An intelligent CLI tool that scans your project to generate production-ready, optimized Dockerfiles with zero configuration.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install docker-writer
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install docker-writer using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Docker Writer?
Docker Writer is a specialized utility designed to take the friction out of containerization. By scanning your project directory, it automatically identifies the runtime, framework, and dependencies being used—whether it is Node.js, Python, Go, or other popular stacks. It goes beyond simple templates by generating Dockerfiles that adhere to modern best practices, such as proper layer caching and minimized image sizes, making it a standout entry in the Openclaw Skills collection.
This tool is built for developers who want to move fast without sacrificing quality. Instead of manually drafting complex build scripts, Docker Writer analyzes your package files and constructs a tailored environment. As a key part of the Openclaw Skills library, it ensures that your application is deployment-ready in seconds, allowing you to focus on writing code rather than managing infrastructure configuration.
Docker Writer Use Cases
- Containerizing a legacy or new project for the first time without manual setup.
- Implementing multi-stage builds to significantly reduce production image footprints.
- Rapidly prototyping cloud-native applications that require immediate container support.
- Standardizing Dockerfile structures across diverse microservices within Openclaw Skills workflows.
- Onboarding projects to CI/CD pipelines where Docker expertise is limited.
How Docker Writer Works
- The tool performs a deep scan of the project root to detect manifest files like package.json, requirements.txt, or go.mod.
- It maps the detected stack to optimized Docker base images and runtime configurations defined in the Openclaw Skills logic.
- The engine generates a Dockerfile containing the necessary build steps, environment variables, and port exposures.
- If the optimize flag is enabled, it restructures the output into a multi-stage build to isolate build dependencies from the runtime image.
- Users can preview the configuration in the terminal before committing the file to the local disk.
Docker Writer Setup
To utilize this tool within your Openclaw Skills environment, ensure you have Node.js 18 or higher installed. No global installation is necessary as it can be executed on-demand:
npx ai-dockerfile
To explore advanced configuration options and flags, you can access the help menu:
npx ai-dockerfile --help
Docker Writer Data Schema & Taxonomy
| Component | Description |
|---|---|
| Dependency Detection | Scans for package.json, requirements.txt, go.mod, and more. |
| Image Logic | Maps project types to official, secure base images. |
| Output Management | Supports custom output paths via the --output flag. |
| Build Strategy | Switches between single-stage dev and multi-stage prod builds. |
Docker Writer processes project metadata to ensure the generated files are compatible with standard Openclaw Skills automation patterns.
Docker Writer Advanced Features
- Multi-stage optimization flag to create high-performance, lean production images.
- Preview mode to validate the Dockerfile content before any file system changes occur.
- Custom directory targeting for managing monorepos or nested service folders.
- Automated layer caching logic to speed up subsequent Docker build commands.
- Integration-ready output designed to work seamlessly with other Openclaw Skills deployment tools.
SKILL.md
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