Dockerfile

# syntax=docker/dockerfile:1

FROM node:26-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci --no-audit --no-fund

FROM node:26-alpine AS builder
WORKDIR /app
ENV NEXT_TELEMETRY_DISABLED=1
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

FROM node:26-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production NEXT_TELEMETRY_DISABLED=1
RUN addgroup -g 1001 -S nodejs && adduser -S nextjs -u 1001 \
 && mkdir -p /data/artifacts && chown -R nextjs:nodejs /data

# Standalone server output (self-contained: no CDN, fonts/CSS are bundled in the image).
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
COPY --from=builder --chown=nextjs:nodejs /app/public ./public

# Sources needed by the worker / migration entrypoints (run via node type-stripping).
COPY --from=builder --chown=nextjs:nodejs /app/src ./src
COPY --from=builder --chown=nextjs:nodejs /app/scripts ./scripts
COPY --from=builder --chown=nextjs:nodejs /app/seed ./seed
COPY --from=builder --chown=nextjs:nodejs /app/node_modules ./node_modules

USER nextjs
EXPOSE 3000
ENV PORT=3000 HOSTNAME=0.0.0.0
CMD ["node", "server.js"]