# ── Build stage ──────────────────────────────────────────────────────────────
FROM node:20-alpine AS build
WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .

# These are injected at build time so Vite can embed them in the JS bundle.
# Set them as Build secrets in your HF Space (Settings → Repository secrets).
ARG VITE_WEBHOOK_URL
ARG VITE_FLOW_API_KEY
ARG VITE_VX_SERVER=voice.voxio.in
ENV VITE_WEBHOOK_URL=${VITE_WEBHOOK_URL} \
    VITE_FLOW_API_KEY=${VITE_FLOW_API_KEY} \
    VITE_VX_SERVER=${VITE_VX_SERVER}

RUN npm run build

# ── Runtime stage ─────────────────────────────────────────────────────────────
FROM node:20-alpine
WORKDIR /app

COPY package*.json ./
RUN npm ci --omit=dev

COPY server.js ./
COPY assets ./assets
COPY --from=build /app/dist ./dist

# HF Spaces exposes port 7860
ENV PORT=7860
EXPOSE 7860

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