.forgejo/workflows/docker.yml

@@ -34,9 +34,12 @@ jobs:
           password: ${{ secrets.FORGEJO_TOKEN }}
 
       - name: Build main monolith image
+        if: github.ref_name == 'main'
         id: docker_build_monolith
         uses: docker/build-push-action@v3
         with:
+          cache-from: type=registry,ref=git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite-monolith:buildcache
+          cache-to: type=registry,ref=git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite-monolith:buildcache,mode=max
           context: .
           platforms: ${{ env.PLATFORMS }}
           push: true
@@ -50,10 +53,12 @@ jobs:
         id: docker_build_monolith_release
         uses: docker/build-push-action@v3
         with:
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
           context: .
           platforms: ${{ env.PLATFORMS }}
           push: true
           tags: |
-            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite:latest
-            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite:stable
-            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite:${{ env.RELEASE_VERSION }}
+            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite-monolith:latest
+            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite-monolith:stable
+            git.sigb.us/${{ env.GHCR_NAMESPACE }}/dendrite-monolith:${{ env.RELEASE_VERSION }}