🚧 github: Reuse subimage workflow

.github/workflows/build-subimage.yml

@@ -7,10 +7,6 @@ on:
       tags:
         required: true
         type: string
-      cache-from:
-        required: false
-        type: string
-        default:
     secrets:
       DOCKERHUB_USERNAME:
         required: true
@@ -30,6 +26,14 @@ jobs:
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
+      -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            quratorspk/ocrd-galley-${{ inputs.subimage }}
+          tags: ${{ inputs.tags }}
       -
         name: Login to Docker Hub
         uses: docker/login-action@v2
@@ -44,7 +48,7 @@ jobs:
           file: Dockerfile-${{ inputs.subimage }}
           build-args:
             DRONE_COMMIT=${{ github.sha }}
-          tags: ${{ inputs.tags }}
+          tags: ${{ steps.meta.outputs.tags }}
           push: true
 
-          cache-from: ${{ inputs.cache-from }}
+          cache-from: quratorspk/ocrd-galley-${{ inputs.subimage }}:${{ github.sha }}

.github/workflows/build.yml

@@ -18,7 +18,8 @@ jobs:
     uses: ./.github/workflows/build-subimage.yml
     with:
       subimage: ${{ matrix.subimage }}
-      tags: quratorspk/ocrd-galley-${{ matrix.subimage }}:${{ github.sha }}
+      tags: |
+        type=sha,format=long
     secrets: inherit
 
   build-rest:
@@ -29,7 +30,8 @@ jobs:
     uses: ./.github/workflows/build-subimage.yml
     with:
       subimage: ${{ matrix.subimage }}
-      tags: quratorspk/ocrd-galley-${{ matrix.subimage }}:${{ github.sha }}
+      tags: |
+        type=sha,format=long
     secrets: inherit
 
 
@@ -58,27 +60,16 @@ jobs:
   # tags. We do this by building again, but using the formerly built images to
   # cache from.
 
-  tag:
+  push-with-tags:
     needs: test
-    runs-on: ubuntu-latest
     strategy:
       matrix:
         subimage: ["core", "dinglehopper"]
-      # TODO have one list, not multiple
-    steps:
-      -
-        name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v4
-        with:
-          images: |
-            quratorspk/ocrd-galley-${{ matrix.subimage }}
-          tags: |
-            type=ref,event=branch
-      -
-        name: Push with tags (from cache)
-        uses: ./.github/workflows/build-subimage.yml
-        with:
-          subimage: ${{ matrix.subimage }}
-          cache-from: quratorspk/ocrd-galley-${{ matrix.subimage }}:${{ github.sha }}
-          tags: ${{ steps.meta.outputs.tags }}
+    uses: ./.github/workflows/build-subimage.yml
+    with:
+      subimage: ${{ matrix.subimage }}
+      tags: |
+        type=sha,format=long
+        type=ref,event=tag
+      use-cache: true
+    secrets: inherit