Move node env prod step to later step

Dockerfile

@@ -1,7 +1,5 @@
 FROM docker.io/node:20.15.0-alpine AS builder
 
-ENV NODE_ENV production
-
 WORKDIR /app
 COPY package.json package-lock.json ./
 RUN npm ci
@@ -18,5 +16,6 @@ COPY package.json package-lock.json ./
 RUN npm ci --omit dev
 COPY --from=builder /app/build /app
 EXPOSE 3000
+ENV NODE_ENV production
 
 CMD ["node", "."]