#!/bin/bash

set -e
set -u

function create_database_grant_privilege() {
        local database=$1
        echo "  Creating database '$database' and granting privileges to '$POSTGRES_USER'"
        psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" <<-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_grant_privilege $db
        done
        echo "Multiple databases created"
fi