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Damselfly
https://github.com/Webreaper/Damselfly/releases/download/4.1.0/damselfly-server-linux-4.1.0.zip
Non-containerized install instructions here
Create user and make it group photos:
groupadd photos useradd -d /data/daemons/damselfly -m -g photos damselfly
su - damselfly wget https://github.com/Webreaper/Damselfly/releases/download/4.1.0/damselfly-server-linux-4.1.0.zip
unzip damselfly-server-linux-4.1.0.zip