add builder container

Dockerfile

@@ -1,12 +1,23 @@
-FROM node:lts-alpine
+FROM node:lts-alpine AS builder
 
 RUN apk add --no-cache pnpm
 
+WORKDIR /app
 COPY package.json pnpm-lock.yaml ./
 RUN pnpm install
-COPY . ./
+COPY . .
 RUN pnpm build
 
+FROM node:lts-alpine
+
+WORKDIR /app
+RUN apk add --no-cache pnpm
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --prod
+COPY --from=builder /app/.next ./.next
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/next.config.js ./
+
 ENV PORT 3000
 ENV NODE_ENV production
 EXPOSE 3000