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Steps to create an End-to-End Sample Workflow

Pre-requisites

  • Create a new Web App in Azure Portal with runtime stack as .NETCore and OS as Linux/Windows
  • Copy Publish Profile Settings of the app

Create a workflow file

  • In the GitHub repo with Application code, Click on Actions tab and click on New workflow in the left pane to view the getting started experience.
  • Select an existing template from the Popular continuous integration workflows or just select Set up a workflow yourself on the top right
  • A new file called .github/workflows/main.yml gets created displaying a starter workflow
  • Copy the sample YAML template from https://github.com/Azure/actions-workflow-samples/blob/master/asp.net-core-webapp-on-azure.yml
  • Replace the app-name to your Web app name.
  • Commit the workflow file

Configure secrets in the GH repo:

  • In the GH repo with Application code, Define a new secret under repository by navigating to settings > secrets > Add a new secret
  • Paste the contents for the downloaded publish profile file into the secret's value field
  • Now in the workflow file in your branch: .github/workflows/workflow.yml replace the secret for the input publish-profile: of the deploy Azure WebApp action

Demo Steps

  • Commit a change in the index file
  • You should see a new GitHub Action initiated in Actions tab.
  • At the end of the execution, navigate to the App URL to visualise the change introduced

Workflow YAML explained

  • Checkout Checkout your Git repository content into Github Actions agent.
  • Environment setup using Setup DotNet - Sets up a dotnet environment by optionally downloading and caching a version of dotnet by SDK version and adding to PATH .
  • DotNet Build & Publish
  • Deploy to App service using azure/webapps-deploy@v1 action which authenticates using Azure Web App Publish Profile which we configured using the secret set up at the repo level
name: ASP.NET Core app deploy to Azure

on: [push,pull_request]

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    steps:

    # checkout the repo
    - uses: actions/checkout@master
    
    - name: Setup .NET Core
      uses: actions/setup-dotnet@v1
      with:
        dotnet-version: 2.2.108 # Replace with specific Node version

    
    # dotnet build and publish
    - name: Build with dotnet
      run: dotnet build --configuration Release
    - name: dotnet publish
      run: |
        dotnet publish -c Release -o myapp 
        
    - name: 'Run Azure webapp deploy action using publish profile credentials'
      uses: azure/webapps-deploy@v1
      with: 
        app-name: dotnetcoreGH # Replace with your app name
        publish-profile: ${{ secrets.azureWebAppPublishProfile }} # Define secret variable in repository settings as per action documentation
        package: './myapp'