Merge pull request #1040 from ral-facilities/deployment/push-docker-i…

…mage-to-harbor-#1030

Create Actions workflow for uploading container image to Harbor

.github/dependabot.yml

@@ -141,3 +141,11 @@ updates:
           - 4.19.0
           - 4.20.0
           - 4.21.0
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+      time: "00:00"
+      timezone: Europe/London

.github/workflows/docker-build.yml

@@ -0,0 +1,38 @@
+# This workflow file builds and pushes the Dockerfile
+# located in this repo, to the SCD harbor Docker registry.
+# It uses a harbor robot account, whose credentials are 
+# stored as secrets in this repo.
+
+name: Build & Push Docker Image
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - k8s-deployment
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Harbor
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v2
+      - name: Log in to Harbor
+        uses: docker/login-action@v1
+        with:
+          registry: harbor.stfc.ac.uk/datagateway
+          username: ${{ secrets.HARBOR_USERNAME }}
+          password: ${{ secrets.HARBOR_TOKEN }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: harbor.stfc.ac.uk/datagateway/scigateway
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}