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.
You can run directly without docker by downloading it and using the command
./yarr -open