github actions crash course

github actions is a powerful tool that enables automation of workflows directly within your github repository. it allows you to create custom ci/cd pipelines, automate tasks, and run tests whenever code is pushed, creating a more efficient and streamlined development process.

here is a crash course on github actions:

1. **setting up a workflow**:
- create a `.github/workflows` directory in your repository.

2. **syntax**:
- workflows are written in yaml format.
- each workflow consists of one or more jobs, which can run in parallel or sequentially.
- jobs are made up of steps, which define individual tasks to be executed.

3. **triggers**:
- workflows can be triggered by events like pushes, pull requests, or scheduled cron jobs.
- define triggers using the `on` key in your workflow file.

4. **jobs**:
- define jobs using the `jobs` key in your workflow file.
- each job can run on different operating systems and environments.

5. **steps**:
- define steps within a job using the `steps` key.
- each step can run a command, checkout code, or perform other actions.

6. **example workflow**:

in this example, the workflow is triggered on every push and pull request. it defines a job named `build` that runs on the latest version of ubuntu. the steps include checking out the code, installing dependencies, and running tests using npm.

7. **workflow runs**:
- once a workflow is defined, it will be executed automatically based on the triggers you have set.
- you can view the status and output of workflow runs in the actions tab of your repository.

github actions provides a wide range of pre-built actions and integrations that you can use to automate various tasks in your workflow. you can also create custom actions to suit your specific needs.

start exploring github actions to automate your workflows and improve your developmen ...

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