Update update_primary_nginx.yml

.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:
@@ -10,6 +10,7 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v3
+
       - name: Dotenv Action
         uses: falti/dotenv-action@v1.1.4
         with:
@@ -19,11 +20,10 @@ jobs:
       - 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: Create temporary nginx config file
+        run: |
+          cat ./nginx_template.txt | envsubst '\$PROD_PORT_PREFIX \$GATEWAY_POSTFIX \$DEV_PORT_PREFIX \$STAG_PORT_PREFIX' > temp_default.conf
+
       - name: Copy temporary file to correct place 
         run: cp temp_default.conf /etc/nginx/conf.d/default.conf