Dockerfile

FROM node:22-slim AS base
WORKDIR /app

# Install dependencies
FROM base AS deps
COPY package.json package-lock.json ./
RUN npm ci

# Build the app
FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# Production image
FROM base AS runner
ENV NODE_ENV=production
ENV HOSTNAME=0.0.0.0
ENV PORT=3000

RUN addgroup --system --gid 1001 nodejs && \
    adduser --system --uid 1001 nextjs && \
    mkdir -p /app/data && chown nextjs:nodejs /app/data

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=builder /app/src/prompts ./src/prompts

USER nextjs
EXPOSE 3000

VOLUME ["/app/data"]

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