FROM node:20-slim AS deps
WORKDIR /app
COPY package.json /app/package.json
RUN npm install

FROM node:20-slim AS builder
WORKDIR /app
COPY --from=deps /app/node_modules /app/node_modules
COPY . /app
RUN npm run build

FROM node:20-slim AS runner
WORKDIR /app
ENV NODE_ENV=production
COPY --from=builder /app/.next/standalone /app
COPY --from=builder /app/.next/static /app/.next/static
COPY --from=builder /app/public /app/public
EXPOSE 3000
CMD ["node", "server.js"]