docker-build-debugger

Name: docker-build-debugger
Availability: InStock
Author: MSBart2

Diagnose Dockerfile build failures in Node.js projects with targeted fixes.

2|9|Updated Dec 17, 2025

Search Tags:#docker #dockerfile #nodejs #build-debugging #workdir #layer-caching

Ready to run

npx skills add https://github.com/MSBart2/CopilotTraining --skill docker-build-debugger

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Please help me install this Agent Skill.
Skill: docker-build-debugger
Source: https://github.com/MSBart2/CopilotTraining/tree/main/workshop/examples/completed-config/skills/docker-build-debugger
Command: npx skills add https://github.com/MSBart2/CopilotTraining --skill docker-build-debugger

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Diagnoses Dockerfile build failures in Node.js projects by identifying common patterns such as COPY order, layer caching, and context issues, then suggests practical fixes.

Core Features & Use Cases

Detects misordered COPY commands and inefficient layer caching in Dockerfiles for Node.js apps
Validates WORKDIR and build context to prevent ENOENT and build-time errors
Provides actionable remediation steps and optional templates to accelerate Dockerfile debugging

Quick Start

Run the analyzer against your Dockerfile to receive a report of common issues and recommended fixes.

Frequently Asked Questions about docker-build-debugger

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

FAQPage Schema

How do I fix Dockerfile build failures caused by misordered COPY commands in Node.js?▼

Resolve Docker build context errors by validating WORKDIR presence and COPY ordering in your Node.js project. The analyzer checks Dockerfiles for proper context setup and suggests targeted fixes to prevent ENOENT errors.

Why does my Node.js Docker build fail due to layer caching issues?▼

Node.js Docker builds fail when layer caching patterns are inefficient or misconfigured. A diagnostic script evaluates Dockerfile caching behavior and recommends concrete fixes to optimize build workflows.

How do I validate WORKDIR and build context to prevent ENOENT errors in Docker?▼

Validate WORKDIR and build context to prevent ENOENT errors by applying a diagnostic analyzer to your Dockerfile. It checks for proper directory setup and context configuration, then outputs actionable remediation steps.

What is the best way to diagnose Docker build failures in Node.js projects?▼

The best way to diagnose Docker build failures in Node.js projects is using a reusable diagnostic script that checks Dockerfiles for WORKDIR presence, COPY ordering, and caching patterns to suggest targeted fixes.

Can I use this Docker build debugger for both development and production Node.js workflows?▼

Yes, you can apply this Docker build debugger to both development and production workflows. It diagnoses Node.js Dockerfile failures across environments by checking COPY order and caching patterns to provide concrete remediation steps.