# Base image: Node.js on Debian
FROM node:22-bookworm

# Install system dependencies: chromium, ffmpeg, sox
RUN apt-get update && apt-get install -y \
    chromium-headless-shell \
    ffmpeg \
    sox \
    libsox-fmt-all \
    ca-certificates \
    git \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /workspace

# Copy package files
COPY package*.json ./

# Install Node dependencies
RUN npm ci --include=optional

# Copy application code
COPY . .

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD node -e "require('http').get('http://localhost:3000/health', (r) => {if (r.statusCode !== 200) throw new Error(r.statusCode)})"

# Default command
CMD ["node", "src/index.js"]