Docker First Steps
Installation
apt-get install -y apt-transport-https ca-certificates surl software-properties-common
If needed import the docker repo
apt-get update
Install Docker
apt-get install docker-ce
Useful commands
Information
docker info
Check Version of client and server
docker version
Search images (usually from hub.docker.com)
docker search image
Get images you want to run
docker pull image
Show the images
docker image
Run an image in a container
docke run image
Stop the container
docker stop web01
Remove the image
docker rm image
Hello world example
Search images
docker search image
Run Hello World (Shows a Hello World message on the commandline)
docker pull hello-world
docker run hello-world
Get rid of it
docker rm hello-world
HTTPD Example
Run httpd webserver
docker pull httpd
docker run httpd
Run http and expose it to the outside world (-p container:host)
docker run -p 80:80 --name web01 -d httpd
Show running containers
docker ps
Get stuff from the webserver
curl localhost
Remove the container
docker rm web01