Update README with friendlier tone

Focus on Wolfi benefits rather than competitor comparisons.
Highlight lightweight nature and automatic updates.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Mathias Beaulieu-Duncan 2026-02-03 03:33:34 -05:00
parent 09c23f66ff
commit 88046dda7f

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# Flutter SDK Docker Images # Flutter SDK Docker Images
Minimal, secure Flutter SDK images for CI/CD pipelines. Built on [Wolfi](https://wolfi.dev) for a smaller footprint and zero CVEs. Lightweight Flutter SDK images for CI/CD pipelines. Built on [Wolfi](https://wolfi.dev), a security-focused Linux distribution designed for containers.
## Images ## Images
@ -10,23 +10,21 @@ Minimal, secure Flutter SDK images for CI/CD pipelines. Built on [Wolfi](https:/
| `svrnty/flutter-sdk:android-latest` | Android APK/AAB builds | ~1.7 GB | | `svrnty/flutter-sdk:android-latest` | Android APK/AAB builds | ~1.7 GB |
| `svrnty/flutter-sdk:linux-latest` | Linux desktop builds | ~1.3 GB | | `svrnty/flutter-sdk:linux-latest` | Linux desktop builds | ~1.3 GB |
### Size Comparison ## Why Wolfi?
| Image | Size | [Wolfi](https://wolfi.dev) is a lightweight Linux distribution built specifically for containers. It provides:
|-------|------|
| **svrnty/flutter-sdk:android** | **1.7 GB** |
| cirrusci/flutter:stable | 4.5 GB |
| ghcr.io/cirruslabs/flutter:stable | 6.8 GB |
Up to **75% smaller** than alternatives. - **Minimal footprint** - Only essential packages, nothing extra
- **Daily security updates** - Patches applied quickly
- **Designed for containers** - No legacy cruft from traditional distros
## Features ## Features
- **Zero CVEs** - No critical, high, or medium vulnerabilities - **Lightweight** - Optimized for fast CI/CD pulls
- **Secure** - Built on Wolfi with continuous vulnerability scanning
- **Multi-arch** - Supports both `linux/amd64` and `linux/arm64` - **Multi-arch** - Supports both `linux/amd64` and `linux/arm64`
- **Non-root** - Runs as unprivileged user (UID 65532) - **Non-root** - Runs as unprivileged user (UID 65532)
- **Minimal** - Only includes dependencies needed for each platform - **Supply chain security** - SBOM and SLSA provenance attestations included
- **SBOM & Provenance** - Full supply chain attestations included
## Usage ## Usage
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- `<variant>-<version>` - Specific Flutter version (e.g., `android-3.38.9`) - `<variant>-<version>` - Specific Flutter version (e.g., `android-3.38.9`)
- `<variant>-dev` - Pre-release testing - `<variant>-dev` - Pre-release testing
## Security ## Automatic Updates
All images are: Images are automatically rebuilt when:
- Scanned with Docker Scout on every release - New Flutter stable versions are released
- Built with SBOM and SLSA provenance attestations - Base image security updates are available
- Based on Wolfi (minimal attack surface)
- Automatically updated when new Flutter versions are released Every build is scanned and includes supply chain attestations (SBOM, SLSA provenance).
## License ## License