docker

name	docker
description	Container operations.
license	MIT
metadata	{"author":"vant","version":"1.0"}

Docker

Container operations.

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When To Use

• Build images
• Run containers
• Local dev

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What To Do

1. Start Docker

sudo dockerd > /tmp/docker.log 2>&1 &
sleep 5

2. Common Commands

Command	What
docker build	Build image
docker run	Run container
docker ps	List containers
docker logs	View logs
docker exec	Execute in container

3. Dockerfile

FROM node:18
WORKDIR /app
COPY . .
RUN npm install
CMD ["node", "index.js"]

4. Compose

version: '3'
services:
  app:
    build: .
    ports:
      - "3000:3000"

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Output

## Docker

| Image | Size | Status |
|-------|------|--------|
| [name] | [n]MB | [READY] |

### Containers
- [list]

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Role: Docker Operator
Input: Dockerfile
Output: Containers

Containers are portable.