Combine build and push

Author: Abdul Rabbani

.github/workflows/on-master.yaml

@@ -3,9 +3,26 @@ on:
   release:
     types: [published]
 jobs:
+  build:
+    name: Run docker build and publish
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run docker build
+        run: docker build -t vulcanize/go-ethereum -f Dockerfile .
+      - name: Get the version
+        id: vars
+        run: echo ::set-output name=sha::$(echo ${GITHUB_SHA:0:7})
+      - name: Tag docker image
+        run: docker tag vulcanize/go-ethereum docker.pkg.github.com/vulcanize/go-ethereum/go-ethereum:${{steps.vars.outputs.sha}}
+      - name: Docker Login
+        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://docker.pkg.github.com -u vulcanize --password-stdin
+      - name: Docker Push
+        run: docker push docker.pkg.github.com/vulcanize/go-ethereum/go-ethereum:${{steps.vars.outputs.sha}}
   push_to_registries:
     name: Publish assets to Release
     runs-on: ubuntu-latest
+    needs: build
     steps:
       - name: Get the version
         id: vars