102 lines
2.7 KiB
Markdown
102 lines
2.7 KiB
Markdown
# Docker
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The docker image will run matrix-alertbot with a SQLite database and
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end-to-end encryption dependencies included. For larger deployments, a
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connection to a Postgres database backend is recommended.
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## Setup
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### The `/data` volume
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The docker container expects the `config.yaml` file to exist at
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`/data/config.yaml` . To easily configure this, it is recommended to create a
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directory on your filesystem, and mount it as `/data` inside the container:
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```
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mkdir data
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```
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We'll later mount this directory into the container so that its contents
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persist across container restarts.
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### Creating a config file
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Copy `config.sample.yaml` to a file named `config.yaml` inside of your newly
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created `data` directory. Fill it out as you normally would, with a few minor
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differences:
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* The bot store directory should reside inside of the data directory so that it
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is not wiped on container restart. Change it from the default to
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`/data/store` . There is no need to create this directory yourself, it will be
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created on startup if it does not exist.
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* The bot cache directory should reside inside of the data directory as well,
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so that alerts and silences related informations are not wiped on container
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restart. Change it from the default to `/data/cache` .
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There is no need to create this directory yourself, it will be created on
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startup if it does not exist.
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Change any other config values as necessary. For instance, you may also want to
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store log files in the `/data` directory.
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## Running
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First, create a volume for the data directory created in the above section:
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```
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docker volume create \
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--opt type=none \
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--opt o=bind \
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--opt device="/path/to/data/dir" matrix-alertbot
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```
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Start the bot with:
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```
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docker-compose up --build
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```
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This will run the bot and log the output to the terminal. You can instead run
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the container detached with the `-d` flag:
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```
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docker-compose up -d --build
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```
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(Logs can later be accessed with the `docker-compose logs` command).
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This will build an optimized, production-ready container.
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## Systemd
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A systemd service file is provided for your convenience at
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[matrix-alertbot.service](matrix-alertbot.service). The service uses
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`docker-compose` to start and stop the bot.
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Copy the file to `/etc/systemd/system/matrix-alertbot.service` and edit to
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match your setup. You can then start the bot with:
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```
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systemctl start matrix-alertbot
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```
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and stop it with:
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```
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systemctl stop matrix-alertbot
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```
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To run the bot on system startup:
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```
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systemctl enable matrix-alertbot
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```
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## Building the image
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To build a production image from source, use the following `docker build` command
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from the repo's root:
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```
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docker build -t neutrinet/matrix-alertbot:latest -f docker/Dockerfile .
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```
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