Build arm images for bionic as well wrh #762

.github/workflows/docker.yaml

@@ -72,14 +72,22 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
-      - name: Build and push
+      - name: Build and push (focal)
         uses: docker/build-push-action@v3
         with:
-          context: ./docker/arm32v7
+          context: ./docker/arm32v7/focal
           push: true
           tags: hasufell/arm32v7-ubuntu-haskell:focal
           platforms: linux/arm
 
+      - name: Build and push (bionic)
+        uses: docker/build-push-action@v3
+        with:
+          context: ./docker/arm32v7/bionic
+          push: true
+          tags: hasufell/arm32v7-ubuntu-haskell:bionic
+          platforms: linux/arm
+
   docker-aarch:
     runs-on: [self-hosted, Linux, ARM64]
     steps:
@@ -100,10 +108,18 @@ jobs:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
-      - name: Build and push
+      - name: Build and push (focal)
         uses: docker/build-push-action@v3
         with:
-          context: ./docker/arm64v8/
+          context: ./docker/arm64v8/focal
           push: true
           tags: hasufell/arm64v8-ubuntu-haskell:focal
           platforms: linux/arm64
+
+      - name: Build and push (bionic)
+        uses: docker/build-push-action@v3
+        with:
+          context: ./docker/arm64v8/bionic
+          push: true
+          tags: hasufell/arm64v8-ubuntu-haskell:bionic
+          platforms: linux/arm64