Show container resource usage docker
One-shot CPU and memory snapshot for all containers
docker stats --no-stream --format 'table {{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}'
more docker
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Remove dangling images
docker image prune -f
Remove everything unused
docker system prune -a --volumes -f
Copy file from container
docker cp <container>:/app/config.yaml ./local-config.yaml
Docker compose up detached
docker compose up -d --build --remove-orphans
Scale a compose service
docker compose up -d --scale worker=5