An advanced containerization extension delivering secured Docker templates, multi-stage build optimization, and battle-tested production blueprints.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install docker-plus
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-plus 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-plus?
The docker-plus utility is a comprehensive skill designed to bridge the gap between basic container setups and secure, high-performance production operations. Rather than building configurations from scratch, developers can instantly source highly optimized multi-stage build templates for Node.js, Python, Go, and Rust. These templates prioritize minimal output footprint, aggressive caching layers, and repeatable dependencies, ensuring a seamless transition from local development to production scale.
Integrating this tool as part of the wider Openclaw Skills portfolio allows developers to bake structural best practices directly into their deployment lifecycle. Key aspects such as CIS security benchmarks, resource limits, and complex multi-container orchestration with Docker Compose are configured dynamically, preventing security vulnerabilities and resource starvation in production environments.
docker-plus Use Cases
- Creating minimal-footprint, multi-stage production images for common frameworks like Node.js, Go, Python, and Rust.
- Securing containers against vulnerabilities by running applications under low-privilege non-root users and locking down file permissions.
- Setting up complex multi-tier services using Docker Compose configurations integrated with automated, sequence-safe health checks.
- Preventing Denial-of-Service or runtime resource abuse through explicit container memory, CPU, and process-ID constraints.
- Troubleshooting exited containers, managing logs, and tracking system health metrics directly from the CLI.
How docker-plus Works
- Template Selection: Choose a base programming language template customized for production builds.
- Multi-Stage Separation: Partition structural assets into build stages, generating lightweight runner layers that discard non-essential development tools.
- Hardening Enforcement: Apply automated security configurations, including setting up specialized low-privilege application groups, stripping package managers, and restricting folder access.
- Compose Coordination: Wire container dependency chains inside Docker Compose utilizing custom health checks to enforce correct service startup order.
- Deployment Optimization: Execute localized images using optimized resource parameters that actively monitor container health and control OOM risk.
docker-plus Setup
To leverage this capability within the ecosystem of Openclaw Skills, guarantee that Docker and Docker Compose are installed on your system.
# Verify your local runtime engine installations
docker --version
docker compose version
# Build an image using the optimized templates
docker build -t web-app-prod:latest -f Dockerfile .
# Launch with strict operational resource limits
docker run -d \
--name production-instance \
--memory="512m" \
--cpus="0.5" \
--pids-limit=100 \
-p 8080:8080 \
web-app-prod:latest
docker-plus Data Schema & Taxonomy
The skill manages configuration generation and runtime patterns using structured files inside the repository.
| Configuration Asset | Purpose | Output Location |
|---|---|---|
Dockerfile |
Multi-stage manifest defining compilation, build targets, and runtime privileges. | Project root |
docker-compose.yml |
Multi-container orchestration, persistent volumes, environment bindings, and resource boundaries. | Project root |
.dockerignore |
Defines build exclusions (e.g., node_modules, .git, secret files) to preserve context transfer speed. | Project root |
Hardening Details
- User Privileges: Evaluates UID/GID mapping at
1001:1001via explicit system user creation steps. - Filesystem Security: Active read-only application mounts utilizing directory lockdown protocols (
chmod 555). - Package Minimalization: Native cleanups running
apk add --no-cacheorapt-get purgecommands.
docker-plus Advanced Features
- CIS-Compliant Security Injection: Native configs to lock directories and run as non-root users inside all standard templates.
- Orchestration Health Dependencies: Prevent startup race conditions by configuring wait limits that verify target service status prior to application launch.
- Granular Kernel Limits: Block Out-of-Memory risks and thread starvation by applying CPU, swap memory, and process limits directly at launch.
- Continuous Probes: Integrated multi-stage health polling loops defining interval, timeout, and custom startup buffer parameters.
SKILL.md
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