# Multi-stage Dockerfile for Next.js (no lockfile required)
FROM node:20-alpine AS deps
WORKDIR /app
COPY package.json .
RUN npm install

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

FROM node:20-alpine AS runner
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
WORKDIR /app
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/next.config.mjs ./next.config.mjs
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/app ./app
COPY --from=builder /app/styles ./styles
EXPOSE 3000
CMD ["npm","run","start"]