Ubuntu base image

The Docker Hub page

Image size 165 MB

Squashing images with docker-squash 107 MB

Image size if the image is built with --squash option 139 MB

Using the Makefile

$ make help
build				Build a Dockerfile
build-s				Build a Dockerfile with --squash option (experimental mode)
build-ds			Build a Dockerfile with docker-squash (need instelled docker-sqush)
run				Run image and start interactive bash session

How install docker-squash see github project page

Example

$ git clone git://github.com/dimmsd/docker-ubuntu-base.git
$ cd docker-ubuntu-base
$ cp .env.example .env
$ make build

Enable docker experimental mode

$ echo $'{\n    "experimental": true\n}' | sudo tee -a /etc/docker/daemon.json;
$ sudo systemctl restart docker

Run Docker commands without sudo

1. Add the docker group if it doesn't already exist

$ sudo groupadd docker

2. Add the connected user $USER to the docker group

Optionally change the username to match your preferred user.

$ sudo gpasswd -a $USER docker

3. Restart the docker daemon

$ sudo service docker restart
# OR
$ sudo service docker.io restart
# OR
$ sudo systemctl restart docker

4. Known Issues

$ WARNING: Error loading config file: /home/<user>/.docker/config.json: stat /home/<user>/.docker/config.json: permission denied
# Fix
$ sudo chown "$USER":"$USER" /home/"$USER"/.docker -R
$ sudo chmod g+rwx "/home/$USER/.docker" -R