Keep startup errors

src/main/java/com/petshop/backend/DevStackApplication.java

@@ -25,6 +25,7 @@ public class DevStackApplication {
         CountDownLatch shutdownLatch = new CountDownLatch(1);
         ScheduledExecutorService scheduler = null;
         AtomicBoolean shuttingDown = new AtomicBoolean(false);
+        RuntimeException startupFailure = null;
 
         try {
             validateJavaVersion();
@@ -42,6 +43,7 @@ public class DevStackApplication {
             scheduler = startDatabaseWatch(docker, context, shuttingDown);
             shutdownLatch.await();
         } catch (RuntimeException ex) {
+            startupFailure = ex;
             throw new IllegalStateException(describeStartupFailure(ex), ex);
         } catch (InterruptedException ex) {
             Thread.currentThread().interrupt();
@@ -54,7 +56,15 @@ public class DevStackApplication {
                 context.close();
             }
             if (!shuttingDown.get()) {
-                docker.stopDatabase();
+                try {
+                    docker.stopDatabase();
+                } catch (RuntimeException stopFailure) {
+                    if (startupFailure != null) {
+                        System.err.println(stopFailure.getMessage());
+                    } else {
+                        throw stopFailure;
+                    }
+                }
             }
         }
     }