feat(security): enhance input validation and security measures across various routes

compose.yml

@@ -13,6 +13,9 @@ services:
         condition: service_healthy
       dragonfly:
         condition: service_healthy
+    networks:
+      - frontend
+      - backend
 
   postgres:
     image: postgres:17-alpine
@@ -25,6 +28,8 @@ services:
       interval: 5s
       timeout: 5s
       retries: 5
+    networks:
+      - backend
 
   dragonfly:
     image: ghcr.io/dragonflydb/dragonfly:latest
@@ -38,8 +43,17 @@ services:
       interval: 5s
       timeout: 5s
       retries: 5
+    networks:
+      - backend
 
 volumes:
   pgdata:
   uploads:
   dragonflydata:
+
+networks:
+  frontend:
+    driver: bridge
+  backend:
+    driver: bridge
+    internal: true