I have made good progress with my initial installation but am now stuck.
Fixed images on pages are fine. However when I uploaded images into my galleries, all I see is a whirling circle in place of each preview. Any idea what has gone wrong?
The DigitalOcean instance is using <1% CPU, 37% memory, 6% disk -- so it doesn't appear to have run out of resources. I can't see any strange messages in the Apache2 log file.
Searching the forum gave me some notes for nginx setup, but this is plain Apache only.