Yarr, a very lightweight RSS reader. https://github.com/nkanaev/yarr
To deploy Yarr within a Docker container, you can use the Docker image provided by Wakeful-Cloud. https://github.com/Wakeful-Cloud/yarr
I have been running it on Raspberry Pi 3 for a couple of months without any issues, so I believe you won't encounter any problems.
+1
Yarr (https://github.com/nkanaev/yarr) is a versatile web-based feed aggregator that serves as both a desktop application and a personal self-hosted server.
Please be aware that the releases available on the GitHub repository "https://github.com/nkanaev/yarr" might not be the most up-to-date versions. However, you have the option to compile the application from the source code, ensuring that you benefit from essential bug fixes and improvements.