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How to create a Selenium Grid using Docker

This is a tutorial for creating a Selenium grid with Docker and Docker Compose using environment variables, above is the vid and below you will find some useful notes. 1.Pre-reqs Have Docker installed Have the code for our previous Galen Tests project or your own set of selenium tests locally 2.What is selenium grid Selenium grid is set of services or applications that allows us to create a testing environment in which we can test against different combinations of browsers and operating systems. You can also use it to run tests in parallel. Selenium grid consists of two parts. A hub that receives the selenium test commands, like click on this button or enter some text on a textfield, and passes them to the appropriate nodes. And the nodes that register themselves against the selenium hub providing to it the in…