Docker Basic Commands

These days I setup a CI-Server using Jenkins and Docker. I decided to go with Docker since I didn't want to 'pollute' my local machine further 😅. Another reason for using Docker is that the setup is easier to understand once (once it is done) because everything is managed in its own environment.

I have to admit that I still don't know much about Docker and therefore I always spend a lot of time for googling the commands I need. For that reason, let's use today's post to summarize the commands I use the most:

1. docker build -t my-image .

   ~> Create an image from a Dockerfile.

2. docker images

   ~> Show all images.

3. docker run --name my-container my-image

   ~> Derive container from an image, name and run it.

4. docker run --name my-container -p 8080:8080 my-image

   ~> Run a container and publish port 8080 to the host machine.

5. docker ps

   ~> List all running containers.

6. docker ps -a

   ~> List all containers.

7. docker stop my-container

   ~> Stop a container 🙃

8. docker exec -i -t my-container /bin/sh

   ~> Connect to container 'my-container' and run a shell.

BTW: This post could have been online for at least half an hour, but unfortunately I broke my Node.js version in an update today, so the blog can't be built anymore. Maybe I should also run my blog with docker containers? 🤔

See you tomorrow!