Dockerfile

# Stage 1: Dependencies
FROM node:22-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci --omit=dev

# Stage 2: Build
FROM node:22-alpine AS builder
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci
COPY . .
RUN npm run build

# Stage 3: Production
FROM node:22-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV HOSTNAME=0.0.0.0
ENV PORT=3000

RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs

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 --from=deps /app/node_modules ./node_modules
COPY --from=builder /app/data/defaults ./data/defaults
COPY --from=builder /app/data/schema ./data/schema
COPY --from=builder /app/references ./references
COPY --from=builder /app/prompts ./prompts

RUN mkdir -p data && chown nextjs:nodejs data

USER nextjs
EXPOSE 3000

CMD ["node", "server.js"]