Dockerfile

# 빌드 스테이지
FROM node:20-alpine AS builder
RUN apk add --no-cache libc6-compat
RUN npm install -g pnpm

WORKDIR /app

COPY package.json ./
COPY pnpm-lock.yaml* ./

RUN if [ -f pnpm-lock.yaml ]; then pnpm install --frozen-lockfile; \
    else pnpm install; fi

COPY . .
RUN pnpm build

# 프로덕션 스테이지
FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV production

RUN apk add --no-cache libc6-compat
RUN npm install -g pnpm

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

COPY --from=builder /app/next.config.mjs ./
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json

USER nextjs

EXPOSE 3000

ENV PORT 3000

# 서버 실행
CMD ["pnpm", "start"]