# КЛГ АСУ ТК — Frontend (Next.js)
FROM node:20-alpine AS builder

WORKDIR /app
COPY package.json ./
RUN npm install --production=false
COPY . .
RUN npm run build

FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production

COPY --from=builder /app/.next ./.next
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./
COPY --from=builder /app/public ./public

HEALTHCHECK --interval=30s --timeout=5s \
    CMD wget -q --spider http://localhost:3000 || exit 1

EXPOSE 3000
CMD ["npm", "start"]