[WLUG] Web server & gallery & auto-backup

I'm looking for a replacement for Google Photos. I've gotten used to my mobile devices automatically backing up my photos to the cloud and then being able to share a link to those photos in places that have limited storage, such as free Slacks. I finally got off my butt and got my phone to backup photos to my Plex server, but I can't share a link to those photos on Slack. Also, the Plex app seems to be crashing on my tablet, but I haven't tried to troubleshoot that yet. I guess that means I should set up a web server. I don't see myself maintaining a full website; I mostly just want to archive and share my pictures. I'm running Debian. What specific packages do you guys like? -- Rich