[React/Rails] WebSocket connection to 'ws://localhost:3000/ws' failed が発生してレスポンスが受け取れない - Qiita[React/Rails] WebSocket connection to 'ws://localhost:3000/ws' failed が発生してレスポンスが受け取れないRailserrorDockerReact 動作環境 MacOS M1 BigSur 11.6 Docker "20.10.8" node "14.17.5" yarn "1.22.5" react-scripts "5.0.1" axios "^0.27.2" Rails "6.1.6" APIモード 結論 Reactのルートディレクトリ直下に.envファイルを作成し、下記の記述をする
![[React/Rails] WebSocket connection to 'ws://localhost:3000/ws' failed が発生してレスポンスが受け取れない - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/a6cefaaadc64d4ab982be556f12bf5a38a557104/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-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%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBLYW1lZ3J1ZW9uJnR4dC1jb2xvcj0lMjMyMTIxMjEmdHh0LWZvbnQ9SGlyYWdpbm8lMjBTYW5zJTIwVzYmdHh0LXNpemU9MzYmdHh0LWFsaWduPWxlZnQlMkN0b3Amcz1mMjBiZjg0MzRjYmFkMDIzZWJmZWMxYzFkNmQ5YWFiZA%26blend-x%3D142%26blend-y%3D486%26blend-mode%3Dnormal%26s%3Da4a22a74d9b0da95dd1cf4ff2dc064ed)
