https://docs.docker.com/get-started/
docker ps
docker run hello-world
docker start ttrssdb
docker run -d --link ttrssdb:db -p 2000:80 clue/ttrss
# list images
docker images
# delete image
docker rmi ID
# list running containers
docker container ls
# list all containers
docker container ls -a
# delete container
docker container rm ID
Create a new folder with the files to put in the image.
Create Dockerfile to describe how to build.
docker build -t somename .
# mapping machine's port 4000 to port 80 exposed with EXPOSE 80 in Dockerfile
docker run -p 4000:80 somename
# run in the background, detached
docker run -d -p 4000:80 somename
# verify it's running
docker ps
# get a new instance of a container's shell
docker exec -i -t ID /bin/bash