server-scripts/backup-postgres

#!/usr/bin/env bash

set -eu -o pipefail

# restore:
# psql -f $database.dump  postgres
export PATH="/usr/bin/:$PATH"
LIST=$(lxc-attach -n postgres -- psql -h postgres -U postgres -At -c "select datname from pg_database order by datname;")
for d in $LIST; do
  [ "$d" == "template0" ] && continue
  lxc-attach -n postgres -- pg_dump -h postgres -U postgres "$d" | gzip -c > "$d.dump.gz"
done