maintenance improvements

backend/src/main/resources/application.yml

@@ -4,6 +4,11 @@ spring:
     username: ${SPRING_DATASOURCE_USERNAME:storycove}
     password: ${SPRING_DATASOURCE_PASSWORD:password}
     driver-class-name: org.postgresql.Driver
+    hikari:
+      connection-timeout: 60000  # 60 seconds
+      idle-timeout: 300000       # 5 minutes
+      max-lifetime: 1800000      # 30 minutes
+      maximum-pool-size: 20
   
   jpa:
     hibernate:
@@ -16,8 +21,8 @@ spring:
   
   servlet:
     multipart:
-      max-file-size: 256MB  # Increased for backup restore
-      max-request-size: 260MB  # Slightly higher to account for form data
+      max-file-size: 600MB  # Increased for large backup restore (425MB+)
+      max-request-size: 610MB  # Slightly higher to account for form data
 
   jackson:
     serialization:
@@ -27,6 +32,8 @@ spring:
 
 server:
   port: 8080
+  tomcat:
+    max-http-request-size: 650MB  # Tomcat HTTP request size limit (separate from multipart)
 
 storycove:
   app: