[Unit]
Description=Load/Dump database on start/stop
After=syslog.target
After=network.target
Requires=postgresql.service

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/bash -c ". /etc/environment && /usr/local/bin/db-load /vol/data/sql/$DBNAME-updown.sql"
ExecStop=/bin/bash -c ". /etc/environment && /usr/local/bin/db-dump /vol/data/sql/$DBNAME-updown.sql"

[Install]
WantedBy=multi-user.target