Open Source Summit Europe 2024

The container landscape is undergoing a transformation with innovative snapshotters and image formats. But how do we leverage these advancements to empower developers with more cost-effective solutions? Open source projects like Colima and Finch are paving the way for this new wave of container tooling. While they didn't fully meet our specific needs, they provided valuable building blocks for our solution. In our pursuit of achieving truly reproducible builds, we explored Nix and Nix-snapshotter. Combining the power of Nix, a robust package manager, with Nix-snapshotter's efficient caching capabilities within containerd, and the cross-platform functionality of Lima for managing Linux VMs, we've unlocked a new level of consistency and reproducibility for developers' software builds. This project empowers developers with unprecedented flexibility and control over their containerized environments. By embracing these innovations, we can expect reduced CI resource consumption, faster build times, and simplified security and compliance.