diff --git a/.github/workflows/update_primary_nginx.yml b/.github/workflows/update_primary_nginx.yml
index 9733e17..53d5eb5 100644
--- a/.github/workflows/update_primary_nginx.yml
+++ b/.github/workflows/update_primary_nginx.yml
@@ -1,4 +1,4 @@
-name: UNFINISHED - setup nginx from the configuration file
+name: Setup nginx from the configuration file
 
 on:
   workflow_dispatch:
@@ -6,26 +6,43 @@ on:
 jobs:
   deploy:
     runs-on: self-hosted
-      
+
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
-      - name: Dotenv Action
+
+      - name: Load environment variables
         uses: falti/dotenv-action@v1.1.4
         with:
+          env-file: .env
           export-variables: true
           keys-case: bypass
 
       - name: Check environment variables
         run: env
 
-      #Doesn't work properly, envsubst replaces all instances of $variable and ${variable}, but we want to keep e.g., $host as nginx variables
-      #- name: Create temporary nginx config file
-      #  run: envsubst  < ./nginx_template.txt > temp_default.conf
-      # Maybe look at https://www.baeldung.com/linux/envsubst-command to get an idea
-      
-      - name: Copy temporary file to correct place 
-        run: cp temp_default.conf /etc/nginx/conf.d/default.conf
+      - name: Replace environment variables in nginx config
+        run: |
+          # Use sed to selectively replace only the variables defined in .env
+          sed -e "s/\$GROUP_ID/$GROUP_ID/g" \
+              -e "s/\$DOMAIN/$DOMAIN/g" \
+              -e "s/\$URL_PREFIX/$URL_PREFIX/g" \
+              -e "s/\$PORT_PREFIX/$PORT_PREFIX/g" \
+              -e "s/\$DEV_POSTFIX/$DEV_POSTFIX/g" \
+              -e "s/\$STAG_POSTFIX/$STAG_POSTFIX/g" \
+              -e "s/\$PROD_POSTFIX/$PROD_POSTFIX/g" \
+              -e "s/\$BACKEND_POSTFIX/$BACKEND_POSTFIX/g" \
+              -e "s/\$FRONTEND_POSTFIX/$FRONTEND_POSTFIX/g" \
+              -e "s/\$GATEWAY_POSTFIX/$GATEWAY_POSTFIX/g" \
+              ./nginx_securefit.conf > temp_nginx.conf
+
+      - name: Copy nginx config to correct place
+        run: |
+          sudo cp temp_nginx.conf /etc/nginx/conf.d/nginx_securefit.conf
+          sudo chmod 644 /etc/nginx/conf.d/nginx_securefit.conf  # Ensure correct permissions
+
+      - name: Restart nginx
+        run: sudo systemctl reload nginx
 
       - name: Show nginx file
-        run: cat /etc/nginx/conf.d/default.conf
+        run: cat /etc/nginx/conf.d/nginx_securefit.conf