postgis
- $PGDATA="/postgis/data" - POSTGRESQL data directory
- $POSTGRESQL_USER - Database user name
- $POSTGRESQL_PASSWORD - User's password
- $POSTGRESQL_DATABASE - Name of the database to create
- $POSTGRESQL_ADMIN_PASSWORD (Optional) - Password for the 'postgres'- PostgreSQL administrative account
oc volume dc/postgis --add --claim-size 1Gi --mount-path /postgis/data --name postgis-data