FROM node:20-alpine AS base
WORKDIR /app
ENV NEXT_TELEMETRY_DISABLED=1

FROM base AS deps
COPY package.json pnpm-lock.yml ./
RUN npm i -g pnpm
RUN pnpm install --frozen-lockfile

FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN pnpm build

FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=5000

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

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

RUN touch /app/contactMessages.json && chown nextjs:nodejs /app/contactMessages.json

USER nextjs
EXPOSE 5000
CMD ["node", "server.js"]