Dockerfile

FROM node:20-alpine AS deps

WORKDIR /app

COPY package.json package-lock.json ./
RUN npm ci

FROM node:20-alpine AS builder

WORKDIR /app
ENV NEXT_TELEMETRY_DISABLED=1

COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

FROM node:20-alpine AS runner

WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV HOSTNAME=0.0.0.0
ENV PORT=3000

RUN addgroup -S nodejs && adduser -S nextjs -G nodejs

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

USER nextjs

EXPOSE 3000

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