Azure deployment setup

backend/src/main/resources/application.yml

@@ -33,7 +33,7 @@ spring:
     open-in-view: false
 
   flyway:
-    enabled: false
+    enabled: ${FLYWAY_ENABLED:false}
 
 server:
   port: ${SERVER_PORT:8080}
@@ -52,6 +52,11 @@ app:
     base-dir: ${UPLOAD_BASE_DIR:uploads}
   frontend-url: ${FRONTEND_URL:http://localhost:3000}
 
+azure:
+  storage:
+    connection-string: ${AZURE_STORAGE_CONNECTION_STRING:}
+    container-prefix: ${AZURE_STORAGE_CONTAINER_PREFIX:petshop}
+
 resend:
   api-key: ${RESEND_API_KEY:}
   from: ${RESEND_FROM:PetShop <onboarding@resend.dev>}