GitHub uses eBPF to prevent deployment circular dependencies

GitHub is employing eBPF (extended Berkeley Packet Filter) technology to enhance the safety and reliability of its deployment processes. The company, which hosts its own source code on github.com, faces a challenge with potential circular dependencies that could halt deployments if the platform is unavailable. To mitigate this, GitHub uses eBPF to monitor and block specific system calls within its new host-based deployment system, preventing deployment scripts from creating their own dependencies on internal services or external binaries. This approach ensures greater resilience and prevents critical failures.