FROM node:20-slim

# TLS certificates (critical for Telegram + Gemini + z-ai API connections)
RUN apt-get update && \
    apt-get install -y --no-install-recommends ca-certificates curl && \
    update-ca-certificates && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install dependencies
COPY package.json ./
RUN npm install --production

# Copy source and z-ai config
COPY index.js ./
COPY .z-ai-config /etc/.z-ai-config

# Temp directory for generated images
RUN mkdir -p gen

EXPOSE 7860

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