Quick reference for common Docker + Docker Compose commands.

• docker ps

  List all running docker containers.

• docker ps -a

  List all docker containers, including stopped ones.

• docker images

  List all docker images.

• docker logs -f {container_id}

  See logs of the running container in real time.

• docker build -t {image_name} .

  Build a docker image from the Dockerfile in the current directory.

• docker run -it {image_name}

  Run the Docker image in interactive mode with a terminal session.

• docker run -it -v {folder-path}:/app {image_name}

  Run the image and mount a host directory into the container. used if we want files generated in the container to appear in the host directory.

• docker stop {container_id}

  Stop a running container.

• docker rmi -f {image_id}

  Delete an image (-f forces deletion even if it’s used by a stopped container).

• docker inspect {container_name/id}

  Return container details in JSON format.

• docker stats

  Show real-time resource usage of containers.

• docker container prune

  Remove all stopped containers.

• docker image prune

  Remove all dangling images. (Docker won’t prune dangling images that still have containers, even if they’re not running. Use docker container prune first.)

• docker search {image_name}

  Search for an image on Docker Hub and display stats.

• docker pull {image_name}

  Pull images from Docker Hub.

• docker login

  Log in to your Docker Hub account.

• docker push {docker_hub_repo}:{tag_name}

  Push an image to Docker Hub.

• docker image tag {old_image_name} {new_image_name}

  Rename (re-tag) an image.

• docker-compose up -d

  Start services in the background. It won’t rebuild images if they already exist.

• docker-compose up --build

  Start services, rebuild images even if they exist, and attach logs to the terminal.

• docker-compose down

  Stop and remove containers started by docker-compose.

• docker-compose restart {container_name}

  Restart a service container managed by docker-compose.

• sudo usermod -aG docker {USER}

  Add a user to the docker group (changes apply after re-login, or use newgrp docker).

• getent group docker

  Get list of users who are part of the docker group.