デジタル盆栽（自宅鯖）

-p なしだとパスワード聞かれさえせず認証失敗するので -p をつける (パスワードわからないなら知らん)
https://mstdn.home.neso.tech/@lo48576@mastodon.cardina1.red/111641507385228339

できた

bash-4.2# mysql -u root -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 27
Server version: 5.7.44 MySQL Community Server (GPL)

Copyright (c) 2000, 2023, Oracle and/or its affiliates.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

root@redmine:~/redmine# docker compose exec -T db mysql redmine -u root --password=<PASSWORD> < redmine.sql

でできた．