diff --git a/.github/workflows/deploy.prod-env.yml b/.github/workflows/deploy.prod-env.yml
index f2fd210..2339d78 100644
--- a/.github/workflows/deploy.prod-env.yml
+++ b/.github/workflows/deploy.prod-env.yml
@@ -26,5 +26,5 @@ jobs:
             docker pull git.wohlleben.dev/itob/rbl-news-webapp:latest
             docker stop rbl-news-webapp
             docker rm rbl-news-webapp        
-            docker run --init -d --name rbl-news-webapp -p 8000:8080 --restart=always git.wohlleben.dev/itob/rbl-news-webapp:latest 
+            docker run --init -d --name rbl-news-webapp -p 8000:8080 -e RblApiUrl=${{ vars.RBL_PROD_ENV_API_URL }} --restart=always git.wohlleben.dev/itob/rbl-news-webapp:latest 
             docker system prune -af
\ No newline at end of file
diff --git a/.github/workflows/deploy.test-env.yml b/.github/workflows/deploy.test-env.yml
index 4f40f84..9a3990d 100644
--- a/.github/workflows/deploy.test-env.yml
+++ b/.github/workflows/deploy.test-env.yml
@@ -40,5 +40,5 @@ jobs:
             docker pull git.wohlleben.dev/itob/rbl-news-webapp:latest
             docker stop rbl-news-webapp
             docker rm rbl-news-webapp
-            docker run --init -d --name rbl-news-webapp -p 8000:8080 --restart=always git.wohlleben.dev/itob/rbl-news-webapp:latest
+            docker run --init -d --name rbl-news-webapp -p 8000:8080 -e RblApiUrl=${{ vars.RBL_TEST_ENV_API_URL }} --restart=always git.wohlleben.dev/itob/rbl-news-webapp:latest
             docker system prune -af
\ No newline at end of file
diff --git a/RBLNews.Maui/MauiProgram.cs b/RBLNews.Maui/MauiProgram.cs
index 3eea644..391658f 100644
--- a/RBLNews.Maui/MauiProgram.cs
+++ b/RBLNews.Maui/MauiProgram.cs
@@ -30,8 +30,21 @@ namespace RBLNews.Maui
     		builder.Services.AddBlazorWebViewDeveloperTools();
             builder.Logging.AddDebug();
 #endif
+            
+            MauiApp app = builder.Build();
 
-            return builder.Build();
+            using var serviceScope = app.Services.CreateScope();
+            var services = serviceScope.ServiceProvider;
+
+            var environmentVariablesService = services.GetRequiredService<EnvironmentVariablesService>();
+            string? backendApiUrl = environmentVariablesService.RblApiUrl;
+
+            if (string.IsNullOrEmpty(backendApiUrl))
+            {
+                throw new Exception($"can't instantiate services, due to paramters are null. backendApiUrl: '{backendApiUrl}'");
+            }
+
+            return app;
         }
     }
 }
diff --git a/RBLNews.Shared/Services/EnvironmentVariablesService.cs b/RBLNews.Shared/Services/EnvironmentVariablesService.cs
new file mode 100644
index 0000000..ccd8048
--- /dev/null
+++ b/RBLNews.Shared/Services/EnvironmentVariablesService.cs
@@ -0,0 +1,6 @@
+namespace RBLNews.Shared.Services;
+
+public class EnvironmentVariablesService
+{
+	public string? RblApiUrl => Environment.GetEnvironmentVariable("RblApiUrl");
+}
\ No newline at end of file
diff --git a/RBLNews.Shared/Services/FeedDataService.cs b/RBLNews.Shared/Services/FeedDataService.cs
index 6a13540..4262b19 100644
--- a/RBLNews.Shared/Services/FeedDataService.cs
+++ b/RBLNews.Shared/Services/FeedDataService.cs
@@ -15,15 +15,23 @@ namespace RBLNews.Shared.Services
 
     public class FeedDataService : IFeedDataService
     {
+        private readonly EnvironmentVariablesService _environmentVariablesService;
+
         private static readonly HttpClient httpClient = new();
 
         public RssVM Feeds { get; private set; }
         
         public Action DataChanged { get; set; }
 
+
+        public FeedDataService(EnvironmentVariablesService environmentVariablesService)
+        {
+            this._environmentVariablesService = environmentVariablesService;
+        }
+        
         public async Task LoadFeeds()
         {
-            Feeds = await httpClient.GetFromJsonAsync<RssVM>("https://rblnews.de/api/feeds") ?? new RssVM();
+            Feeds = await httpClient.GetFromJsonAsync<RssVM>($"{this._environmentVariablesService.RblApiUrl}/api/feeds") ?? new RssVM();
             DataChanged.Invoke();
         }
     }
diff --git a/RBLNews.Web/Program.cs b/RBLNews.Web/Program.cs
index 9ca2574..91f494e 100644
--- a/RBLNews.Web/Program.cs
+++ b/RBLNews.Web/Program.cs
@@ -5,20 +5,33 @@ var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 builder.Services.AddRazorComponents()
-    .AddInteractiveServerComponents();
+	.AddInteractiveServerComponents();
 builder.Services.AddBlazorBootstrap();
 
 builder.Services.AddSingleton<IFeedDataService, FeedDataService>();
 builder.Services.AddSingleton<AppLifecycleService>();
+builder.Services.AddSingleton<EnvironmentVariablesService>();
 
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
 if (!app.Environment.IsDevelopment())
 {
-    app.UseExceptionHandler("/Error", createScopeForErrors: true);
-    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
-    app.UseHsts();
+	app.UseExceptionHandler("/Error", createScopeForErrors: true);
+
+	// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
+	app.UseHsts();
+}
+
+using var serviceScope = app.Services.CreateScope();
+IServiceProvider services = serviceScope.ServiceProvider;
+
+EnvironmentVariablesService environmentVariablesService = services.GetRequiredService<EnvironmentVariablesService>();
+string? backendApiUrl = environmentVariablesService.RblApiUrl;
+
+if (string.IsNullOrEmpty(backendApiUrl))
+{
+	throw new Exception($"can't instantiate services, due to paramters are null. backendApiUrl: '{backendApiUrl}'");
 }
 
 app.UseHttpsRedirection();
@@ -27,7 +40,7 @@ app.UseStaticFiles();
 app.UseAntiforgery();
 
 app.MapRazorComponents<App>()
-    .AddInteractiveServerRenderMode()
-    .AddAdditionalAssemblies(typeof(RBLNews.Shared._Imports).Assembly);
+	.AddInteractiveServerRenderMode()
+	.AddAdditionalAssemblies(typeof( RBLNews.Shared._Imports ).Assembly);
 
-app.Run();
+app.Run();
\ No newline at end of file