Oracle Database Express on Docker Compose

compose.yaml

services:
  database:
    image: container-registry.oracle.com/database/express:latest
    environment:
      - ORACLE_PWD=PRUEBA123
    volumes:
      - ./data:/opt/oracle/oradata
    ports:
      - "1521:1521"

setupdatafolder.sh

#!/bin/bash
if [[ ! -s data ]]
then
	echo 'Creating folder data/'
	if [[ $? -ne 0 ]]
	then
		exit 1
	fi
	mkdir data
fi

if [[  $(ls -n data | grep 54321 | wc -l) -ge 1 ]]
then
echo 'Folder data/ already owned by oracle user'
exit 0
fi

echo 'Requesting sudo permission to change data/ ownership top oracle user (54321)'
sudo chown 54321 data
if [[ $? -eq 0 ]]
then
	echo 'Folder now owned by oracle user'
fi