it works ... somehow (?)

Dockerfile.nuxt

@@ -1,6 +1,8 @@
 FROM node:22-alpine AS build
 WORKDIR /app
 
+RUN sysctl -w net.ipv6.conf.all.disable_ipv6=1 || true
+
 RUN corepack enable
 
 COPY . /app/
@@ -10,14 +12,20 @@ RUN pnpm i
 RUN pnpm build
 
 FROM node:22-alpine
+WORKDIR /app
 
 # Only `.output` folder is needed from the build stage
 COPY --from=build /app/.output/ ./
 
 # Change the port and host
-ENV PORT=80
+ENV PORT=3000
 ENV HOST=0.0.0.0
 
-EXPOSE 80
+EXPOSE 3000
+
+ENV DOWNLOAD_FOLDER=/tmp/downloads
+VOLUME ["/tmp/downloads"]
+
+ENV FASTAPI_URL=http://127.0.0.1:8000
 
 CMD ["node", "/app/server/index.mjs"]