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Get going with Home Assistant on Docker - compose file and base config files to give you a quick start

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artmg/home-assistant-docker

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Docker compose / autobuild License: MIT

A simple way to try Home Assistant on the Docker platform, or to migrate your existing Home Assistant configuration onto new servers using Docker Compose.

Get started with HA on Docker

Here is a basic setup that anyone can use to get started with Home Assistant in Docker Containers. This is not the final configuration, but a jump-off point if you want to make the leap to Docker. I came from a python venv setup and, once I'd ironed out the issues by using these config files, I was surprised at how quick and simple it was to do things with Docker.

This is a really simple Docker compose stack. These configs give you a vanilla install, but using three separate containers for the classic split of web front-end, application layer and database back-end. From here you can add your own configuration yaml files on top, and it works really well as a starting point for a git repository, allowing you to come back and rebuild this deployment from scratch very quickly.

Quick start with docker

Prequisites

All you need to get going with this is:

If you don't already have these, click on those links above for step-by-step instructions on each.

Then set up the folder heirarchy:

ROOTDIR=/srv/docker

sudo mkdir -p $ROOTDIR/
# if issues consider 
# sudo chmod 777 -R $ROOTDIR/
sudo chown $USER:$USER -R $ROOTDIR/
mkdir -p $ROOTDIR/data/
mkdir -p $ROOTDIR/data/secrets
mkdir -p $ROOTDIR/config/

# make it easy to get to your configs
ln -s /srv/docker/config ~/cfg

Clone this repository

Then simply clone this repo. Note the dot at the end of the git command that clones into the current folder.

cd ~/cfg
git clone https://github.com/artmg/home-assistant-docker.git .

You can start, if you wish, with the Portainer GUI to help you check status and diagnose

docker/portainer/compose.sh

Configure your Home Assistant environment

You will need to provide:

Then simply run the docker compose

cd $ROOTDIR/config/docker/compose
docker-compose up -d

Providing your server can see the internet it will pull down all the docker images, set up the virtual networks, create the volumes and containers, and start them running.

All you need do now is to point your browser to http://servername and you should see the Home Assistant start page appear.

Welcome to the world of Home Assistant running on Docker.

Why use this?

Many people start off on a hobbyist device like a Raspberry Pi and then realise that they want more reliability or power. When moving to a 'NUC' mini-pc, or an old PC they have available they realise that their device can cope with more services and Docker is a common deployment method that allows diversity in a single physical box.

This repo is intended as a stepping stone, to help users new to Docker to migrate their configurations into a working environment as easily as possible.

What else can I do?

If you want to try this out, simply clone the repo to your device.

If you want to use it to transform your config onto a Docker platform, then fork it to your own repo and begin adding your own code.

Note that forked repos are public by default. You should consider either making your fork private, or at least being careful with the details of your own environment that you make public.

But why should I use Docker?

You will find plenty of people who say how great it is to run HA on Docker because of X, Y or Z.

For me, however, the most simple and powerful reason is because I can reinstall my server from bare-metal to a fully working config in a very short period of time (most of which I can be watching a movie in the background)

Because I store my configuration in a version-controlled git repo, I know it is going to work just like before. This gives an incredible flexibility to move, upgrade, test, tinker... I am no longer bound up inside the box that I spent all that time making things work in.

  • Freedom - Flexibility - Resilience

What next?

HACS

If you want to use the Home Assistant Community Store to find integrations, the recommended installation method is download inside the container

Use the HACS container itself, to ensure that you have a known environment in which to run the script:

docker exec -it compose_homeassistant_1 bash

# wait for the bash-x.y$ prompt then paste in...

wget -O - https://get.hacs.xyz | bash -

# you should see lots of lovely green INFO messages 
# rather than rude red ERRORS
# afterwards leave the container

exit

# check that hacs is there
ls ~/cfg/hass/custom_components

# and then, as the HACS installer recommends, restart HA
./restart-ha.sh

Now, in your Integrations page http://docker-host/config/integrations you can search and add the HACS integration.

Documentation To Do

Yes, it's still a Work in Progress :)

How to contribute

This project welcomes:

  • Pull Requests (PRs), but please remember this is supposed to be a shell configuration as a starting point for other user's own configuration.
  • suggestions of how to separate the shell from other individual / personalised configuration elements
  • Test Scripts - ideas for how to validate that this basic shell comes up as expected
  • ideas for what optional basic containers to include, and the simplest way (for users) to integrate them

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