Backing up images on ghost while migrating servers

ghost-k8s-backup-notes.sh

# 1. Connect to the old cluster
#    and take a copy of the old files

kubectl exec -it deploy/ghost -- /bin/ghost
cd ~
cp -nr /var/lib/ghost/content .

# Delete unnecessary files before gzipping
# Be sure to remove .tar.gz files in particular
# In most cases, you probably only need content/images
tar -czf v30-2025-11-29-backup.tar.gz content/

exit
kubectl cp ghost-podsha:/root/v30-2025-11-29-backup.tar.gz v30-2025-11-29-backup.tar.gz


# 2. Connect to the new cluster
#    and update ghost to use the new files

kubectl cp v30-2025-11-29-backup.tar.gz ghost-podsha:/root/v30-2025-11-29-backup.tar.gz

kubectl exec -it deploy/ghost -- /bin/bash
cd ~
tar -xf v30-2025-11-29-backup.tar.gz 
rmdir /var/lib/ghost/content/images
cp -r content/images/ /var/lib/ghost/content/images
cd /var/lib/ghost/content
chown -R node:node images