Selenium::WebDriver::Error::UnknownError: unknown error: DevToolsActivePort file doesn't exist (Driver info: chromedriver=2.40.565383 (76257d1ab79276b2d53ee976b2c3e3b9f335cde7),platform=Linux 4.9.87-linuxkit-aufs x86_64) Dockerのインストール はじめに、下記サイトからDocker for Macをインストール。 Docker環境構築 Dockerfile、docker-compose.yml、Gemfile、Gemfile.lockの4つを作成 FROM ruby:2.5 RUN apt-get update -qq && apt-get install -y bui
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