Merge pull request #132 from ChannelFinder/publish-docker

Add github action to upload docker image

Author: jacomago

.github/workflows/docker-release.yml

@@ -0,0 +1,45 @@
+
+name: Release docker image
+
+on:
+  push:
+    branches: [ "master" ]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    permissions:
+      contents: read
+      packages: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+          cache: maven
+      - name: Build with Maven
+        run: mvn --batch-mode --update-snapshots package
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -1,6 +1,6 @@
 FROM openjdk:11-jre
-WORKDIR /channelfinder
-ADD https://repo1.maven.org/maven2/org/phoebus/ChannelFinder/4.7.2/ChannelFinder-4.7.2.jar .
 
-CMD ["java", "-jar", "./ChannelFinder-*.jar", "--spring.config.name=application"]
+# deployment unit
+COPY target/ChannelFinder-*.jar /channelfinder/ChannelFinder-*.jar
 
+CMD ["java", "-jar", "/channelfinder/ChannelFinder-*.jar", "--spring.config.name=application"]

docker-compose.yml

@@ -18,7 +18,7 @@ services:
           echo 'Waiting for Elasticsearch'
           sleep 1
         done
-        java -jar /channelfinder/ChannelFinder-4.7.2.jar"
+        java -jar /channelfinder/ChannelFinder-*.jar"
 
   elasticsearch:
     image: docker.elastic.co/elasticsearch/elasticsearch:8.11.2