Dockerfile

# VisitRomagna — Multi-stage Dockerfile (Feature 4)
# Build: docker build -t visitromagna .
# Run:   docker run -p 3000:3000 visitromagna

FROM node:22-alpine AS base
WORKDIR /app

# Dependencies stage
FROM base AS deps
COPY package.json package-lock.json ./
RUN npm ci --ignore-scripts
COPY prisma/ ./prisma/
COPY prisma.config.ts ./
RUN npx prisma generate

# Build stage
FROM base AS builder
COPY --from=deps /app/node_modules ./node_modules
COPY . .
ENV NEXT_TELEMETRY_DISABLED=1
ENV DATABASE_URL="file:./dev.db"
RUN npm run build

# Production stage
FROM base AS runner
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

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

COPY --from=builder /app/public ./public
COPY --from=builder /app/prisma ./prisma
COPY --from=builder /app/prisma.config.ts ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs
EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/api/health || exit 1

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