Multistage build

.github/workflows/docker-image.yml

@@ -28,18 +28,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - uses: actions/setup-java@v4
-        with:
-          java-version: '11'
-          distribution: 'temurin'
-          architecture: x64
-          cache: maven
-
-      - run: mvn install --batch-mode --update-snapshots -DskipTests
-
-      - run: mkdir staging && cp web/target/geonetwork.war staging
-
-      - name: Log in to the Container registry
+     - name: Log in to the Container registry
         uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d
         with:
           registry: ${{ env.REGISTRY }}
@@ -55,7 +44,7 @@ jobs:
       - name: Build and push Docker image
         uses: docker/build-push-action@0565240e2d4ab88bba5387d719585280857ece09
         with:
-          context: ./georoma
+          context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

georoma/Dockerfile → Dockerfile

@@ -1,3 +1,13 @@
+#
+# Build stage
+#
+FROM maven:3.6.0-jdk-11-slim AS build
+COPY ./ /home/app
+RUN mvn -f /home/app/pom.xml clean install
+
+#
+# Package stage
+#
 FROM tomcat:8.5-jdk11
 
 ENV GN_FILE geonetwork.war
@@ -17,17 +27,17 @@ RUN apt-get -y update && \
         curl \
         unzip
 
-COPY ./staging/geonetwork.war geonetwork.war
+COPY --from=build /home/app/web/target/geonetwork.war geonetwork.war
 
 RUN mkdir -p geonetwork && \
      unzip -e $GN_FILE -d geonetwork && \
      rm $GN_FILE
 
 # To enable AJP and support for traefik headers
-COPY ./server.xml $CATALINA_HOME/conf/server.xml
+COPY ./georoma/server.xml $CATALINA_HOME/conf/server.xml
 
 #Set geonetwork data dir
-COPY ./docker-entrypoint.sh /entrypoint.sh
+COPY ./georoma/docker-entrypoint.sh /entrypoint.sh
 
 RUN chmod +x /entrypoint.sh