DevOps-Security-Agent-Skills/devops/containers/docker-management/references/docker-commands.md

Docker Command Reference

Container Lifecycle

# Run container
docker run -d --name myapp -p 8080:80 nginx
docker run -it --rm ubuntu bash

# Start/Stop
docker start myapp
docker stop myapp
docker restart myapp

# Remove
docker rm myapp
docker rm -f myapp  # Force

# Logs
docker logs myapp
docker logs -f myapp        # Follow
docker logs --tail 100 myapp

Images

# List/Pull/Build
docker images
docker pull nginx:latest
docker build -t myapp:1.0 .
docker build -t myapp:1.0 -f Dockerfile.prod .

# Tag/Push
docker tag myapp:1.0 registry.example.com/myapp:1.0
docker push registry.example.com/myapp:1.0

# Remove
docker rmi myapp:1.0
docker image prune -a  # Remove unused

Inspection

# Container info
docker ps
docker ps -a
docker inspect myapp
docker stats
docker top myapp

# Exec into container
docker exec -it myapp bash
docker exec myapp ls -la /app

Networks

# List/Create
docker network ls
docker network create mynet

# Connect container
docker network connect mynet myapp
docker run --network mynet nginx

Volumes

# List/Create
docker volume ls
docker volume create mydata

# Mount
docker run -v mydata:/data nginx
docker run -v $(pwd):/app nginx
docker run --mount type=bind,source=$(pwd),target=/app nginx

Cleanup

# Remove stopped containers
docker container prune

# Remove unused images
docker image prune -a

# Remove everything unused
docker system prune -a --volumes

# Disk usage
docker system df

Multi-stage Build

FROM node:20 AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

FROM nginx:alpine
COPY --from=builder /app/dist /usr/share/nginx/html