Dockerfile

# 위에서 도커 허브 node 이미지를 기반으로 로컬로 다운로드 및 캐싱 되었기 때문에 이미지를 가져올 수 있다.
FROM node:18-alpine AS base

# Install dependencies only when needed
FROM base AS deps

# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk add --no-cache libc6-compat

WORKDIR /app

COPY package.json pnpm-lock.yaml ./

RUN npm install -g pnpm && pnpm install

FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

#COPY .env.development .env.production
RUN yarn build

FROM base AS runner
WORKDIR /app

ENV NODE_ENV production

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

COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json

COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs

EXPOSE 3000
ENV PORT 3000

CMD ["node", "server.js"]