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Working with docker command:
- Run Alpine container with bash
docker run -it alpine
docker run -it alpine echo AAA
- Run docker tutorial command (in docker)
docker run -dp 80:80 docker/getting-started
This demonstrates port mapping
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Very basic Workflows
docker images
Dockerfile
docker build -t todo-list-manager .
docker ps
docker run -dp 3000:3000 todo-list-manager
docker stop <the-container-id>
docker rm <the-container-id>
docker rm -f <the-container-id>
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Docker volumes - Named volumes
docker volume create todo-db
docker run -dp 3000:3000 -v todo-db:/etc/todos todo-list-manager
docker volume inspect todo-db
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Docker volumes - Bind Mounts
docker run -dp 3000:3000 \
    -w /app -v "$(pwd):/app" \
    node:22-alpine \
    sh -c "yarn install && yarn run dev"
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Docker networking
docker network create todo-app
docker run -d \
    --network todo-app --network-alias mysql \
    -v todo-mysql-data:/var/lib/mysql \
    -e MYSQL_ROOT_PASSWORD=secret \
    -e MYSQL_DATABASE=todos \
    mysql:8.0

docker run -dp 3000:3000 \
  -w /app -v "$(pwd):/app" \
  --network todo-app \
  -e MYSQL_HOST=mysql \
  -e MYSQL_USER=root \
  -e MYSQL_PASSWORD=secret \
  -e MYSQL_DB=todos \
  node:22-alpine \
  sh -c "yarn install && yarn run dev"

docker logs <container-id>
docker exec -it <mysql-container-id> mysql -p todos
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Docker Compose
docker-compose.yml
docker-compose up -d
docker-compose logs
docker-compose down 
	(--volumes)
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Layers and good practices
How layers work, Layer caching
Good practices writing Dockerfile

docker image history

docker scout cves todo-list-manager

.dockerignore
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Docker registry
docker tag getting-started YOUR-USER-NAME/todo-list-manager
docker push YOUR-USER-NAME/todo-list-manager
docker run -dp 3000:3000 YOUR-USER-NAME/todo-list-manager
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