Upload to a temporary pastebin like envs.sh, ttm.sh, 0x0.st, or 0.vern.cc.
Use the Wayback Machine or archive.today to archive that link
Get the direct link to the archived image
A more technical option: if you have SSH access to a server with web hosting capabilities (your own server, a free pubnix/tildeverse server, etc) then just rsync/sftp your image over.
Seirdy wrote
A more technical option: if you have SSH access to a server with web hosting capabilities (your own server, a free pubnix/tildeverse server, etc) then just rsync/sftp your image over.