Update Dockerfile

Dockerfile

@@ -42,6 +42,9 @@ FROM nginx:1.27-alpine AS runtime
 # $PORT (defaults to 80) and serves the SPA with hash-routing fallback.
 RUN rm /etc/nginx/conf.d/default.conf
 
+# Create the templates directory before writing to it
+RUN mkdir -p /etc/nginx/templates
+
 # Inline nginx config — kept here so the image is reproducible without
 # any extra files outside the Docker build context.
 RUN printf '%s\n' \