helm/templates/init-cassandra-configmap.yml

apiVersion: v1
data:
  init.cql: |
    CREATE KEYSPACE IF NOT EXISTS nexustiles WITH REPLICATION = { 'class': 'SimpleStrategy', 'replication_factor': 1 };

    CREATE TABLE IF NOT EXISTS nexustiles.sea_surface_temp  (
    tile_id    	uuid PRIMARY KEY,
    tile_blob  	blob
    );
kind: ConfigMap
metadata:
  name: init-cassandra
  namespace: {{ .Release.Namespace }}