Mysql2::Error: Can't connect to MySQL server on '192.168.246.145' (113 "No route to host")

 

# openproject

#docker

# docker -mysql

# docker - postgres

# 数据库迁移

# mysql>postgres

报错：

Mysql2::Error: Can't connect to MySQL server on '192.168.246.145' (113 "No route to host")

.............................

Tasks: TOP => db:migrate => environment
(See full trace by running task with --trace)
  Could not migrate database