on every release
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- Built with SBOM and SLSA provenance attestations
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- Based on Wolfi (minimal attack surface)
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- Automatically updated when new Flutter versions are released
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## License
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MIT
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