Progress towards using buildx

Author: adamtheturtle

.github/workflows/docker-build.yml

@@ -3,6 +3,8 @@
 name: Build Docker images
 
 # This matches the Docker image building done in the release process.
+#
+# It is possible to use https://github.com/nektos/act to run this workflow.
 
 on:
   push:
@@ -24,23 +26,43 @@ jobs:
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
+        with:
+          # This defaults to "docker-containerized".
+          # We want to share the vws-mock:base image to the building of the
+          # later builds, without pushing to a registry.
+          #
+          # Therefore, we choose not to build in a container.
+          driver: docker
 
       - name: Build base Docker image
         uses: docker/build-push-action@v2.7.0
         with:
+          buildkitd-flags: --debug
           file: src/mock_vws/_flask_server/dockerfiles/base/Dockerfile
           push: false
-          load: true
-          cache-to: type=local,dest=.
           tags: |
             vws-mock:base
 
-      - name: Build and push target manager Docker image
+      - name: Build target manager Docker image
         uses: docker/build-push-action@v2.7.0
         with:
           file: src/mock_vws/_flask_server/dockerfiles/target_manager/Dockerfile
           push: false
-          load: true
-          cache-from: type=local,src=.
           tags: |
             adamtheturtle/vuforia-target-manager-mock:latest
+
+      - name: Build VWS Docker image
+        uses: docker/build-push-action@v2.7.0
+        with:
+          file: src/mock_vws/_flask_server/dockerfiles/vws/Dockerfile
+          push: false
+          tags: |
+            adamtheturtle/vuforia-vws-mock:latest
+
+      - name: Build VWQ Docker image
+        uses: docker/build-push-action@v2.7.0
+        with:
+          file: src/mock_vws/_flask_server/dockerfiles/vwq/Dockerfile
+          push: false
+          tags: |
+            adamtheturtle/vuforia-vwq-mock:latest