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Clarify Container Registry Docs #3199

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Clarify Container Registry Docs #3199

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13 changes: 10 additions & 3 deletions docs/container_registry.md
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Original file line number Diff line number Diff line change
Expand Up @@ -65,11 +65,18 @@ creation. This information is not used at all.

#### Update docker-compose.yml

> [!important]
> Docker Registry v3 is currently not compatible with the JWT tokens signed by GitLab.
> The example below uses `registry:2` to avoid issues in validating the token.
>
> Alternatively, you can generate a JWKS file and specify it as `REGISTRY_AUTH_TOKEN_JWKS`
> to run `registry:latest`. Further information can be found [here](https://github.com/cesanta/docker_auth/issues/386).

First add the configuration for the registry container to your `docker-compose.yml`.

```yaml
registry:
image: registry
image: registry:2
restart: always
expose:
- "5000"
Expand Down Expand Up @@ -251,7 +258,7 @@ storage:
...
registry:
restart: always
image: registry:2.4.1
image: registry:2.8.3
volumes:
- ./certs:/certs
environment:
Expand Down Expand Up @@ -365,7 +372,7 @@ docker run --name registry -d \
--env 'REGISTRY_AUTH_TOKEN_ISSUER=gitlab-issuer' \
--env 'REGISTRY_AUTH_TOKEN_ROOTCERTBUNDLE=/certs/registry-auth.crt' \
--env 'REGISTRY_STORAGE_DELETE_ENABLED=true' \
registry:2.4.1
registry:2.8.3
```

- **Step 6**: Start the image
Expand Down