Update docker

src/Dockerfile-worker-api-dev

@@ -1,5 +1,5 @@
-# Use the official Microsoft ASP.NET Core runtime as the base image (required for Host.CreateDefaultBuilder)
+# Use the official Microsoft .NET runtime as the base image (for worker service, not API)
-FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
+FROM mcr.microsoft.com/dotnet/runtime:8.0 AS base
 WORKDIR /app
 
 # Use the official Microsoft .NET SDK image to build the code.

src/Managing.Workers/Program.cs

@@ -23,8 +23,11 @@ Console.WriteLine($"   ASPNETCORE_ENVIRONMENT: {aspnetcoreEnv ?? "(not set)"}");
 Console.WriteLine($"   Selected Environment: {environment}");
 Console.WriteLine("═══════════════════════════════════════════════════════════");
 
-var host = Host.CreateDefaultBuilder(args)
+var hostBuilder = new HostBuilder()
-    .UseEnvironment(environment) // Explicitly set the environment
+    .UseEnvironment(environment)
+    .UseContentRoot(AppContext.BaseDirectory);
+
+var host = hostBuilder
     .ConfigureAppConfiguration((hostingContext, config) =>
     {
         var detectedEnv = hostingContext.HostingEnvironment.EnvironmentName;
@@ -50,9 +53,21 @@ var host = Host.CreateDefaultBuilder(args)
             Console.WriteLine($"   ✓ Loaded: {envFile} (optional)");
         }
         
-        // 3. Environment variables and user secrets (highest priority)
+        // 3. Environment variables (highest priority)
-        config.AddEnvironmentVariables()
+        config.AddEnvironmentVariables();
-            .AddUserSecrets<Program>();
+        
+        // User secrets only in development (requires ASP.NET Core, so we skip in production)
+        if (detectedEnv == "Development")
+        {
+            try
+            {
+                config.AddUserSecrets<Program>();
+            }
+            catch
+            {
+                // User secrets not available, skip silently
+            }
+        }
         
         Console.WriteLine("═══════════════════════════════════════════════════════════");
     })
@@ -86,7 +101,7 @@ var host = Host.CreateDefaultBuilder(args)
                     p => p.Contains('=') ? p.Substring(p.IndexOf('=') + 1).Trim() : string.Empty,
                     StringComparer.OrdinalIgnoreCase);
 
-            var host = connectionParts.GetValueOrDefault("Host", "unknown");
+            var dbHost = connectionParts.GetValueOrDefault("Host", "unknown");
             var port = connectionParts.GetValueOrDefault("Port", "unknown");
             var database = connectionParts.GetValueOrDefault("Database", "unknown");
             var username = connectionParts.GetValueOrDefault("Username", "unknown");
@@ -96,7 +111,7 @@ var host = Host.CreateDefaultBuilder(args)
             Console.WriteLine("═══════════════════════════════════════════════════════════");
             Console.WriteLine("📊 PostgreSQL Database Configuration");
             Console.WriteLine("═══════════════════════════════════════════════════════════");
-            Console.WriteLine($"   Host: {host}");
+            Console.WriteLine($"   Host: {dbHost}");
             Console.WriteLine($"   Port: {port}");
             Console.WriteLine($"   Database: {database}");
             Console.WriteLine($"   Username: {username}");