Add Docker build (#661)

* Add build Docker image

.github/workflows/build-docker-and-push.yml

@@ -0,0 +1,62 @@
+name: Build Docker and push
+
+on:
+  push:
+    tags:
+      - '*'
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE: ${{ github.repository }}
+
+jobs:
+  build_and_push_docker:
+    permissions:
+      contents: read
+      packages: write
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set docker image env var
+        run: |
+          echo "DOCKER_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE }}:${{ github.ref_name }}" >> $GITHUB_ENV
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: linux/amd64,linux/arm64
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Build with Gradle
+        run: ./gradlew build -p web --build-cache --info
+
+      - name: 'Login to GitHub Container Registry'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker images
+        uses: docker/build-push-action@v6
+        with:
+          context: ./web
+          platforms: linux/amd64,linux/arm64
+          push: true
+          provenance: false
+          tags: |
+            ${{ env.DOCKER_IMAGE }}

web/Dockerfile

@@ -0,0 +1,4 @@
+FROM bellsoft/liberica-openjdk-alpine:21
+ARG JAR_FILE=build/libs/*-all.jar
+COPY ${JAR_FILE} app.jar
+ENTRYPOINT ["java","-jar","/app.jar"]

web/README.md

@@ -63,3 +63,25 @@ Kjøre frontend-tester (også en del av `./gradlew check`)
 npx vitest run
 ```
 
+Bygge Docker-image, kostra-kontrollprogram-web
+```bash
+./gradlew clean -p web jibDockerBuild --image=kostra-kontrollprogram
+```
+
+Liste alle Docker-images
+```bash
+docker images
+```
+kostra-kontrollprogram:latest vil vises i listen.
+
+Kjør Docker
+```bash
+docker run --name kostra-kontrollprogram -p 8080:8080 kostra-kontrollprogram:latest
+```
+Applikasjonen vil være tilgjengelig på http://localhost:8080/
+
+Rydde opp
+```bash
+docker rm kostra-kontrollprogram # fjerne stanset container
+docker rmi kostra-kontrollprogram # fjerne Docker-image
+```

web/build.gradle.kts

@@ -52,6 +52,6 @@ tasks.register<Copy>("processFrontendResources") {
     into(backendTargetDir)
 }
 
-tasks.named<Task>("processResources") {
+tasks.named("processResources") {
     dependsOn("processFrontendResources")
-}
+}