# ============================================
# Dockerfile for Hugging Face Spaces
# Education Presentation System with SSE
# ============================================

FROM node:20-alpine

# Install bash and curl
RUN apk add --no-cache bash curl

# Set working directory
WORKDIR /app

# Install bun
RUN npm install -g bun

# Copy package files
COPY package.json bunfig.toml ./

# Install dependencies
RUN bun install --frozen-lockfile

# Copy source code
COPY . .

# Build Next.js app
RUN bun run build

# Create necessary directories
RUN mkdir -p /app/data

# HF Spaces configuration
ENV PORT=7860
ENV HOST=0.0.0.0
ENV NODE_ENV=production

# Expose port (HF Spaces uses 7860)
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
  CMD curl -f http://localhost:7860/ || exit 1

# Copy and setup start script
COPY start.sh /start.sh
RUN chmod +x /start.sh && sed -i 's/\r$//' /start.sh

CMD ["/start.sh"]