Update build configuration

Author: nypi

pom.xml

@@ -14,7 +14,17 @@
 	</modules>
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<maven.compiler.source>11</maven.compiler.source>
-		<maven.compiler.target>11</maven.compiler.target>
+		<maven.compiler.release>11</maven.compiler.release>
 	</properties>
+	<build>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-compiler-plugin</artifactId>
+					<version>3.8.1</version>
+				</plugin>
+			</plugins>
+		</pluginManagement>
+	</build>
 </project>

server/pom.xml

@@ -22,7 +22,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-assembly-plugin</artifactId>
-				<version>3.1.1</version>
+				<version>3.3.0</version>
 				<executions>
 					<execution>
 						<id>assembly</id>

starter-bot/pom.xml

@@ -17,4 +17,34 @@
 			<version>1.0-SNAPSHOT</version>
 		</dependency>
 	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-assembly-plugin</artifactId>
+				<version>3.3.0</version>
+				<executions>
+					<execution>
+						<id>assembly</id>
+						<phase>prepare-package</phase>
+						<goals>
+							<goal>single</goal>
+						</goals>
+					</execution>
+				</executions>
+				<configuration>
+					<archive>
+						<manifest>
+							<mainClass>ru.croccode.hypernull.bot.StarterBot</mainClass>
+						</manifest>
+					</archive>
+					<descriptorRefs>
+						<descriptorRef>jar-with-dependencies</descriptorRef>
+					</descriptorRefs>
+					<finalName>${project.artifactId}</finalName>
+					<appendAssemblyId>false</appendAssemblyId>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
 </project>