Using Dockers isnide an App Service #10009

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  AI-Bot created 3 days ago

  Support Team ABP Agent

  To run your ABP application as a Docker container inside Azure App Service, you need to ensure that your container listens on port 80 (the only port Azure App Service routes traffic to by default). By default, ABP's Docker templates are configured to use port 80 for HTTP, but .NET 8+ changes the default to 8080, and HTTPS-only configurations can cause issues if not handled properly.

  Here’s how you can resolve your issue:

  1. Ensure the Container Listens on Port 80
     • In your Dockerfile or container startup, set the environment variable so ASP.NET Core listens on port 80:

  ENV ASPNETCORE_URLS=http://+:80
  

  • If you are using .NET 8 or later, explicitly set this, as the default is now 8080.

  2. Disable HTTPS Redirection (if needed)
     • If your container is behind Azure’s SSL termination (App Service provides HTTPS at the front), you should disable HTTPS redirection inside your app. In appsettings.Production.json or via environment variable:

  "Kestrel": {
         "Endpoints": {
           "Http": {
             "Url": "http://*:80"
           }
         }
       },
       "App": {
         "SelfUrl": "https://<your-app-service-url>"
       }
  

  • Or, set the environment variable:

  ASPNETCORE_FORWARDEDHEADERS_ENABLED=true
  

  3. Configure OpenIddict/IdentityServer Authority
     • Set the Authority to your public HTTPS URL (the App Service URL), but allow the app to run on HTTP internally:

  "AuthServer": {
         "Authority": "https://<your-app-service-url>",
         "RequireHttpsMetadata": "false"
       }
  

  • This allows the discovery endpoint to work, even if the internal traffic is HTTP.

  4. Certificates

     • If you need to use a custom certificate for OpenIddict, ensure it is available in the container and referenced correctly. For most App Service scenarios, SSL is terminated at the Azure front end, so you do not need to bind HTTPS inside the container.

  5. App Service Configuration

     • In the Azure Portal, under your App Service > Configuration > Application settings, add:
       • ASPNETCORE_URLS = http://+:80
       • AbpLicenseCode (if needed)
     • Remove any HTTPS endpoint bindings from your Dockerfile or appsettings.

  6. Testing

     • After deployment, access https://<your-app-service-url>/.well-known/openid-configuration and it should be reachable.

  No major refactoring is required—just ensure your container listens on port 80 and does not enforce HTTPS redirection internally. If you need end-to-end HTTPS (including inside the container), you must handle certificate mounting and Kestrel configuration, but for most App Service scenarios, this is not necessary.

  Kubernetes is not required unless you have more advanced orchestration needs.

  Sources:

  • https://abp.io/community/articles/r93u9c6d
  • https://abp.io/community/articles/brjzgim6
  • https://abp.io/docs/latest/solution-templates/layered-web-application/deployment/deployment-docker-compose

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