diff --git a/Dockerfile.prod b/Dockerfile.prod
index 66a3f39..6cb7370 100644
--- a/Dockerfile.prod
+++ b/Dockerfile.prod
@@ -1,7 +1,5 @@
 # --- Build stage ---
 FROM node:22 AS build
-ENV NODE_ENV=production
-ENV ORIGIN=https://tatort.innovation-hub-niedersachsen.de
 WORKDIR /app
 COPY package*.json ./
 RUN npm ci
@@ -11,7 +9,11 @@ RUN npm run build
 
 # --- Production stage ---
 FROM node:22-alpine3.20
-COPY --from=build /app .
+ENV NODE_ENV=production
+ENV ORIGIN=https://tatort.innovation-hub-niedersachsen.de
+COPY --from=build /app/build ./build
+COPY --from=build /app/package*.json ./
+RUN npm ci --omit=dev
 ENV HOST=0.0.0.0
 EXPOSE 3000
-CMD ["sh", "-c", "ORIGIN=https://tatort.innovation-hub-niedersachsen.de node build/index.js"]
+CMD ["node", "build/index.js"]
diff --git a/tailwind.config.js b/tailwind.config.cjs
similarity index 100%
rename from tailwind.config.js
rename to tailwind.config.cjs