fix: nginx 404 route

Author: matheus-mcosta

Diff for: Dockerfile

@@ -25,5 +25,7 @@ FROM nginx:1.27.2-alpine AS prod
 
 ARG APP_PATH_DEFAULT
 
+COPY --from=builder ${APP_PATH_DEFAULT}/nginx.conf /etc/nginx/conf.d/default.conf
+
 COPY --from=builder ${APP_PATH_DEFAULT}/build /usr/share/nginx/html/docs
 COPY --from=builder ${APP_PATH_DEFAULT}/static/img/favicon.svg /usr/share/nginx/html/docs

Diff for: nginx.conf

@@ -0,0 +1,22 @@
+server {
+    listen       80;
+    listen  [::]:80;
+    server_name  localhost;
+
+    # This location serves index.html as the homepage
+    location / {
+        root   /usr/share/nginx/html/;  # Adjust path if your files are in a different location
+        index  /docs/index.html;  # Ensure index.html is set as the default index
+        try_files $uri $uri/ /docs/index.html;  # Fallback to index.html for any unknown path
+    }
+
+    # Handle 404 errors
+    error_page  404  = /docs/index.html;  # Redirect 404 errors to index.html
+
+    # Handle server errors
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   /usr/share/nginx/html;
+    }
+}
+