Moved the NodeJS version of the application to the app/ directory.

app/Dockerfile

@@ -0,0 +1,34 @@
+FROM node:24-trixie-slim AS build
+
+WORKDIR /app
+
+COPY app-new/backend/package*.json backend/
+COPY app-new/frontend/package*.json frontend/
+RUN cd backend && npm ci
+RUN cd frontend && npm ci
+
+COPY app-new .
+
+RUN cd backend && npm run build
+RUN cd frontend && npm run build
+RUN cd backend && npm prune --omit=dev
+
+FROM node:24-trixie-slim AS runtime
+
+WORKDIR /app
+ENV NODE_ENV=production
+ENV PORT=3000
+
+COPY --from=build /app/dist dist
+COPY --from=build /app/templates templates
+COPY --from=build /app/templates.json templates.json
+COPY --from=build /app/backend/node_modules dist/backend/node_modules
+
+WORKDIR /app
+COPY entrypoint.sh entrypoint.sh
+COPY healthcheck.js healthcheck.js
+RUN chmod +x entrypoint.sh
+
+EXPOSE 3000
+HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 CMD ["node", "/app/healthcheck.js"]
+ENTRYPOINT ["./entrypoint.sh"]