# syntax=docker/dockerfile:1
# Needs output: "standalone" in next.config.ts.

FROM node:24-alpine AS base
WORKDIR /app
RUN corepack enable

# Install dependencies only when the lockfile changes.
FROM base AS deps
COPY package.json pnpm-lock.yaml ./
RUN --mount=type=cache,id=pnpm,target=/root/.local/share/pnpm/store \
    pnpm install --frozen-lockfile

# Build the app.
FROM base AS build
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV NEXT_TELEMETRY_DISABLED=1
RUN pnpm build

# Run the standalone server as a non-root user.
FROM node:24-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production \
    NEXT_TELEMETRY_DISABLED=1 \
    PORT=3000 \
    HOSTNAME=0.0.0.0
RUN addgroup -S -g 1001 nodejs && adduser -S -u 1001 -G nodejs nextjs
COPY --from=build --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=build --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=build --chown=nextjs:nodejs /app/public ./public
USER nextjs
EXPOSE 3000
CMD ["node", "server.js"]