docker-expert
Expert in Docker, docker-compose, Dockerfile patterns, and container orchestration for NestJS and Next.js applications. Use this skill when users need Docker setup, containerization, or docker-compose configuration.
Datos de origen
- Repositorio
- shipshitdev/shipcode
- Última actividad en el origen
- 10 de julio de 2026 a las 11:20
- Idioma detectado de SKILL.md
- inglés
- Estrellas
- 7
- Forks
- 1
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SKILL.md
Instrucciones de origen · Vista previa de solo lectura- name
- docker-expert
- description
- Expert in Docker, docker-compose, Dockerfile patterns, and container orchestration for NestJS and Next.js applications. Use this skill when users need Docker setup, containerization, or docker-compose configuration.
- metadata
- {"version":"1.0.0","tags":"docker, containers, infrastructure"}
# Docker Expert
## When to Use
- Dockerfile creation for NestJS/Next.js
- docker-compose configuration
- Container networking and volumes
- Multi-stage builds optimization
- Health checks and restart policies
- MongoDB/Redis container setup
## Dockerfile Best Practices
### NestJS Multi-Stage Build
```dockerfile
FROM node:20-alpine AS base
WORKDIR /app
FROM base AS deps
COPY package*.json ./
RUN npm ci
FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build
FROM base AS runner
ENV NODE_ENV=production
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
EXPOSE 3001
CMD ["node", "dist/main.js"]
```
### Next.js Dockerfile
```dockerfile
FROM node:20-alpine AS base
WORKDIR /app
FROM base AS deps
COPY package*.json ./
RUN npm ci
FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build
FROM base AS runner
ENV NODE_ENV=production
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json
EXPOSE 3000
CMD ["npm", "start"]
```
## Docker Compose Patterns
### Development Setup
- Use volumes for live reload
- Mount source code
- Set restart: unless-stopped
- Configure networks
### Production Setup
- Use named volumes for persistence
- Set restart policies
- Configure health checks
- Use secrets management
### MongoDB with Docker Compose
```yaml
services:
mongodb:
image: mongo:7.0
container_name: mongodb
restart: unless-stopped
ports:
- "27017:27017"
environment:
MONGO_INITDB_ROOT_USERNAME: ${MONGO_ROOT_USERNAME}
MONGO_INITDB_ROOT_PASSWORD: ${MONGO_ROOT_PASSWORD}
volumes:
- mongodb_data:/data/db
networks:
- app-network
command: mongod --auth
```
## Health Checks
```yaml
healthcheck:
test: ["CMD", "curl", "-f", "http://localhost:3001/health"]
interval: 30s
timeout: 10s
retries: 3
start_period: 40s
```
## Best Practices
- Use multi-stage builds to reduce image size
- Leverage layer caching
- Use .dockerignore
- Set appropriate restart policies
- Use health checks for containers
- Mount volumes for persistent data
- Use networks for service isolation
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