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diun/docs/install/docker.md

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# Installation with Docker
Diun provides automatically updated Docker :whale: images within [Docker Hub](https://hub.docker.com/r/crazymax/diun).
It is possible to always use the latest stable tag or to use another service that handles updating Docker images.
Following platforms for this image are available:
```shell
$ docker run --rm mplatform/mquery crazymax/diun:latest
Image: crazymax/diun:latest
* Manifest List: Yes
* Supported platforms:
- linux/amd64
- linux/arm/v6
- linux/arm/v7
- linux/arm64
- linux/386
- linux/ppc64le
- linux/s390x
```
This reference setup guides users through the setup based on `docker-compose`, but the installation of `docker-compose`
is out of scope of this documentation. To install `docker-compose` itself, follow the official
[install instructions](https://docs.docker.com/compose/install/).
## Volumes
| Path | Description |
|--------------------|---------------|
| `/data` | Contains bbolt database which retains Docker images manifests |
## Usage
```yaml
version: "3.5"
services:
diun:
image: crazymax/diun:latest
container_name: diun
volumes:
- "./data:/data"
- "/var/run/docker.sock:/var/run/docker.sock"
environment:
- "TZ=Europe/Paris"
- "LOG_LEVEL=info"
- "LOG_JSON=false"
- "DIUN_WATCH_WORKERS=20"
- "DIUN_WATCH_SCHEDULE=*/30 * * * *"
- "DIUN_PROVIDERS_DOCKER=true"
- "DIUN_PROVIDERS_DOCKER_WATCHSTOPPED=true"
labels:
- "diun.enable=true"
- "diun.watch_repo=true"
restart: always
```
Edit this example with your preferences and run the following commands to bring up Diun:
```shell
$ docker-compose up -d
$ docker-compose logs -f
```
Or use the following command:
```shell
$ docker run -d --name diun \
-e "TZ=Europe/Paris" \
-e "LOG_LEVEL=info" \
-e "LOG_JSON=false" \
-e "DIUN_WATCH_WORKERS=20" \
-e "DIUN_WATCH_SCHEDULE=*/30 * * * *" \
-e "DIUN_PROVIDERS_DOCKER=true" \
-e "DIUN_PROVIDERS_DOCKER_WATCHSTOPPED=true" \
-v "$(pwd)/data:/data" \
-v "/var/run/docker.sock:/var/run/docker.sock" \
-l "diun.enable=true" \
-l "diun.watch_repo=true" \
crazymax/diun:latest
```
To upgrade your installation to the latest release:
```shell
$ docker-compose pull
$ docker-compose up -d
```
If you prefer to rely on the configuration file instead of environment variables:
```yaml
version: "3.5"
services:
diun:
image: crazymax/diun:latest
volumes:
- "./data:/data"
- "./diun.yml:/diun.yml:ro"
- "/var/run/docker.sock:/var/run/docker.sock"
environment:
- "CONFIG=/diun.yml"
- "TZ=Europe/Paris"
- "LOG_LEVEL=info"
- "LOG_JSON=false"
restart: always
```
```yaml
# ./diun.yml
watch:
workers: 20
schedule: "*/30 * * * *"
providers:
docker:
watchStopped: true
```