Recreated Dockerfile. Apparently the problem was with encoding.

Author: Hackitect7

nginx/Dockerfile

@@ -8,4 +8,4 @@ FROM nginx:alpine  # Base image with Nginx and Alpine Linux to keep the image si
 COPY nginx.conf /etc/nginx/nginx.conf
 
 # The container will use the default CMD provided by the nginx:alpine image,
-# which automatically starts the Nginx server using the provided configuration
+# which automatically starts the Nginx server using the provided configuration