Cant Connect to remote MySQL db from docker container on centos 8

General
3

I used docker-compose to manage the docker container. And this is my docker-compose file. Mysql server not running on docker engine. I was trying to reach DB via net.

version: ‘3.8’
services:
redmine:
image: redmine:4.1.1-alpine
environment:
REDMINE_DB_MYSQL: 10.15.0.5
REDMINE_DB_PORT: 3306
REDMINE_DB_USERNAME: root
REDMINE_DB_PASSWORD: password
REDMINE_DB_DATABASE: database
ports:
- 8080:3000
volumes:
- ./data/:/usr/src/redmine/files

Thanks you