fix: replace nginx.conf entirely, bypass entrypoint conflict

frontend/Dockerfile

@@ -8,6 +8,6 @@ RUN npm run build
 FROM nginx:alpine
 COPY --from=build /app/dist /usr/share/nginx/html
 RUN rm -f /etc/nginx/conf.d/default.conf
-COPY nginx.conf /etc/nginx/conf.d/app.conf
+COPY nginx.conf /etc/nginx/nginx.conf
 EXPOSE 80
 CMD ["nginx", "-g", "daemon off;"]

frontend/nginx.conf

@@ -1,10 +1,24 @@
-server {
-    listen 80;
-    server_name _;
-    root /usr/share/nginx/html;
-    index index.html;
+worker_processes auto;
 
-    location / {
-        try_files $uri $uri/ /index.html;
+events {
+    worker_connections 1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    sendfile    on;
+    keepalive_timeout 65;
+
+    server {
+        listen 80;
+        server_name _;
+        root /usr/share/nginx/html;
+        index index.html;
+
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
     }
 }