Docker的图像是“selenium / standalone-firefox：3.4.0-chromium”，它包含Firefox和Chrome驱动程序吗？
是Docker镜像selenium/standalone-firefox:3.4.0-chromium旨在同时包含Firefox和Chrome驱动程序？
现在我有这个Dockerfile来build立一个selenium服务器：
FROM selenium/standalone-firefox:3.4.0-chromium USER root ENV NODE_ENV test RUN mkdir -p /usr/local/cdt-tests/csv-data COPY ./csv-data /usr/local/cdt-tests/csv-data USER seluser
它适用于Firefox，但我得到这个Chrome相关的错误：
[20:14:36] I/testLogger - [chrome #11] PID: 15 [chrome #11] Specs: /usr/local/cdt-tests/test/e2e/by-roles/itso/home-page/home-page-spec.js [chrome #11] [chrome #11] (node:15) [DEP0022] DeprecationWarning: os.tmpDir() is deprecated. Use os.tmpdir() instead. [chrome #11] selenium host: cdt-selenium.cdt-net [chrome #11] cdt server host: cdt-server.cdt-net [chrome #11] cdt server port: 3040 [chrome #11] [20:14:35] I/hosted - Using the selenium server at http://cdt-selenium.cdt-net:4444/wd/hub [chrome #11] [chrome #11] /usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/error.js:546 [chrome #11] throw new ctor(message); [chrome #11] ^ [chrome #11] WebDriverError: The path to the driver executable must be set by the webdriver.chrome.driver system property; for more information, see https://github.com/SeleniumHQ/selenium/wiki/ChromeDriver. The latest version can be downloaded from http://chromedriver.storage.googleapis.com/index.html [chrome #11] at Object.checkLegacyResponse (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/error.js:546:15) [chrome #11] at parseHttpResponse (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/http.js:509:13) [chrome #11] at doSend.then.response (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/http.js:441:30) [chrome #11] at <anonymous> [chrome #11] at process._tickCallback (internal/process/next_tick.js:188:7) [chrome #11] From: Task: WebDriver.createSession() [chrome #11] at Function.createSession (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/lib/webdriver.js:769:24) [chrome #11] at Function.createSession (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/chrome.js:761:15) [chrome #11] at createDriver (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/index.js:170:33) [chrome #11] at Builder.build (/usr/local/lib/node_modules/protractor/node_modules/selenium-webdriver/index.js:626:16) [chrome #11] at Hosted.getNewDriver (/usr/local/lib/node_modules/protractor/built/driverProviders/driverProvider.js:53:33) [chrome #11] at Runner.createBrowser (/usr/local/lib/node_modules/protractor/built/runner.js:195:43) [chrome #11] at q.then.then (/usr/local/lib/node_modules/protractor/built/runner.js:339:29) [chrome #11] at _fulfilled (/usr/local/lib/node_modules/protractor/node_modules/q/q.js:834:54) [chrome #11] at self.promiseDispatch.done (/usr/local/lib/node_modules/protractor/node_modules/q/q.js:863:30) [chrome #11] at Promise.promise.promiseDispatch (/usr/local/lib/node_modules/protractor/node_modules/q/q.js:796:13)
所以我唯一的猜测是Docker镜像实际上并不包含Google Chrome Selenium驱动程序？ 那么为什么图像名称中含有“铬”？ 困惑。
在这种情况下，“铬”是一个版本标志。 看看https://hub.docker.com/r/selenium/standalone-firefox/tags/ ，你会看到铋，锑，ast，铜。 这个项目显然使用元素作为版本或构build标识符。