Install a Rust nightly toolchain: go to Rustup.
Install and deploy a Garage cluster: go to Garage documentation. Make sure that you download a binary that supports K2V. Currently, you will find them in the "Extra build" section of the Download page.
Clone Aerogramme's repository:
git clone https://git.deuxfleurs.fr/Deuxfleurs/aerogramme/
Check that your compiled binary works:
You are now ready to setup Aerogramme!