Install and run Docker on a Raspberry Pi
I installed a fresh copy of Raspbian (2018-03-13-raspbian-stretch.img) and added an empty file named ssh to the root of the SD to enable ssh by default.
Fire up the Pi connect to your network via cable, then ssh into it and set a new password with
$ sudo raspi-config, config the rest and reboot.
$ sudo apt update && sudo apt upgrade
$ curl -sSL https://get.docker.com | sh
After a succesful installation, Docker prints:
If you would like to use Docker as a non-root user, you should now consider adding your user to the "docker" group with something like: sudo usermod -aG docker pi Remember that you will have to log out and back in for this to take effect! WARNING: Adding a user to the "docker" group will grant the ability to run containers which can be used to obtain root privileges on the docker host. Refer to https://docs.docker.com/engine/security/security/#docker-daemon-attack-surface for more information.
So, you need to
$ sudo usermod -aG docker pi (as long as pi is your current username) and reboot.
In my case Docker service starts by default, if your’s doesn’t then:
$ sudo systemctl enable docker and cold start Docker daemon
$ sudo systemctl start docker.
Install Docker Compose
$ sudo pip install docker-compose that’s it, that’s all :-)
A word on Architectures
ARM vs x86
Do not forget to use packages/containers/builds that support both architectures in order to run platform independent.
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