TL;DR How to install?

  wget -O rd6549.zip https://github.com/enexusde/Ramdisk-service/archive/refs/heads/main.zip  && unzip -o rd6549.zip && rm rd6549.zip && cd Ramdisk-service-main/ && chmod +x install.sh && sudo ./install.sh

Ramdisk-service

Create and load ramdisk on boot, persist and unmount ramdisk at shutdown

Why you came here

You have a slow pc. You have memory free.

Why dont you build a solution by yourself?

You do not have time. You like to have a open-source solution where bugs can be reported and fixed.

Who wrote the original?

Erling Hellenäs. A software development professional living in Stockholm, Sweden, with educations in industrial management and engineering, computer science, psychology and business administration.

https://erlhelinfotech.wordpress.com/2013/02/20/ramdisk-service-for-systemd/