Add build workflow

.github/workflows/monitor-data-status.yml

@@ -0,0 +1,66 @@
+name: Dockerize monitor-data-status
+
+# For only changes in monitor-data-status
+# rebuild on push to main (which is already vetted in PR to develop)
+on:
+  push:
+    branches:
+      - main
+      - develop
+    paths:
+      - monitor-data-status/**
+  pull_request:
+    branches:
+      - main
+    paths:
+      - monitor-data-status/**
+
+env:
+  # Use ghcr registry instead of DockerHub
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+  CONTEXT: ./monitor-data-status
+  # Job tag to append to image name; e.g. "snapshot" will create image "jobs-snapshot"
+  JOB_TAG: monitor-data-status
+  IMAGE: ghcr.io/${{ github.repository }}-monitor-data-status
+
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      # Login against a Docker registry except on PR
+      # (confirm that image can be built, but don't push to registry)
+      # https://github.com/docker/login-action
+      - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Get short hash for tag
+        id: tag
+        run: echo "::set-output name=sha7::$(git rev-parse --short $GITHUB_SHA)"
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: ${{ env.CONTEXT }}
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ env.IMAGE }}:latest,${{ env.IMAGE }}:${{steps.tag.outputs.sha7}}
+          platforms: linux/amd64