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Elixirのイメージで使われているOTPのバージョンを確認する。

Posted at
docker-compose run <container_app_name> bash

コンテナの中で下記のように確認します。

Creating phx_mysql_template_app_run ... done
bash-5.0# which erl
/usr/local/bin/erl
bash-5.0# cd /usr/local/bin/
bash-5.0# ls -l erl
lrwxrwxrwx    1 root     root            21 Dec 21  2020 erl -> ../lib/erlang/bin/erl
bash-5.0# cd ../lib/erlang/
bash-5.0# cat releases/
23/             RELEASES        RELEASES.src    start_erl.data  
bash-5.0# cat releases/23/OTP_VERSION 
23.2.1

使われているOTPのバージョンは23.2.1でした。

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