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ローカル環境からdockerのmysqlへ接続

Posted at
  1. コンテナを動かす
docker run \
--name mydb \
-itd \
--hostname my-mysql \
-e MYSQL_ROOT_PASSWORD=mypassword \
-e BIND-ADDRESS=0.0.0.0 \
-p 3305:3306 \
public.ecr.aws/docker/library/mysql:8.0

※portは3305に設定

2.mysqlへ接続、DB&ユーザー&権限作成

docker exec -it <コンテナ名> mysql -u <ユーザ名> -p

3.ローカルでmysqlにログイン

mysql -u <ユーザー名> -h 127.0.0.1 -p --port=3305

エラーがでてしまう

ERROR 1045 (28000): Plugin caching_sha2_password could not be loaded: 指定されたモジュールが見つかりません。 Library path is 'caching_sha2_password.dll'

ローカルのmysqlクライアントツールでcaching_sha2_password がサポートされていないため起こる。
4.認証方法の変更

mysql> ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'new_root_password';
Query OK, 0 rows affected (0.01 sec)

再度接続してみたが、

Error 1045 (28000): Access denied for user ~~

5.userのホストを'localhost'から'%'に変更

RENAME USER 'ユーザー名'@'ホスト名' to '新ユーザー名'@'新ホスト名';

6.再度接続

mysql -u <ユーザー名> -h 127.0.0.1 -p --port=3305

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MySQL connection id is 17
Server version: 8.0.32 MySQL Community Server - GPL

Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.

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

MySQL [(none)]>

接続完了!

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