dev-stack/default/postgres/create-multiple-postgresql-databases.sh

#!/bin/bash

set -e
set -u

function create_database() {
	local database=$1
	echo "  Creating database '$database' for user '$POSTGRES_USER'"
	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "postgres" <<-EOSQL
	    CREATE DATABASE "$database";
	    GRANT ALL PRIVILEGES ON DATABASE "$database" TO "$POSTGRES_USER";
EOSQL
}

if [ -n "$POSTGRES_MULTIPLE_DATABASES" ]; then
	echo "Multiple database creation requested: $POSTGRES_MULTIPLE_DATABASES"
	for db in $(echo $POSTGRES_MULTIPLE_DATABASES | tr ',' ' '); do
		create_database $db
	done
	echo "Multiple databases created"
fi