feat: add listen port from env

.env

@@ -9,7 +9,7 @@
 
 # General
 
-# The path to save the data.
+# The path to save the data
 # string
 # (optional)
 # Saving logs (if the full path is not specified),
@@ -18,6 +18,12 @@
 # If you want to change this value, you need to change the values in Settings.json and move the file itself to the desired location.
 PATH_TO_SAVE=
 
+# Internal port configuration
+# integer
+# (optional)
+# Specify the internal port on which the server will listen.
+INTERNAL_PORT=
+
 # Security
 
 # JWT signature token

Endpoint/Program.cs

@@ -16,6 +16,7 @@ using Mirea.Api.Endpoint.Middleware;
 using Mirea.Api.Security.Services;
 using System;
 using System.IO;
+using Microsoft.AspNetCore.Hosting;
 
 namespace Mirea.Api.Endpoint;
 
@@ -66,6 +67,15 @@ public class Program
             });
         });
 
+        if (!string.IsNullOrEmpty(builder.Configuration.GetValue<string>("INTERNAL_PORT")))
+        {
+            builder.WebHost.ConfigureKestrel(options =>
+            {
+                options.ListenLocalhost(
+                    int.Parse(builder.Configuration.GetValue<string>("INTERNAL_PORT")!));
+            });
+        }
+
         builder.Services.Configure<ForwardedHeadersOptions>(options =>
         {
             var secretForward = builder.Configuration.Get<GeneralConfig>();