Dockerfile

FROM node:22-bookworm-slim AS base

# Install dependencies only when needed
FROM base AS deps

WORKDIR /app

ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"

RUN corepack enable

COPY package.json pnpm-lock.yaml ./
RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm install --frozen-lockfile

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
ENV NEXT_TELEMETRY_DISABLED=1

RUN corepack enable

COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN --mount=type=cache,id=pnpm,target=/pnpm/store pnpm run build

# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

RUN addgroup --system --gid 10001 nodejs
RUN adduser --system --uid 10001 nextjs


# Automatically leverage output traces to reduce image size
# https://nextjs.org/docs/advanced-features/output-file-tracing
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

USER 10001

EXPOSE 3000

ENV PORT=3000

# server.js is created by next build from the standalone output
# https://nextjs.org/docs/pages/api-reference/config/next-config-js/output
ENV HOSTNAME="0.0.0.0"
CMD ["node", "server.js"]