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Basic Docker Commands with Example Use Cases

Below is a list of basic Docker commands along with examples of their usage.

1. docker run​

Starts a new container from an image.

docker run -d --name my_container my_image

This command starts a container named my_container in detached mode (-d) from the my_image image.

2. docker build​

Builds a Docker image from a Dockerfile.

docker build -t my_image:latest .

This command builds an image from the current directory (.) and names it my_image with the tag latest.

3. docker ps​

Displays a list of running containers.

docker ps

This command shows all running containers, their IDs, names, and statuses.

4. docker stop​

Stops a running container.

docker stop my_container

This command stops the container named my_container.

5. docker rm​

Removes a stopped container.

docker rm my_container

This command removes the container named my_container.

6. docker rmi​

Removes a Docker image.

docker rmi my_image:latest

This command removes the image named my_image with the tag latest.

7. docker pull​

Downloads an image from a Docker registry (e.g., Docker Hub).

docker pull ubuntu:latest

This command pulls the ubuntu image with the latest tag from Docker Hub.

8. docker push​

Uploads an image to a Docker registry.

docker push myrepo/my_image:latest

This command pushes the image my_image with the latest tag to the myrepo registry.

9. docker exec​

Executes a command in a running container.

docker exec -it my_container bash

This command opens an interactive bash shell in the running container my_container.

10. docker logs​

Displays logs from a running container.

docker logs my_container

This command shows the logs from the container named my_container.

11. docker network create​

Creates a new Docker network.

docker network create my_bridge_network

This command creates a bridge network named my_bridge_network.

12. docker network ls​

Lists all Docker networks.

docker network ls

This command lists all Docker networks available on the host.

13. docker-compose up​

Starts containers defined in a docker-compose.yml file.

docker-compose up -d

This command starts all containers defined in the docker-compose.yml file in detached mode (-d).

14. docker-compose down​

Stops and removes containers, networks, and volumes defined in a docker-compose.yml file.

docker-compose down

This command stops and removes all resources defined in the docker-compose.yml file.

These basic Docker commands help with the daily management of containers, images, and networks. With them, you can easily start, stop, remove, and monitor containerized applications.