Migrate from docker/build-push-action to stacker-build-push-action

Signed-off-by: Petu Eusebiu <peusebiu@cisco.com>

.github/workflows/oci-conformance-action.yml

@@ -18,25 +18,19 @@ jobs:
     runs-on: ubuntu-latest
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-    - name: setup docker
-      uses: docker-practice/actions-setup-docker@0.0.1
-      with: 
-        docker_version: 18.09
-        docker_channel: stable
-    - name: checkout this PR 
-      uses: actions/checkout@v2
+    - name: Install go 1.17
+      uses: actions/setup-go@v2
       with:
-        ref: ${{ github.event.pull_request.head.sha }}
-        path: zot
-        repository: project-zot/zot
-    - name: start zot server
+        go-version: 1.17.x
+    - name: Checkout this PR 
+      uses: actions/checkout@v2
+    - name: Start zot server
       run: |
-          cd ./zot
+          cd $GITHUB_WORKSPACE
+          make binary
+          RUNNER_TRACKING_ID="" && ./bin/zot-linux-amd64 serve examples/config-conformance.json &
           IP=`hostname -I | awk '{print $1}'`
-          echo "SERVER_URL=http://${IP}:5000" >> $GITHUB_ENV
-          IMAGE_REF="local-zot:v$(date +%Y%m%d%H%M%S)"
-          docker build -f ./Dockerfile-conformance -t "${IMAGE_REF}" .
-          docker run --rm -p 5000:5000 -v "$(pwd)":/go/src/github.com/project-zot/zot -idt "${IMAGE_REF}"
+          echo "SERVER_URL=http://${IP}:8080" >> $GITHUB_ENV
     - name: Run OCI Distribution Spec conformance tests
       uses: opencontainers/distribution-spec@main
       env: