# FAL AI 视频生成器 - Hugging Face Spaces (Docker Runtime)
# Node 18 Alpine minimal image
FROM node:18-alpine

# Set working directory
WORKDIR /app

# Install runtime tools (curl) for HEALTHCHECK
RUN apk add --no-cache curl

# Set env
ENV NODE_ENV=production

# Copy package manifests
COPY package.json package-lock.json* ./

# Install deps
# Use npm ci when package-lock.json exists; fallback to npm install otherwise
RUN if [ -f package-lock.json ]; then npm ci --omit=dev; else npm install --omit=dev; fi

# Copy app code
COPY server.js ./server.js
COPY public ./public

# Create writable dirs
RUN mkdir -p video uploads && \
    adduser -D -h /app appuser && \
    chown -R appuser:appuser /app

# Expose default port
EXPOSE 7860

# Healthcheck (uses PORT if provided by platform)
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
  CMD curl -sf http://127.0.0.1:${PORT:-7860}/api/health || exit 1

# Run as non-root
USER appuser

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