feat : update next config

Dockerfile

@@ -26,6 +26,7 @@ RUN pnpm install --frozen-lockfile
 COPY . .
 
 # Building app
+RUN rm -rf .next
 RUN pnpm run build
 
 EXPOSE 4000

next.config.mjs

@@ -9,13 +9,10 @@ const bundleAnalyzer = withBundleAnalyzer({
 });
 
 const nextConfig = {
-  env: {
-      _next_intl_trailing_slash: "false"
-  },
+  trailingSlash: true,
   eslint: {
     ignoreDuringBuilds: true,
   },
-  assetPrefix: 'https://kontenhumas.com/',
   images: {
     remotePatterns: [
       {