Feat(config): Add custom config for web UI URLs/port.

Dockerfile.linux

@@ -4,6 +4,7 @@ VOLUME ["/smtp4dev"]
 WORKDIR /
 ENV XDG_CONFIG_HOME /
 ENV ASPNETCORE_HTTP_PORTS 80
+ENV SERVEROPTIONS__URLS http://*:80
 EXPOSE 80
 EXPOSE 25
 EXPOSE 143

Dockerfile.linux.arm64

@@ -4,6 +4,7 @@ VOLUME ["/smtp4dev"]
 WORKDIR /
 ENV XDG_CONFIG_HOME /
 ENV ASPNETCORE_HTTP_PORTS 80
+ENV SERVEROPTIONS__URLS http://*:80
 EXPOSE 80
 EXPOSE 25
 EXPOSE 143

Dockerfile.windows

@@ -5,6 +5,7 @@ EXPOSE 80
 EXPOSE 25
 EXPOSE 143
 ENV ASPNETCORE_HTTP_PORTS 80
+ENV SERVEROPTIONS__URLS http://*:80
 VOLUME c:\smtp4dev
 WORKDIR c:\
 ENTRYPOINT ["/app/Rnwood.Smtp4dev.exe"]

Rnwood.Smtp4dev/Program.cs

@@ -142,8 +142,6 @@ private static string GetContentRoot()
 
         private static IHost BuildWebHost(string[] args, CommandLineOptions cmdLineOptions, MapOptions<CommandLineOptions> commandLineOptions)
         {
-
-
             var contentRoot = GetContentRoot();
             var dataDir = GetOrCreateDataDir(cmdLineOptions);
             _log.Information("DataDir: {dataDir}", dataDir);
@@ -155,9 +153,9 @@ private static IHost BuildWebHost(string[] args, CommandLineOptions cmdLineOptio
                 .ConfigureAppConfiguration(
                     (hostingContext, configBuilder) =>
                     {
-                        IHostEnvironment env = hostingContext.HostingEnvironment;
+                        var env = hostingContext.HostingEnvironment;
 
-                        IConfigurationBuilder cb = configBuilder
+                        var cb = configBuilder
                             .SetBasePath(env.ContentRootPath)
                             .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true);
 
@@ -168,20 +166,20 @@ private static IHost BuildWebHost(string[] args, CommandLineOptions cmdLineOptio
                             cb = cb.AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: true);
                             cb = cb.AddJsonFile(Path.Join(dataDir, "appsettings.json"), optional: true, reloadOnChange: true);
 
-
                             _log.Information("User settings file: {file}", Path.Join(dataDir, "appsettings.json"));
                         }
 
                         cb.AddEnvironmentVariables()
                             .AddCommandLineOptions(commandLineOptions);
 
-                        IConfigurationRoot config = cb
+                        var config = cb
                             .Build();
 
                         hostingContext.HostingEnvironment.EnvironmentName = config["Environment"];
 
                         if (cmdLineOptions.DebugSettings)
                         {
+
                             Console.WriteLine(JsonSerializer.Serialize(new SettingsDebugInfo
                             {
                                 CmdLineArgs = Environment.GetCommandLineArgs(),
@@ -192,26 +190,33 @@ private static IHost BuildWebHost(string[] args, CommandLineOptions cmdLineOptio
                             }, SettingsDebugInfoSerializationContext.Default.SettingsDebugInfo));
                         }
 
+
                     });
 
-            builder.UseWindowsService(s => s.ServiceName = "smtp4dev");
+
             builder.ConfigureWebHostDefaults(c =>
             {
                 c.UseStartup<Startup>();
                 c.UseShutdownTimeout(TimeSpan.FromSeconds(10));
 
-                if (!string.IsNullOrEmpty(cmdLineOptions.Urls))
-                {
-                    c.UseUrls(cmdLineOptions.Urls.Split(';', StringSplitOptions.RemoveEmptyEntries).Select(u => u.Trim()).ToArray());
-                }
-                c.ConfigureServices(services =>
+                c.ConfigureServices((webBuilderContext, services) =>
                 {
+                    ServerOptions serverOptions = webBuilderContext.Configuration.GetSection("ServerOptions").Get<ServerOptions>();
+
+                    if (!string.IsNullOrEmpty(serverOptions.Urls))
+                    {
+                        c.UseUrls(serverOptions.Urls.Split(';', StringSplitOptions.RemoveEmptyEntries).Select(u => u.Trim()).ToArray());
+                    }
+
                     services.AddSingleton(cmdLineOptions);
-                    services.AddHostedService<Smtp4devServer>(sp => (Smtp4devServer)sp.GetRequiredService<ISmtp4devServer>());
-                    services.AddHostedService<ImapServer>(sp => sp.GetRequiredService<ImapServer>());
+                    services.AddHostedService(sp => (Smtp4devServer)sp.GetRequiredService<ISmtp4devServer>());
+                    services.AddHostedService(sp => sp.GetRequiredService<ImapServer>());
                 });
             });
 
+            builder.UseWindowsService(s => s.ServiceName = "smtp4dev");
+
+
 
 
             return builder.Build();

Rnwood.Smtp4dev/Properties/launchSettings.json

@@ -5,7 +5,8 @@
       "commandLineArgs": "--db=database2.db",
       "launchBrowser": true,
       "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Development"
+        "ASPNETCORE_ENVIRONMENT": "Development",
+          "SERVEROPTIONS__URLS": "http://*:1234"
       },
       "applicationUrl": "http://localhost:5000/"
     }

Rnwood.Smtp4dev/Server/Settings/ServerOptions.cs

@@ -5,6 +5,8 @@ namespace Rnwood.Smtp4dev.Server.Settings
 {
     public record ServerOptions
     {
+        public string Urls { get; set; }
+
         public int Port { get; set; } = 25;
         public bool AllowRemoteConnections { get; set; } = true;
 

Rnwood.Smtp4dev/Server/Settings/ServerOptionsSource.cs

@@ -6,6 +6,8 @@ namespace Rnwood.Smtp4dev.Server.Settings
 {
     public record ServerOptionsSource
     {
+        public string Urls { get; set; }
+
         private int? port;
 
         public int? Port { get => port; set => port = value.HasValue ? Guard.Against.OutOfRange(value.Value, nameof(value), 0, 65535) : null; }

Rnwood.Smtp4dev/appsettings.json

@@ -13,6 +13,12 @@
     // Default value: false
     "LockSettings": false,
 
+    // The URLs the web interface should listen on.
+    // For example, http://localhost:123. 
+    // Use `*` in place of hostname to listen for requests on any IP address or hostname using the specified port and protocol (for example, http://*:5000).
+    // Separate multiple values with ;
+    "Urls": "http://localhost:5000",
+
     // Specifies the virtual path from web server root where SMTP4DEV web interface will be hosted. e.g. "/" or "/smtp4dev"
     // Default value: "/"
     "BasePath": "/",

docker-compose.yml

@@ -22,6 +22,9 @@ services:
       #Specifies the virtual path from web server root where SMTP4DEV web interface will be hosted. e.g. "/" or "/smtp4dev"
       #- ServerOptions__BasePath=/smtp4dev
 
+      #Specifies the URLs the web UI will use inside the container.
+      - ServerOptions__Urls=http://*:80
+
       #Specifies the server hostname. Used in auto-generated TLS certificate if enabled.
       - ServerOptions__HostName=smtp4dev