Implementation of the user port for JPA processing.

pom.xml

@@ -17,6 +17,7 @@
 		<maven.compiler.target>21</maven.compiler.target>
 		<jakarta.servlet-api.version>6.0.0</jakarta.servlet-api.version>
 		<java-jwt.version>4.4.0</java-jwt.version>
+		<postgresql.version>42.7.0</postgresql.version>
 	</properties>
 
 	<modules>
@@ -66,6 +67,11 @@
 				<artifactId>java-jwt</artifactId>
 				<version>${java-jwt.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>org.postgresql</groupId>
+				<artifactId>postgresql</artifactId>
+				<version>${postgresql.version}</version>
+			</dependency>
 		</dependencies>
 	</dependencyManagement>