Actions workflow (#601)

Signed-off-by: Dan Schaper <dan@glacialmagma.com>

.github/workflows/build-deploy.yml

@@ -0,0 +1,54 @@
+name: Maven CI/CD
+
+on:
+  push:
+    branches: [master]
+  workflow_dispatch:
+
+jobs:
+  build_and_publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: "11"
+          distribution: "temurin"
+          cache: maven
+      - name: Build with Maven
+        run: mvn -Pprod -DskipTests clean install
+      - name: Upload war artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: docs-web-ci.war
+          path: docs-web/target/docs*.war
+
+  build_docker_image:
+    name: Publish to Docker Hub
+    runs-on: ubuntu-latest
+    needs: [build_and_publish]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Download war artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: docs-web-ci.war
+          path: docs-web/target
+      - name: Setup up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: true
+          tags: ${{ secrets.DOCKERHUB_USERNAME }}/docs:latest