dockerignore-generator

Generate .dockerignore files for Node.js, Python, and general projects.

Updated Dec 17, 2025
One-click install
npx skills add https://github.com/ehtbanton/ClaudeSkillsRepo --skill dockerignore-generator
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: dockerignore-generator
Source: https://github.com/ehtbanton/ClaudeSkillsRepo/tree/main/dockerignore-generator
Command: npx skills add https://github.com/ehtbanton/ClaudeSkillsRepo --skill dockerignore-generator

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill helps optimize Docker build times and reduce image sizes by automatically generating a .dockerignore file, preventing unnecessary files from being copied into the build context.

Core Features & Use Cases

  • Automatic .dockerignore Generation: Creates a comprehensive .dockerignore file tailored to common project types.
  • Best Practice Adherence: Follows Docker best practices for file exclusion.
  • Use Case: When starting a new Node.js project, use this Skill to quickly generate a .dockerignore file that excludes node_modules, build artifacts, and development logs.

Quick Start

Generate a dockerignore file for a Node.js project.

Frequently Asked Questions about dockerignore-generator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate a .dockerignore file to optimize Docker build context?

To generate a .dockerignore file and optimize Docker build context, this Skill automatically creates exclusion rules tailored to your project type, preventing unnecessary files like node_modules or build artifacts from being copied into the image.

Why does my Docker image size keep growing and how does a .dockerignore file help?

Your Docker image size grows because unnecessary files are copied into the build context, but a .dockerignore file prevents this bloat by explicitly excluding development logs, artifacts, and local dependencies from the image creation process.

Can I automatically create a .dockerignore file for a Node.js or Python project?

Yes, you can automatically create a .dockerignore file for a Node.js or Python project, as this Skill applies best practice exclusion patterns tailored to various development environments and their specific build artifacts.

What is the best way to exclude development logs and build artifacts from Docker builds?

The best way to exclude development logs and build artifacts from Docker builds is by using a generated .dockerignore file, which applies Docker best practices to filter out unnecessary files and reduce build context overhead.

Does a .dockerignore file actually speed up Docker build times?

Yes, a .dockerignore file speeds up Docker build times by preventing the Docker daemon from processing unnecessary files in the build context, which reduces overhead and ensures efficient Docker image creation.

What files should I put in a .dockerignore file for general development environments?

For general development environments, a .dockerignore file should exclude node_modules, build artifacts, development logs, and other project-specific unnecessary files to prevent build context bloat and optimize image creation.