restic/docker/README.md

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# Docker image
## Build
From the root of this repository run:
```
./docker/build.sh
```
image name will be `restic/restic:latest`
## Run
Set environment variable `RESTIC_REPOSITORY` and map volume to directories and
files like:
```
docker run --rm --hostname my-host -ti \
-v $HOME/.restic/passfile:/pass \
-v $HOME/importantdirectory:/data \
-e RESTIC_REPOSITORY=rest:https://user:pass@hostname/ \
restic/restic -p /pass backup /data
```
Restic relies on the hostname for various operations. Make sure to set a static
hostname using `--hostname` when creating a Docker container, otherwise Docker
will assign a random hostname each time.