Run flyway explicitly

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

@@ -1,5 +1,6 @@
 package com.petshop.backend;
 
+import com.petshop.backend.config.FlywayContextInitializer;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.context.event.ContextClosedEvent;
@@ -30,7 +31,9 @@ public class DevStackApplication {
 
         try {
             controller.startDatabase();
-            context = new SpringApplicationBuilder(BackendApplication.class).run(args);
+            context = new SpringApplicationBuilder(BackendApplication.class)
+                    .initializers(new FlywayContextInitializer())
+                    .run(args);
             ConfigurableApplicationContext appContext = context;
             context.addApplicationListener(event -> {
                 if (event instanceof ContextClosedEvent) {