FROM node:20-slim

WORKDIR /app

COPY package*.json ./
RUN npm install

COPY . .

# Build-time env vars for Next.js NEXT_PUBLIC_ variables
ARG NEXT_PUBLIC_OPENROUTER_API_KEY
ARG NEXT_PUBLIC_OPENROUTER_MODEL=qwen/qwen3-coder:free
ENV NEXT_PUBLIC_OPENROUTER_API_KEY=$NEXT_PUBLIC_OPENROUTER_API_KEY
ENV NEXT_PUBLIC_OPENROUTER_MODEL=$NEXT_PUBLIC_OPENROUTER_MODEL

RUN npm run build

EXPOSE 7860

ENV PORT=7860
ENV NODE_ENV=production

CMD ["sh", "-c", "node server.js"]