diff --git a/Dockerfile b/Dockerfile
index 7f60882..54aa46c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,8 @@ EXPOSE 9000
 FROM nginx:alpine AS nginx
 COPY nginx.conf.template /nginx.conf.template
 COPY --from=builder /var/www/html /var/www/html
-CMD ["/bin/sh" , "-c" , "envsubst '${SERVER_NAME}' < /nginx.conf.template > /etc/nginx/nginx.conf && exec nginx -g 'daemon off;'"]
+ENV FASTCGI_PASS=phpfpm:9000
+CMD ["/bin/sh" , "-c" , "envsubst '${SERVER_NAME} ${FASTCGI_PASS}' < /nginx.conf.template > /etc/nginx/nginx.conf && exec nginx -g 'daemon off;'"]
 EXPOSE 8080
 
 FROM phpfpm AS php-adfsmfa
diff --git a/nginx.conf.template b/nginx.conf.template
index b701a04..8166997 100644
--- a/nginx.conf.template
+++ b/nginx.conf.template
@@ -47,7 +47,7 @@ http {
             alias /var/www/html/public;
 
             location ~ \.php(/|$) {
-                fastcgi_pass     phpfpm:9000;
+                fastcgi_pass     ${FASTCGI_PASS};
                 fastcgi_index    index.php;
                 fastcgi_param    SCRIPT_FILENAME  $request_filename;
                 fastcgi_split_path_info ^(.+?\.php)(/.*)$;