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Simple - ASP.NET Core Sample Application

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ASP.NET Core sample app illustrating how to use Spring Cloud Config Server as a configuration source.

Prepare

Clone this repo
$ git clone https://github.com/SteeltoeOSS/Samples
$ cd samples/Configuration/src/Simple

Run Spring Cloud Config Server

The default configuration of Spring Cloud Config Server uses https://github.com/spring-cloud-samples/config-repo for its source of configuration data.

Start Spring Cloud Config Server using one of the following:

Docker

$ docker-compose up

Build From Source

Building from source requires Java 8 JDK and Maven 3.x.

Build/Run Spring Cloud Config Server from GitHub repository
$ git clone https://github.com/spring-cloud/spring-cloud-config
$ cd spring-cloud-config\spring-cloud-config-server
$ git checkout v1.3.3.RELEASE
$ mvn spring-boot:run

Run Sample

$ dotnet restore
$ dotnet run -f netcoreapp3.1

What to Expect

After building and running the app, you should see something like the following:

$ dotnet run -f netcoreapp3.1
Using launch settings from ...
Hosting environment: development
Content root path: ....
Now listening on: http://localhost:5000
Application started. Press Ctrl+C to shut down.

Fire up a browser and open http://localhost:5000. Once on the home page, navigate to http://localhost:5000/Home/ConfigServer and you’ll see the values stored in the github repository used for the Spring Cloud Config Server samples.

If you navigate to the http://localhost:5000/Home/ConfigServerSettings, you will see the settings used by the Spring Cloud Config server client.

Change the Hosting environment setting to development (i.e., set ASPNETCORE_ENVIRONMENT=development), then restart the application. You will see different configuration data returned for that profile/hosting environment.

Note
 See the App Configuration area of the Steeltoe site for a more in-depth walkthrough of the samples and more detailed information.