add env vars

src/EllieBot.VotesApi/Program.cs

@@ -1,9 +1,15 @@
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Hosting;
 using EllieBot.VotesApi;
 
 CreateHostBuilder(args).Build().Run();
 
-static IHostBuilder CreateHostBuilder(string[] args) =>
-    Host.CreateDefaultBuilder(args)
-        .ConfigureWebHostDefaults(webBuilder => { webBuilder.UseStartup<Startup>(); });
+static IHostBuilder CreateHostBuilder(string[] args)
+    => Host.CreateDefaultBuilder(args)
+        .ConfigureAppConfiguration(c => c.AddEnvironmentVariables())
+        .ConfigureWebHostDefaults(webBuilder =>
+        {
+            webBuilder
+                .UseStartup<Startup>();
+        });