# ── Stage 1: Base ── FROM node:22-alpine AS base RUN apk add --no-cache libc6-compat # ── Stage 2: Dependencies ── FROM base AS deps WORKDIR /app COPY package.json package-lock.json ./ RUN npm ci # ── Stage 3: Builder ── FROM base AS builder WORKDIR /app ARG EXTENSIONS_PRESET=self-hosted COPY --from=deps /app/node_modules ./node_modules COPY . . # Apply extension preset (must happen before build — prebuild hook # runs setup:extensions which reads extensions.config.json) COPY docker/extensions.${EXTENSIONS_PRESET}.json ./extensions.config.json # Build with placeholder sentinel values for NEXT_PUBLIC_* vars. # These get replaced at runtime by docker-entrypoint.sh so the image # is generic and reusable across different Supabase projects. ENV NEXT_PUBLIC_SUPABASE_URL=__NEXT_PUBLIC_SUPABASE_URL__ ENV NEXT_PUBLIC_SUPABASE_ANON_KEY=__NEXT_PUBLIC_SUPABASE_ANON_KEY__ ENV NEXT_PUBLIC_APP_URL=__NEXT_PUBLIC_APP_URL__ ENV NEXT_PUBLIC_VAPID_PUBLIC_KEY=__NEXT_PUBLIC_VAPID_PUBLIC_KEY__ ENV NEXT_TELEMETRY_DISABLED=1 RUN npm run build # ── Stage 4: Runner ── FROM node:22-alpine AS runner WORKDIR /app RUN apk add --no-cache curl ENV NODE_ENV=production ENV NEXT_TELEMETRY_DISABLED=1 RUN addgroup --system --gid 1001 nodejs && \ adduser --system --uid 1001 nextjs # Copy standalone output COPY --from=builder /app/public ./public COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./ COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static # Copy entrypoint script COPY --chmod=755 docker-entrypoint.sh ./docker-entrypoint.sh USER nextjs EXPOSE 3000 ENV PORT=3000 ENV HOSTNAME=0.0.0.0 ENTRYPOINT ["./docker-entrypoint.sh"] CMD ["node", "server.js"]