diff --git a/.env b/.env
index b6b59b7..84649fc 100644
--- a/.env
+++ b/.env
@@ -2,17 +2,33 @@ GROUP_ID=04
 DOMAIN=localhost
 URL_PREFIX=http://
 PORT_PREFIX=2
+
 DEV_POSTFIX=1
 STAG_POSTFIX=2
 PROD_POSTFIX=3
-DEV_PORT_PREFIX=${PORT_PREFIX}${GROUP_ID}${DEV_POSTFIX}
-STAG_PORT_PREFIX=${PORT_PREFIX}${GROUP_ID}${STAG_POSTFIX}
-PROD_PORT_PREFIX=${PORT_PREFIX}${GROUP_ID}${PROD_POSTFIX}
+
+# Precomputed port prefixes
+DEV_PORT_PREFIX=2041
+STAG_PORT_PREFIX=2042
+PROD_PORT_PREFIX=2043
 
 BACKEND_POSTFIX=4
 FRONTEND_POSTFIX=5
 GATEWAY_POSTFIX=6
 
+# Full port numbers for each service
+DEV_BACKEND_PORT=20414
+DEV_FRONTEND_PORT=20415
+DEV_GATEWAY_PORT=20416
+
+STAG_BACKEND_PORT=20424
+STAG_FRONTEND_PORT=20425
+STAG_GATEWAY_PORT=20426
+
+PROD_BACKEND_PORT=20434
+PROD_FRONTEND_PORT=20435
+PROD_GATEWAY_PORT=20436
+
 DJANGO_SUPERUSER_PASSWORD=Password
 DJANGO_SUPERUSER_USERNAME=admin
 DJANGO_SUPERUSER_EMAIL=admin@mail.com