# troubleshooting-basics

> Use this when a deploy fails, the service crashes on start, or health checks time out. Keep fixes minimal and redeploy after each change.

- Source: https://doutorai.pt/en/components/skills__troubleshooting-basics
- Type: Skills
- Category: Development
- Downloads: 0
- Site: Doutor AI (https://doutorai.pt/en) - AI tools for small businesses

An open-source community component, curated and adapted by Doutor AI.

## What it does and how to use it

A **skill** that teaches Claude Code to do development tasks well. It is packaged knowledge the model uses whenever it is relevant.

1. Install the skill (command above).
2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
3. No commands to memorize: you talk in plain language and the skill does the rest.

## Install (Claude Code)

```bash
mkdir -p .claude/skills/troubleshooting-basics && curl -fsSL https://doutorai.pt/data/lib/skills__troubleshooting-basics.md -o .claude/skills/troubleshooting-basics/SKILL.md
```

Paste this command into the terminal, in your project folder, and the component installs automatically.

## Content

```
# Basic troubleshooting (deploy-time and startup)

Use this when a deploy fails, the service crashes on start, or health checks time out.
Keep fixes minimal and redeploy after each change.

## 1) Classify the failure

- **Build failure**: errors in build logs, missing dependencies, build command issues.
- **Startup failure**: app exits quickly, crashes, or cannot bind to `$PORT`.
- **Runtime/health failure**: service is live but health checks fail or 5xx errors.

## 2) Quick checks by class

**Build failure**
- Confirm the build command is correct for the runtime.
- Ensure required dependencie

- 🔒 Full content on the Pro plan (€7.99/month) -
```

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Content by Doutor AI (https://doutorai.pt/en). When quoting, please cite the source: https://doutorai.pt/en/components/skills__troubleshooting-basics