MGMT-1161 Added release workflow for new git tags

.github/workflows/release.yml

@@ -0,0 +1,29 @@
+name: build
+
+on:
+  push:
+    tags:
+      - "*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v1
+      - name: Get release version
+        id: get_version
+        run: echo ::set-env name=GIT_REVISION::$(echo ${GITHUB_SHA})
+      - name: Get the tag
+        id: get_tag
+        run: echo ::set-env name=GIT_TAG::${GITHUB_REF/refs\/tags\//}
+      - name: Publish image to Registry
+        uses: elgohr/[email protected]
+        with:
+          name: ignition-manifests-and-kubeconfig-generate
+          username: ${{ secrets.OCPMETAL_USERNAME }}
+          password: ${{ secrets.OCPMETAL_PASSWORD }}
+          REGISTRY: 'quay.io/ocpmetal'
+          dockerfile: Dockerfile.baremetal
+          buildargs: GIT_REVISION
+          tags: "${{ env.GIT_TAG }},${{ env.GIT_REVISION }}"