The Complete Github Actions Amp; Workflows Guide Free Download
Platt Wingo
Automate, customize, and execute your software development workflows right in your repository with GitHub Actions. You can discover, create, and share actions to perform any job you'd like, including CI/CD, and combine actions in a completely customized workflow.
In section 1 we will have a quick conceptual introduction to what workflows, actions, jobs, steps and other terms that we will see are. We will also learn about YAML which is the format used to write workflows in GitHub. Then we will start writing our workflow and take a look at basic things like writing commands, using different shells and using actions including the most common action which is the checkout action.
You can use GitHub CLI in your Actions workflows to perform almost any GitHub interaction you can think of. Write down everything each step will need to do to complete the step. Store links for reference as your work on your course.
To automate development workflows with GitHub Actions, users create definitions using a workflow file, or YAML file, and store these files in the GitHub repository under the .github/workflows directory. A workflow run is triggered three ways: via an external event, a scheduled event, or a GitHub repository event (such as push or pull requests to a GitHub repo or issue creation).
A workflow is an automated process made up of several jobs that are carried out when triggered by events. Workflows are defined in YAML files and stored in a .githubworkflows directory in the repository.
Actions are used to perform complex tasks that you may import into workflows, such as sending a notification email. You can build your own actions or reuse open-source actions available on the GitHub marketplace.
The example below is a basic CI setup and job using theCypress GitHub Action torun Cypress tests within the Electron browser. This GitHub Action configurationis placed within .github/workflows/main.yml.
GitHub Actions makes it very easy to run Selenium browser testing. If you are not yet familiar with basic test automation with GitHub Actions or how to run automated tests with Selenium, we have separate detailed guides on this. We recommend reading these articles if the concepts are completely new to you, as we will not cover the basics in this article:
That's it! We've now successfully set up our repository workflows to run our Selenium tests, either against a single web browser or multiple web browsers, and then submit and report the results to our testing tool. You can also combine this approach with additional workflow steps for additional non-Selenium unit tests (e.g. backend, API, mobile tests) and run all your different test suites in the same workflow. You can learn more about implementing non-browser test suites with GitHub actions in our additional articles:
If you build or maintain code in GitHub, the Honeycomb Buildevents Action can help you optimize the performance of your build pipelines in GitHub Actions. This blog introduces you to the gha-buildevents Action and a new hands-on quickstart guide that will show you the inner workings of GitHub Actions workflows, the buildevents tool, and the Honeycomb UI.
GitHub Actions is designed to automate all your software workflows, such as building, testing, and deploying your code directly from GitHub. GitHub Actions workflows are a series of automated processes (or actions) that can be triggered to run by any arbitrary event. For example, before you merge a PR, you might want to trigger a workflow that will test that code before you take another action (like deployment).
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All GitHub Actions are handled via workflows, which are .yml files placed under the .github/workflows directory in a repository that defines automated processes. It brings automation directly into the software development lifecycle via event-driven triggers such as creating a pull request or pushing a code into a remote branch.
GitHub Actions is a popular CI/CD platform for automating build, test, and deployment pipelines. Docker provides official actions that simplify image building, annotation, and pushing within GitHub Actions workflows.
One of the main issues found with GitHub Actions is how to trigger sub-workflows from the main workflow. In an ideal world, developers should be able to manage their actions within a single workflow and add responsibilities to each job along with the conditions they depend on.
GitHub Actions is a popular CI/CD platform for automating your build, test, anddeployment pipeline. Docker provides a set of official GitHub Actions for you touse in your workflows. These official actions are reusable, easy-to-usecomponents for building, annotating, and pushing images.
In the above diagram, jobs are represented by yellow boxes, green boxes represent workflow. Your github repository can have many workflows and each workflow can have many jobs. As soon as trigger happens, Github will execute the jobs through either Github hosted runner or even you can use self hosted runner.
I've created a simple repository with only readme file in it. Now, we're going to create our first workflow. All workflows reside at .github/workflows directory. This .github directory should be created at the root directory with respect to your repo. I've created a workflow by name basics.yml as shown in below picture.
You don't need to run multi-line commands for a complex scenario. There are many github actions readily available which you can use. If you're a developer, you might be using many external packages in your application to perform a specific task. Using existing github actions in your workflow is similar to that.
There is github actions marketplace - from which you can choose any action based on your needs. If you're used npm, this is simliar to that. These actions were developed based on needs of common scenarios one might face during development of workflows.
The difference between manually executing the command and using checkout github action is that many of the steps are simplified. For example, authentication is handled automatically. So, it is advisable to use github actions from renowned creators as they may have handled edge cases that we might not have thought. As any one can publish github action, it is necessary to verify the credibility of the creator before using that github action.
Building a Docker image via GitHub Actions requires creating a new folder and file in your repository. You need to create a .github directory at the root of your repo, followed by a workflows directory inside it. Then you are going to add a YAML file called ci.yml.
The new workflow_run event enables you to trigger a new workflow when one or more workflows are requested or completed. Runs triggered by the workflow_run event always use the default branch for the repository, and have access to a read/write token as well as secrets. As an example, as a maintainer you could set up a workflow that takes the artifacts generated by the pull request workflow, do some analysis, and post comments back to the pull request. This event is also available as a webhook and works all repos.
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