diff --git a/.github/workflows/update_primary_nginx.yml b/.github/workflows/update_primary_nginx.yml
index 1ea6e9b..77a92ff 100644
--- a/.github/workflows/update_primary_nginx.yml
+++ b/.github/workflows/update_primary_nginx.yml
@@ -26,6 +26,13 @@ jobs:
           export PROD_PORT_PREFIX=${PORT_PREFIX}${GROUP_ID}${PROD_POSTFIX}
           export GATEWAY_POSTFIX=6
 
+      - name: Debug Environment Variables
+        run: |
+          echo "DEV_PORT_PREFIX=${DEV_PORT_PREFIX}"
+          echo "STAG_PORT_PREFIX=${STAG_PORT_PREFIX}"
+          echo "PROD_PORT_PREFIX=${PROD_PORT_PREFIX}"
+          echo "GATEWAY_POSTFIX=${GATEWAY_POSTFIX}"
+
       - name: Replace environment variables in Nginx config
         run: |
           envsubst '${DEV_PORT_PREFIX} ${PROD_PORT_PREFIX} ${STAG_PORT_PREFIX} ${GATEWAY_POSTFIX}' < nginx_template.txt > nginx_secfit.conf