build a copy of traefik-forward-auth

.forgejo/workflows/build-traefik-forward-auth.yaml

@@ -0,0 +1,24 @@
+on:
+  push:
+    paths:
+      - .forgejo/workflows/build-traefik-forward-auth.yaml
+env:
+  VERSION: v2.3.0
+jobs:
+  build-synapse:
+    runs-on: docker
+    container:
+      image: library/docker:dind
+    steps:
+      - run: apk add --no-cache nodejs git
+      - name: checkout traefik-forward-auth
+        run: git clone -b ${VERSION} https://github.com/thomseddon/traefik-forward-auth
+      - name: login to container registry
+        run: echo "${{ secrets.DEPLOY_TOKEN }}" | docker login --username ${{ secrets.DEPLOY_USER }} --password-stdin git.janky.solutions
+      - name: build container image
+        uses: docker/build-push-action@v4
+        with:
+          context: traefik-forward-auth/
+          tags: git.janky.solutions/jankysolutions/infra/traefik-forward-auth:${{ env.VERSION }}
+          platforms: linux/amd64
+          push: true