quick-e2e: Add shutdown hook and process management to Main class

tools/quick-e2e/src/main/java/de/oliver/quicke2e/Main.java

@@ -49,6 +49,20 @@ public class Main {
 
         StartServerService startServer = new StartServerService();
         startServer.startServer(context);
+
+        Runtime.getRuntime().addShutdownHook(new Thread(() -> {
+            if (context.serverProcess().isAlive()) {
+                context.serverProcess().destroy();
+            }
+        }));
+
+        if (context.serverProcess() != null && context.serverProcess().isAlive()) {
+            try {
+                context.serverProcess().waitFor();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
     }
 
 }

tools/quick-e2e/src/main/java/de/oliver/quicke2e/config/Context.java

@@ -6,10 +6,13 @@ public class Context {
 
     private final Configuration configuration;
     private String actualBuildNumber;
+
     private Path serverEnvPath;
     private Path serverJarPath;
     private Path startScriptPath;
 
+    private Process serverProcess;
+
     public Context(Configuration configuration) {
         this.configuration = configuration;
         this.actualBuildNumber = configuration.build();
@@ -54,4 +57,12 @@ public class Context {
     public void setStartScriptPath(Path startScriptPath) {
         this.startScriptPath = startScriptPath;
     }
+
+    public Process serverProcess() {
+        return serverProcess;
+    }
+
+    public void setServerProcess(Process serverProcess) {
+        this.serverProcess = serverProcess;
+    }
 }

tools/quick-e2e/src/main/java/de/oliver/quicke2e/steps/startServer/StartServerService.java

@@ -10,7 +10,7 @@ public class StartServerService {
 
         try {
             Process process = processBuilder.start();
-            process.waitFor();
+            context.setServerProcess(process);
         } catch (Exception e) {
             e.printStackTrace();
         }