feat: add wait for databases to start on Chat and Matching services

Author: stark-cybertech

server/chat/src/main/java/meet_at_mensa/chat/ChatApplication.java

@@ -4,6 +4,7 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
+import java.util.concurrent.TimeUnit;
 
 @SpringBootApplication
 // ChatApplication is the main class for the chat application
@@ -12,9 +13,31 @@ public class ChatApplication {
     // The main method is the entry point of the chat service
     // It starts the Spring Boot application
 	public static void main(String[] args) {
+
+        wait_for_database_startup();
+
 		SpringApplication.run(ChatApplication.class, args);
 	}
 
+    // Wait 30s to ensure that databases have started
+    private static void wait_for_database_startup() {
+
+        System.out.println("Waiting for databases to start...");
+
+        try {
+
+            TimeUnit.SECONDS.sleep(30);
+
+        } catch (InterruptedException e) {
+
+            Thread.currentThread().interrupt();
+            System.out.println("Wait was interrupted");
+
+        }
+
+        System.out.println("Done waiting for databases to start");        
+    }
+
 	@RestController
     // HelloController is a REST controller that handles HTTP GET requests
     // It returns a greeting message in plain text

server/matching/src/main/java/meet_at_mensa/matching/MatchingApplication.java

@@ -4,6 +4,7 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
+import java.util.concurrent.TimeUnit;
 
 @SpringBootApplication
 // MatchingApplication is the main class for the matching application
@@ -12,9 +13,31 @@ public class MatchingApplication {
     // The main method is the entry point of the matching service
     // It starts the Spring Boot application
 	public static void main(String[] args) {
+
+        wait_for_database_startup();
+
 		SpringApplication.run(MatchingApplication.class, args);
 	}
 
+    // Wait 30s to ensure that databases have started
+    private static void wait_for_database_startup() {
+
+        System.out.println("Waiting for databases to start...");
+
+        try {
+
+            TimeUnit.SECONDS.sleep(30);
+
+        } catch (InterruptedException e) {
+
+            Thread.currentThread().interrupt();
+            System.out.println("Wait was interrupted");
+
+        }
+
+        System.out.println("Done waiting for databases to start");        
+    }
+
 	@RestController
     // HelloController is a REST controller that handles HTTP GET requests
     // It returns a greeting message in plain text

server/user/src/main/java/meet_at_mensa/user/UserApplication.java

@@ -19,20 +19,20 @@ public static void main(String[] args) {
 		SpringApplication.run(UserApplication.class, args);
 	}
 
-    // Wait 20s to ensure that databases have started
+    // Wait 30s to ensure that databases have started
     private static void wait_for_database_startup() {
 
         System.out.println("Waiting for databases to start...");
 
         try {
 
-            TimeUnit.SECONDS.sleep(20);
+            TimeUnit.SECONDS.sleep(30);
 
         } catch (InterruptedException e) {
 
             Thread.currentThread().interrupt();
             System.out.println("Wait was interrupted");
-            
+
         }
 
         System.out.println("Done waiting for databases to start");