Try to fix cloudflare caches

stacks/recipe/Dockerfile

@@ -1,8 +1,9 @@
 # Use the lightweight Nginx image
 FROM nginx:alpine
 
-# Copy everything from your repository into the Nginx serving directory
+COPY nginx/default.conf /etc/nginx/conf.d/default.conf
-COPY ./ /usr/share/nginx/html
+COPY index.html /usr/share/nginx/html/
+COPY js /usr/share/nginx/html/js
+COPY css /usr/share/nginx/html/css
 
-# Tell Docker this container listens on port 80
 EXPOSE 80

stacks/recipe/nginx/default.conf

@@ -0,0 +1,14 @@
+server {
+    listen 80;
+    server_name localhost;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Do not store responses in browser or shared caches (Cloudflare, etc. respect unless overridden)
+    add_header Cache-Control "no-store, no-cache, must-revalidate, max-age=0" always;
+    add_header Pragma "no-cache" always;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+}