Add quay.io as fallback registry

Author: cimnine

.github/workflows/release.yml

@@ -50,3 +50,34 @@ jobs:
       name: Logout of the Docker Registry
       run: docker logout "${DOCKER_REGISTRY}"
       if: steps.docker-build.outputs.skipped != 'true'
+
+    # Quay.io
+    - id: quayio-docker-build
+      name: Build the image with '${{ matrix.build_cmd }}'
+      run: ${{ matrix.build_cmd }}
+      env:
+        DOCKER_REGISTRY: quay.io
+        GH_ACTION: enable
+    - id: quayio-registry-login
+      name: Login to the Quay.io Registry
+      run: |
+        echo "::add-mask::$QUAYIO_USERNAME"
+        echo "::add-mask::$QUAYIO_PASSWORD"
+        docker login -u "$QUAYIO_USERNAME" --password "${QUAYIO_PASSWORD}" "${DOCKER_REGISTRY}"
+      env:
+        DOCKER_REGISTRY: quay.io
+        QUAYIO_USERNAME: ${{ secrets.quayio_username }}
+        QUAYIO_PASSWORD: ${{ secrets.quayio_password }}
+      if: steps.docker-build.outputs.skipped != 'true'
+    - id: quayio-registry-push
+      name: Push the image
+      run: ${{ matrix.build_cmd }} --push-only
+      env:
+        DOCKER_REGISTRY: quay.io
+      if: steps.docker-build.outputs.skipped != 'true'
+    - id: quayio-registry-logout
+      name: Logout of the Docker Registry
+      run: docker logout "${DOCKER_REGISTRY}"
+      env:
+        DOCKER_REGISTRY: quay.io
+      if: steps.docker-build.outputs.skipped != 'true'

README.md

@@ -10,19 +10,20 @@
 [![GitHub license](https://img.shields.io/github/license/netbox-community/netbox-docker)][netbox-docker-license]
 
 [The Github repository](netbox-docker-github) houses the components needed to build Netbox as a Docker container.
-Images are built using this code and are released to [Docker Hub][netbox-dockerhub] once a day.
+Images are built using this code and are released to [Docker Hub][netbox-dockerhub] and [Quay.io][netbox-quayio] once a day.
 
 Do you have any questions?
 Before opening an issue on Github, please join the [Network To Code][ntc-slack] Slack and ask for help in our [`#netbox-docker`][netbox-docker-slack] channel.
 
 [github-stargazers]: https://github.com/netbox-community/netbox-docker/stargazers
 [github-release]: https://github.com/netbox-community/netbox-docker/releases
 [netbox-docker-microbadger]: https://microbadger.com/images/netboxcommunity/netbox
-[netbox-dockerhub]: https://hub.docker.com/r/netboxcommunity/netbox/tags/
+[netbox-dockerhub]: https://hub.docker.com/r/netboxcommunity/netbox/
 [netbox-docker-github]: https://github.com/netbox-community/netbox-docker/
 [ntc-slack]: http://slack.networktocode.com/
 [netbox-docker-slack]: https://slack.com/app_redirect?channel=netbox-docker&team=T09LQ7E9E
 [netbox-docker-license]: https://github.com/netbox-community/netbox-docker/blob/release/LICENSE
+[netbox-quayio]: https://quay.io/repository/netboxcommunity/netbox
 
 ## Docker Tags
 
@@ -104,7 +105,7 @@ To check the version installed on your system run `docker --version` and `docker
 The `docker-compose.yml` file is prepared to run a specific version of Netbox, instead of `latest`.
 To use this feature, set and export the environment-variable `VERSION` before launching `docker-compose`, as shown below.
 `VERSION` may be set to the name of
-[any tag of the `netboxcommunity/netbox` Docker image on Docker Hub][netbox-dockerhub].
+[any tag of the `netboxcommunity/netbox` Docker image on Docker Hub][netbox-dockerhub] or [Quay.io][netbox-quayio].
 
 ```bash
 export VERSION=v2.7.1