# IoT PreTester 4.6 Demo frontend
FROM node:18-alpine AS dependencies
WORKDIR /app
COPY frontend/package*.json ./
RUN npm ci

FROM node:18-alpine AS builder
WORKDIR /app
COPY --from=dependencies /app/node_modules ./node_modules
COPY frontend/ ./
ARG NEXT_PUBLIC_API_URL
ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL:-http://localhost:8000/api}
RUN npm run build

FROM node:18-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production \
    PORT=3000 \
    HOSTNAME=0.0.0.0

COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

RUN chown -R node:node /app

COPY --chown=node:node docker/entrypoint-frontend.sh /app/entrypoint.sh
RUN chmod +x /app/entrypoint.sh

USER node
EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=10s --start-period=20s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://127.0.0.1:3000/login || exit 1

ENTRYPOINT ["/app/entrypoint.sh"]
CMD ["node", "server.js"]