- Add fallback to read from container environment variables
- Maintains backward compatibility with .env file approach
- Allows setting VITE_* vars directly in Portainer UI
This enables flexible deployment:
- File-based: Mount .env file (docker-compose)
- Env-based: Set env vars in Portainer container settings
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
