Commit missed files

.github/workflows/docker-presubmit.yml

-name: Upload requested containers to gcr.io
+name: Docker presubmit & push to gcr
 
 on:
   pull_request:
-    types: [labeled]
+    types: [labeled, opened, synchronize, reopened]
     paths:
       - '.github/workflows/docker-gcr.yml'
       - 'tf_sig_build_dockerfiles/**'
@@ -10,7 +10,6 @@ on:
 
 jobs:
   docker:
-    if: ${{ github.event.label.name == 'build and push to gcr.io for staging' }}
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -19,14 +18,6 @@ jobs:
       -
         name: Checkout
         uses: actions/checkout@v2
-      -
-        name: Clear the build-and-push label
-        uses: actions-ecosystem/action-remove-labels@v1
-        with:
-          labels: build and push to gcr.io for staging
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
@@ -42,7 +33,7 @@ jobs:
         id: docker_build
         uses: docker/build-push-action@v2
         with:
-          push: true
+          push: contains(github.event.pull_request.labels.*.name, 'build and push to gcr.io for staging')
           context: ./tf_sig_build_dockerfiles
           target: devel
           build-args: |
@@ -53,12 +44,10 @@ jobs:
             type=registry,ref=tensorflow/build:latest-${{ matrix.python-version }}
             type=registry,ref=gcr.io/tensorflow-sigs/build:${{ github.event.number }}-${{ matrix.python-version }}
           cache-to: type=inline
-      -
-        name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
       -
         name: Add a comment with the pushed containers
         uses: mshick/add-pr-comment@v1
+        if: contains(github.event.pull_request.labels.*.name, 'build and push to gcr.io for staging')
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           message: |
@@ -68,5 +57,7 @@ jobs:
             - `gcr.io/tensorflow-sigs/build:${{ github.event.number }}-python3.8`
             - `gcr.io/tensorflow-sigs/build:${{ github.event.number }}-python3.7`
             
-            Re-apply the `build and push to gcr.io for staging` label to
-            rebuild and push again. This comment will only be posted once.
+            Re-apply the `build and push to gcr.io for staging` label to rebuild and push again. This comment will only be posted once.
+      -
+        name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

.github/workflows/docker.yml

@@ -20,9 +20,6 @@ jobs:
       -
         name: Checkout
         uses: actions/checkout@v2
-      -
-        name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
@@ -60,6 +57,8 @@ jobs:
           tags: |
             tensorflow/build:latest-${{ matrix.python-version }}
             tensorflow/build:${{ steps.tf-version.outputs.TF_VERSION }}-${{ matrix.python-version }}
+            gcr.io/tensorflow-sigs/build:latest-${{ matrix.python-version }}
+            gcr.io/tensorflow-sigs/build:${{ steps.tf-version.outputs.TF_VERSION }}-${{ matrix.python-version }}
           cache-from: type=registry,ref=tensorflow/build:latest-${{ matrix.python-version }}
           cache-to: type=inline
       -