FROM node:18-alpine AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

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

# Rebuild the source code only when needed
FROM node:18-alpine AS builder
WORKDIR /app

COPY . .
COPY --from=deps /app/node_modules ./node_modules

ENV NEXT_TELEMETRY_DISABLED 1

RUN npm run build

FROM node:18-alpine AS runner
WORKDIR /app

ENV NODE_ENV production
ENV NEXT_TELEMETRY_DISABLED 1

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

COPY --from=builder --chown=nextjs:nodejs /app/.next ./.next
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/public ./public

USER nextjs

EXPOSE 3000

ENV PORT 3000

CMD ["npm", "start"]