HttpClient for nodes, registration to Discovery

SymphonyDatabaseNode/src/main/java/io/github/lumijiez/Main.java

@@ -4,14 +4,33 @@ import jakarta.persistence.EntityManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.LogManager;
 
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+
 public class Main {
     public static Logger logger = LogManager.getLogger(Main.class);
 
-    public static void main(String[] args) {
+    public static void main(String[] args) throws URISyntaxException, IOException, InterruptedException {
+        HttpClient client = HttpClient.newHttpClient();
+
         logger.info("Node up.");
         EntityManager em = Data.getEntityManager();
 
         logger.info("Connected to database: << symphony >>");
         em.close();
+
+        HttpRequest request = HttpRequest.newBuilder()
+                .uri(new URI("http://symphony-discovery:8083/check"))
+                .build();
+
+        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+
+        if (response.statusCode() == 200) {
+            logger.info("Node successfully registered to Discovery");
+        }
     }
 }

SymphonyDiscovery/pom.xml

@@ -32,6 +32,12 @@
             <artifactId>javalin</artifactId>
             <version>6.3.0</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>2.0.16</version>
+        </dependency>
     </dependencies>
 
     <build>

SymphonyDiscovery/src/main/java/io/github/lumijiez/Main.java

@@ -7,7 +7,6 @@ public class Main {
         Javalin app = Javalin.create().start(8083);
         JavalinConfig.setup(app);
 
-
         System.out.print("Discovery service up and running");
     }
 }

SymphonyDiscovery/src/main/resources/log4j2.xml

@@ -9,6 +9,9 @@
     </Appenders>
 
     <Loggers>
+        <Logger name="io.javalin" level="off" additivity="false"/>
+        <Logger name="org.eclipse" level="off" additivity="false"/>
+
         <Root level="info">
             <AppenderRef ref="Console"/>
         </Root>

SymphonyDiscovery/src/main/resources/simplelogger.properties

@@ -0,0 +1,20 @@
+org.slf4j.simpleLogger.defaultLogLevel=off
+
+org.slf4j.simpleLogger.log.io.javalin=off
+
+org.slf4j.simpleLogger.log.org.eclipse.jetty=off
+org.slf4j.simpleLogger.log.org.eclipse.jetty.server=off
+org.slf4j.simpleLogger.log.org.eclipse.jetty.util=off
+
+# org.slf4j.simpleLogger.log.org.springframework=off
+# org.slf4j.simpleLogger.log.org.hibernate=off
+
+org.slf4j.simpleLogger.showDateTime=true
+
+org.slf4j.simpleLogger.dateTimeFormat=yyyy-MM-dd HH:mm:ss:SSS Z
+
+org.slf4j.simpleLogger.showThreadName=true
+
+org.slf4j.simpleLogger.showLogName=true
+
+org.slf4j.simpleLogger.showShortLogName=false

docker-compose.yml

@@ -36,12 +36,12 @@ services:
       - postgres_db
 
   symphony-dbnode1:
-    container_name: dbnode1
+    container_name: node1
     build:
       context: ./SymphonyDatabaseNode
       dockerfile: Dockerfile
     ports:
-      - "8084:8084"
+      - "8100:8100"
     networks:
       - symphony-network
     depends_on:
@@ -49,12 +49,51 @@ services:
       - symphony-discovery
 
   symphony-dbnode2:
-    container_name: dbnode2
+    container_name: node2
     build:
       context: ./SymphonyDatabaseNode
       dockerfile: Dockerfile
     ports:
-      - "8085:8085"
+      - "8101:8101"
+    networks:
+      - symphony-network
+    depends_on:
+      - postgres_db
+      - symphony-discovery
+
+  symphony-dbnode3:
+    container_name: node3
+    build:
+      context: ./SymphonyDatabaseNode
+      dockerfile: Dockerfile
+    ports:
+      - "8102:8102"
+    networks:
+      - symphony-network
+    depends_on:
+      - postgres_db
+      - symphony-discovery
+
+  symphony-dbnode4:
+    container_name: node4
+    build:
+      context: ./SymphonyDatabaseNode
+      dockerfile: Dockerfile
+    ports:
+      - "8103:8103"
+    networks:
+      - symphony-network
+    depends_on:
+      - postgres_db
+      - symphony-discovery
+
+  symphony-dbnode5:
+    container_name: node5
+    build:
+      context: ./SymphonyDatabaseNode
+      dockerfile: Dockerfile
+    ports:
+      - "8104:8104"
     networks:
       - symphony-network
     depends_on: