Some of my notes about how I use Docker.
Create a Dockerfile:
FROM ubuntu # Install whatever you need. RUN apt-get update RUN apt-get -y install apache2 php # ...etc. WORKDIR "/work" # Start services that you need when you run the container. The last should be bash if you want to log in. ENTRYPOINT service mysql start \ && apachectl graceful \ && /bin/bash
Create an image (tagged
docker build -t myimage .
View it and any others:
Remove an image:
docker rmi <leading-unique-part-of-image-id>
Run an image, mounting the current directory as
/work (note that you can't specify the host-dir of the volume in the Dockerfile, so it has to be done at run-time). The port mapping is
docker run -it --rm -v $PWD:/work -p81:80 myimage
Show existing containers:
docker ps -a
Remove a container:
docker rm <leading-unique-part-of-container-id>
Start a new MySQL container, which can be accessed at 127.0.0.1:3305 and which has its data in a local volume:
docker run -it -e MYSQL_ROOT_PASSWORD=pwd123 -p3305:3306 -v$PWD/mysqldata:/var/lib/mysql mysql
Note that because we're keeping local data, root's password is only set on the first set-up, and so can be left off in future commands.