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Using GitHub Actions to deploy a .Net Web App

·489 words·3 mins
GitHubActions
Author
Gregor Suttie
Passionate about all things Azure. Microsoft Azure MVP, blogger, speaker and community enthusiast based in Scotland.

So I wanted to take a look into GitHub Action’s and deploy a .Net Web App, this is my first real look into them and will be blogging about them a lot more in the future, below are the steps I took to do this.

  • Create a basic .Net MVC Web App using .Net Core 3.1
  • Run the app and make sure all is working as expected.
  • Deploy this to Azure web app to Azure and check it runs ok.
  • I then go into my Resource Group, locate the app service and from the click on ‘Get publish profile’ - download the file and keep handy.
  • Then I added the code to GitHub in a new repo which you can find here: - https://github.com/gsuttie/GHActionsWebApp1
  • Next, I need to create a **secret **from within GitHub, so once you have your code in a new repository within Github go click on **Settings **and then **Security **and click Add a new secret, call it azureWebAppPublishProfile if you want to use the YAML below.
  • Then I click on Actions and create my first workflow, I chose, Setup a workflow yourself.
  • And then from here - https://github.com/actions/setup-dotnet I used the YAML and pasted in so that my main.yaml file looks like this

name: Deploy ASP.NET Core app to Azure Web App

on: push: branches: - master pull_request: branches: - ‘*’

CONFIGURATION
#

For help, go to https://github.com/Azure/Actions
#

#

1. Set up the following secrets in your repository:
#

AZURE_WEBAPP_PUBLISH_PROFILE
#

#

2. Change these variables for your configuration:
#

env: AZURE_WEBAPP_NAME: dummywebsite # set this to your application’s name AZURE_WEBAPP_PACKAGE_PATH: ‘.’ # set this to the path to your web app project, defaults to the repository root DOTNET_VERSION: ‘3.1.100’ # set this to the dot net version to use

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

  # Checkout the repo
  - uses: actions/checkout@master
  
  # Setup .NET Core SDK
  - name: Setup .NET Core
    uses: actions/setup-dotnet@v1
    with:
      dotnet-version: ${{ env.DOTNET_VERSION }} 
  
  # Run dotnet build and publish
  - name: dotnet build and publish
    run: |
      dotnet build --configuration Release
      dotnet publish -c Release -o '${{ env.AZURE_WEBAPP_PACKAGE_PATH }}/myapp' 
      
  # Deploy to Azure Web apps
  - name: 'Run Azure webapp deploy action using publish profile credentials'
    uses: azure/webapps-deploy@v2
    with: 
      app-name: ${{ env.AZURE_WEBAPP_NAME }} # Replace with your app name
      publish-profile: ${{ secrets.azureWebAppPublishProfile }} # Define secret variable in repository settings as per action documentation
      package: '${{ env.AZURE_WEBAPP_PACKAGE_PATH }}/myapp'

For more samples to get started with GitHub Action workflows to deploy to Azure, refer to https://github.com/Azure/actions-workflow-samples
#

  • If you plan to use the Yaml from the above, mind and change the one setting which is AZURE_WEBAPP_NAME - I set this to **dummywebsite **so rename that to whatever your app service is called.
  • Save that, and then start your new GitHub workflow.
  • If all is well then your good to go, push a change to the web app and it should build and deploy automatically using your new GitHub Action.

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