Try multiarch build

.forgejo/workflows/build.yml

@@ -0,0 +1,30 @@
+name: ci
+
+on:
+  push:
+
+env:
+  REGISTRY_IMAGE: richarvey/mailhog
+
+jobs:
+  docker:
+    runs-on: docker
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
+          push: true
+          tags: ${{ env.REGISTRY_IMAGE }}:latest

.forgejo/workflows/matrix-build.yml

@@ -1,75 +0,0 @@
-name: docker
-
-on:
-  push:
-    tags:
-      - "v*"
-
-env:
-  DOCKER_REPO: richarvey/mailhog
-
-jobs:
-  build:
-    timeout-minutes: 30
-
-    strategy:
-      matrix:
-        platform:
-          - linux/amd64
-          - linux/arm64
-          - linux/arm/v6
-          - linux/arm/v7
-
-    steps:
-      - name: Set vars
-        id: vars
-        run: |
-          echo "version=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
-          echo "platform=$(echo -n ${{ matrix.platform }} | sed 's/\//-/g')" >> $GITHUB_OUTPUT
-
-      - uses: actions/checkout@v3
-      - uses: docker/setup-qemu-action@v3
-      - uses: docker/setup-buildx-action@v3
-
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
-      - name: Build docker images
-        uses: docker/build-push-action@v5
-        with:
-          context: .
-          push: true
-          platforms: ${{ matrix.platform }}
-          tags: |
-            ${{ env.DOCKER_REPO }}:${{ steps.vars.outputs.version }}-${{ steps.vars.outputs.platform }}
-
-  release:
-    timeout-minutes: 10
-    needs: build
-
-    steps:
-      - name: Set vars
-        id: vars
-        run: |
-          echo "version=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT
-
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
-        with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-
-      - name: Create Docker Hub manifest
-        run: |
-          docker manifest create $DOCKER_REPO:latest \
-            $DOCKER_REPO:${{ steps.vars.outputs.version }}-linux-amd64 \
-            $DOCKER_REPO:${{ steps.vars.outputs.version }}-linux-arm64 \
-            $DOCKER_REPO:${{ steps.vars.outputs.version }}-linux-arm-v6 \
-            $DOCKER_REPO:${{ steps.vars.outputs.version }}-linux-arm-v7
-
-      - name: Push manifests
-        run: |
-          docker manifest push $DOCKER_REPO:latest