# Docker Web

> Docker Web is an Agent Skill for devops & security published in the a5c-ai/babysitter repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Docker containerization for web apps, multi-stage builds, and optimization.

- Skill name: `docker-web`
- Category: [DevOps & Security](https://www.openparable.com/skill/devops-security/1)
- Source: https://github.com/a5c-ai/babysitter/blob/HEAD/library/specializations/web-development/skills/docker-web/SKILL.md
- Repository: a5c-ai/babysitter (1,548 GitHub stars when collected)

## SKILL.md

# Docker Web Skill

Expert assistance for containerizing web applications.

## Capabilities

- Create multi-stage Dockerfiles
- Optimize image size
- Configure for production
- Handle Node.js apps
- Set up docker-compose

## Dockerfile

```dockerfile
# Build stage
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

# Production stage
FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
COPY --from=builder /app/package*.json ./
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public
EXPOSE 3000
CMD ["npm", "start"]
```

## Target Processes

- containerization
- production-deployment
- ci-cd-setup

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Source: https://www.openparable.com/skill/devops-security/docker-web (OpenParable). Cite the canonical URL above.