add-devcontainer

Generate devcontainer configurations that pin tool versions and integrate with GitHub Actions.

Updated Jun 12, 2026
One-click install
npx skills add https://github.com/NicoVIII/claude-config --skill add-devcontainer
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: add-devcontainer
Source: https://github.com/NicoVIII/claude-config/tree/main/skills/add-devcontainer
Command: npx skills add https://github.com/NicoVIII/claude-config --skill add-devcontainer

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires jq, docker, devcontainer-cli, and includes references (resource) components.

What problem does it solve?

This skill eliminates the drift between local development environments and CI pipelines by creating a unified, containerized toolchain definition that ensures consistent behavior across all machines.

Core Features & Use Cases

  • Toolchain Pinning: Automatically maps project requirements to specific devcontainer features and pins exact patch versions to prevent environment drift.
  • CI Integration: Configures CI workflows to execute test suites directly within the container, ensuring the build environment matches the development environment.
  • Use Case: Use this when you need to standardize a project's build environment, containerize a legacy repo, or resolve discrepancies between local builds and CI failures.

Quick Start

Ask the assistant to add a devcontainer to the current repository to pin the toolchain and align the CI environment.

Frequently Asked Questions about add-devcontainer

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

FAQPage Schema
How do I fix environment drift between local development and CI pipelines?

Fix environment drift by generating a devcontainer configuration that pins exact tool versions and integrates with GitHub Actions. This standardizes the toolchain across all machines by validating image builds and executing test suites within the containerized environment.

How do I pin tool versions in a devcontainer configuration?

Pin tool versions in a devcontainer by mapping project requirements to specific container features. The configuration operates on a per-repository basis to pin exact patch versions and verify consistency to prevent environment drift.

Do I need Docker and devcontainer CLI to standardize a build environment?

Yes, you need Docker and the devcontainer CLI to standardize a build environment. These dependencies are required to validate image builds and execute test suites directly within the containerized development environment.

Can I run GitHub Actions test suites inside a devcontainer?

Yes, you can run GitHub Actions test suites inside a devcontainer. The configuration sets up CI workflows to execute test suites directly within the container, ensuring the build environment matches the development environment.

What's the best way to containerize a legacy repo with inconsistent builds?

The best way to containerize a legacy repo is generating a devcontainer configuration that maps build tools to specific container features. This standardizes the development environment and resolves discrepancies between local builds and CI failures.

Why does my CI pipeline fail when local builds pass?

CI pipelines fail when local builds pass due to environment drift between local development and CI. Generating a unified devcontainer toolchain definition eliminates this drift by ensuring consistent behavior and matching build environments across all machines.