sample: update native image for clustered local-drone-control-java (#…

…1031)

akka-edge-docs/src/main/paradox/guide/5-deploying-the-services.md

@@ -116,8 +116,8 @@ We are now going to deploy the `restaurant-drone-deliveries-service` to the crea
 
 This step is for deploying:
 
-* Java: https://github.com/akka/akka-projection/tree/main/samples/grpc/shopping-cart-service-java
-* Scala: https://github.com/akka/akka-projection/tree/main/samples/grpc/shopping-cart-service-scala
+* Java: https://github.com/akka/akka-projection/tree/main/samples/grpc/restaurant-drone-deliveries-service-java
+* Scala: https://github.com/akka/akka-projection/tree/main/samples/grpc/restaurant-drone-deliveries-service-scala
 
 Build and publish the docker image to docker.io:
 
@@ -147,7 +147,7 @@ kubectl apply -f kubernetes/deployment.yml
 Create a Kubernetes `Service` and port forward to simplify access to the pods from your local machine:
 
 YAML
-:  @@snip [deployment.yml](/samples/grpc/shopping-cart-service-scala/kubernetes/service.yml) { }
+:  @@snip [deployment.yml](/samples/grpc/restaurant-drone-deliveries-service-scala/kubernetes/service.yml) { }
 
 ```
 kubectl apply -f kubernetes/service.yml
@@ -259,7 +259,7 @@ sbt -Ddocker.username=<username> -Ddocker.registry=docker.io Docker/publish
 
 Java
 :  ```
-mvn -DskipTests -Ddocker.registry=<username>/shopping-cart-service clean package docker:push
+mvn -DskipTests -Ddocker.registry=<username>/local-drone-control clean package docker:push
 ```
 
 Update the `image:` in the `deployment.yml` with the specific image version and location you published.
@@ -303,4 +303,4 @@ List the orders that was propagated to the local control service, you should see
 
 ```
 grpcurl -plaintext 127.0.0.1:8080 local.drones.DeliveriesQueueService.GetCurrentQueue
-```
+```

samples/grpc/local-drone-control-java/kubernetes/deployment.yml

@@ -18,7 +18,7 @@ spec:
         actorSystemName: local-drone-control-service
     spec:
       containers:
-        - name: restaurant-drone-deliveries-service
+        - name: local-drone-control-service
           # use specific image version from docker publish
           image: johanandren/local-drone-control:20230922-090652-37e49e0
           # these will need to be increased/tuned for production environments!

samples/grpc/local-drone-control-java/native-image/Dockerfile

@@ -13,8 +13,9 @@ RUN source "$HOME/.sdkman/bin/sdkman-init.sh" && \
 
 WORKDIR /opt/build
 COPY . .
+ARG profile=native
 RUN source "$HOME/.sdkman/bin/sdkman-init.sh" && \
-    mvn -DskipTests=true -Pnative compile package
+    mvn -DskipTests=true -Pnative -P$profile package
 
 FROM gcr.io/distroless/java-base-debian11:nonroot
 COPY --from=builder /opt/build/target/local-drone-control /bin/

samples/grpc/local-drone-control-java/native-image/README.md

@@ -6,7 +6,7 @@ resource usage, faster starts, and smaller deployments.
 [GraalVM Native Image]: https://www.graalvm.org/latest/reference-manual/native-image/
 
 
-## Native build
+## Native build for single-node service
 
 Note: to build locally with the `native-maven-plugin` you need to first [set up GraalVM].
 
@@ -15,14 +15,32 @@ Note: to build locally with the `native-maven-plugin` you need to first [set up
 To create a native image for the current build platform and architecture:
 
 ```
-mvn -DskipTests=true -Pnative compile package
+mvn -DskipTests=true -Pnative package
 ```
 
 
-## Docker build
+## Native build for multi-node service
+
+To create a native image to run as a multi-node Akka Cluster with PostgreSQL:
+
+```
+mvn -DskipTests=true -Pnative -Pclustered package
+```
+
+
+## Docker build  for single-node service
 
 To build a native image, within Docker, to be deployed as a Docker container:
 
 ```
 docker build -f native-image/Dockerfile -t local-drone-control .
 ```
+
+
+## Docker build for multi-node service
+
+To build a native image to be deployed as a Docker container for a multi-node Akka Cluster with PostgreSQL:
+
+```
+docker build -f native-image/Dockerfile --build-arg profile=clustered -t local-drone-control .
+```

samples/grpc/local-drone-control-java/pom.xml

@@ -337,6 +337,14 @@
                             </arguments>
                         </configuration>
                     </plugin>
+                    <plugin>
+                        <groupId>org.graalvm.buildtools</groupId>
+                        <artifactId>native-maven-plugin</artifactId>
+                        <version>${native.maven.plugin.version}</version>
+                        <configuration>
+                            <mainClass>local.drones.ClusteredMain</mainClass>
+                        </configuration>
+                    </plugin>
                 </plugins>
             </build>
         </profile>
@@ -391,6 +399,17 @@
                             </execution>
                         </executions>
                     </plugin>
+                    <plugin>
+                        <groupId>io.fabric8</groupId>
+                        <artifactId>docker-maven-plugin</artifactId>
+                        <version>0.39.1</version>
+                        <executions>
+                            <execution>
+                                <id>build-docker-image</id>
+                                <phase>none</phase>
+                            </execution>
+                        </executions>
+                    </plugin>
                 </plugins>
             </build>
         </profile>

samples/grpc/local-drone-control-java/src/main/java/local/drones/DeliveriesQueue.java

@@ -89,7 +89,7 @@ public State(
     }
   }
 
-  public static final class WaitingDelivery {
+  public static final class WaitingDelivery implements CborSerializable {
     public final String deliveryId;
     public final Coordinates from;
     public final Coordinates to;

samples/grpc/local-drone-control-java/src/main/java/local/drones/Drone.java

@@ -55,6 +55,7 @@ public ReportPosition(Position position, ActorRef<Done> replyTo) {
   public static final class GetCurrentPosition implements Command {
     public final ActorRef<StatusReply<Position>> replyTo;
 
+    @JsonCreator
     public GetCurrentPosition(ActorRef<StatusReply<Position>> replyTo) {
       this.replyTo = replyTo;
     }

samples/grpc/local-drone-control-java/src/main/java/local/drones/Position.java

@@ -1,8 +1,9 @@
 package local.drones;
 
+import akka.serialization.jackson.CborSerializable;
 import java.util.Objects;
 
-public final class Position {
+public final class Position implements CborSerializable {
   public final Coordinates coordinates;
   public final double altitude;
 

samples/grpc/local-drone-control-java/src/main/resources/META-INF/native-image/com.typesafe.config/resource-config.json

@@ -0,0 +1,9 @@
+{
+  "resources": {
+    "includes": [
+      {
+        "pattern": ".+\\.conf"
+      }
+    ]
+  }
+}