HubService: use/store default kestrel config

Author: webprofusion-chrisc

src/Certify.Server/Certify.Server.HubService/Certify.Server.HubService.csproj

@@ -23,10 +23,6 @@
         <PackageReference Include="System.Text.Encodings.Web" Version="9.0.4" />
     </ItemGroup>
 
-    <ItemGroup>
-        <ContainerPort Include="8081" />
-    </ItemGroup>
-
     <ItemGroup>
         <ProjectReference Include="..\..\Certify.Aspire\Certify.Aspire.ServiceDefaults\Certify.Aspire.ServiceDefaults.csproj" />
         <ProjectReference Include="..\..\Certify.Shared\Certify.Shared.Core.csproj" />

src/Certify.Server/Certify.Server.HubService/Program.cs

@@ -40,6 +40,25 @@
 
 var builder = WebApplication.CreateBuilder(args);
 
+// allow settings to be loaded from the app data path, that way settings are preserved between re-installs, copy a default config so service starts on localhost:8080
+var settingsPath = EnvironmentUtil.EnsuredAppDataPath();
+var hubSettings = Path.Combine(settingsPath, "hub-service.json");
+var defaultHubSettings = Path.Combine(cwd, "default-settings.json");
+
+#if !DEBUG
+if (!File.Exists(hubSettings) && File.Exists(defaultHubSettings))
+{
+    // copy default config if it doesn't exist
+    File.Copy(
+        defaultHubSettings,
+        hubSettings,
+        false
+    );
+}
+#endif
+
+builder.Configuration.AddJsonFile(hubSettings, optional: true, reloadOnChange: true);
+
 // if windows, run as service, otherwise run as console app
 if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
 {

src/Certify.Server/Certify.Server.HubService/default-settings.json

@@ -0,0 +1,29 @@
+{
+    "Logging": {
+        "LogLevel": {
+            "Default": "Information",
+            "Microsoft": "Warning",
+            "Microsoft.Hosting.Lifetime": "Information"
+        }
+    },
+    "Kestrel": {
+        "Endpoints": {
+            "SvcHttpEndpoint": {
+                "Url": "http://0.0.0.0:8080"
+            }
+            // exmaple HTTP config. Before using, acquire a certificate for desired host e.g. certifyhub.intranet.yourdomain.com
+            // Then add a Deployment Task (Export Certificate) to export pfx to where it's required e.g. C:\ProgramData\certify\internal-certs\hub.pfx , then run the task to export the initial certificate.
+            // the choice of port and filename etc is arbitrary, as long as the process can access the file.
+            // https://learn.microsoft.com/en-us/aspnet/core/fundamentals/servers/kestrel/endpoints?view=aspnetcore-9.0
+            /*
+              "HttpsInlineCertFile": {
+                "Url": "https://0.0.0.0:9697",
+                "Certificate": {
+                  "Path": "C:\\ProgramData\\certify\\internal-certs\\hub.pfx",
+                  "Password": ""
+                }
+              }
+            */
+        }
+    }
+}