Ruby on Railsの勉強環境の作成

メインで参考にしたサイト

Ruby 3.x, Rails 7.x, PostgreSQL の Docker 環境構築 2023 #Rails - Qiita

途中以下のエラーが発生

bash

$ docker compose run frontend rails db:create
[+] Creating 1/0
 ✔ Container free-market-app-backend-1  Running                                                                                0.0s 
FATAL:  could not open file "global/pg_filenode.map": Permission denied
Couldn't create 'myapp_development' database. Please check your configuration.
rails aborted!
ActiveRecord::ConnectionNotEstablished: FATAL:  could not open file "global/pg_filenode.map": Permission denied (ActiveRecord::ConnectionNotEstablished)


Caused by:
PG::ConnectionBad: FATAL:  could not open file "global/pg_filenode.map": Permission denied (PG::ConnectionBad)

Tasks: TOP => db:create
(See full trace by running task with --trace)

解決策

ホストマシン上で以下のコマンドを実行してtmo/dbの権限を付与して解決した

bash

# ホストマシン上で実行
sudo chown -R 1000:1000 ./tmp/db
sudo chmod -R 700 ./tmp/db