diff --git a/HrynCo.NotificationService.Api/AppSettings.cs b/HrynCo.NotificationService.Api/AppSettings.cs
new file mode 100644
index 0000000..a6d15cd
--- /dev/null
+++ b/HrynCo.NotificationService.Api/AppSettings.cs
@@ -0,0 +1,8 @@
+namespace HrynCo.NotificationService.Api;
+
+public sealed class AppSettings
+{
+    public const string SectionName = "App";
+
+    public string ConnectionString { get; init; } = string.Empty;
+}
\ No newline at end of file
diff --git a/HrynCo.NotificationService.Api/Program.cs b/HrynCo.NotificationService.Api/Program.cs
index 2798628..95b1753 100644
--- a/HrynCo.NotificationService.Api/Program.cs
+++ b/HrynCo.NotificationService.Api/Program.cs
@@ -1,3 +1,4 @@
+using HrynCo.NotificationService.Api;
 using HrynCo.NotificationService.DAL.EF;
 using HrynCo.NotificationService.Services;
 using Serilog;
@@ -7,13 +8,14 @@ var builder = WebApplication.CreateBuilder(args);
 builder.Host.UseSerilog((context, lc) =>
     lc.ReadFrom.Configuration(context.Configuration));
 
+var appSettings = builder.Configuration
+    .GetSection(AppSettings.SectionName)
+    .Get<AppSettings>() ?? throw new InvalidOperationException("App settings are not configured.");
+
+builder.Services.AddSingleton(appSettings);
 builder.Services.AddOpenApi();
 builder.Services.AddControllers();
-
-string connectionString = builder.Configuration.GetConnectionString("Default")
-    ?? throw new InvalidOperationException("Connection string 'Default' is not configured.");
-
-builder.Services.AddNotificationDataAccess(connectionString);
+builder.Services.AddNotificationDataAccess(appSettings.ConnectionString);
 builder.Services.AddNotificationServices();
 
 var app = builder.Build();
diff --git a/HrynCo.NotificationService.Api/appsettings.json b/HrynCo.NotificationService.Api/appsettings.json
index 253cb2d..c78a6b6 100644
--- a/HrynCo.NotificationService.Api/appsettings.json
+++ b/HrynCo.NotificationService.Api/appsettings.json
@@ -1,6 +1,6 @@
 {
-  "ConnectionStrings": {
-    "Default": "Host=localhost;Port=5432;Database=notification_service;Username=postgres;Password=postgres"
+  "App": {
+    "ConnectionString": "Host=localhost;Port=5432;Database=notification_service;Username=postgres;Password=postgres"
   },
   "Serilog": {
     "MinimumLevel": {
diff --git a/HrynCo.NotificationService.Worker/AppSettings.cs b/HrynCo.NotificationService.Worker/AppSettings.cs
new file mode 100644
index 0000000..c8cd459
--- /dev/null
+++ b/HrynCo.NotificationService.Worker/AppSettings.cs
@@ -0,0 +1,8 @@
+namespace HrynCo.NotificationService.Worker;
+
+public sealed class AppSettings
+{
+    public const string SectionName = "App";
+
+    public string ConnectionString { get; init; } = string.Empty;
+}
\ No newline at end of file
diff --git a/HrynCo.NotificationService.Worker/Program.cs b/HrynCo.NotificationService.Worker/Program.cs
index bb7026a..bebce7a 100644
--- a/HrynCo.NotificationService.Worker/Program.cs
+++ b/HrynCo.NotificationService.Worker/Program.cs
@@ -8,10 +8,12 @@ var builder = Host.CreateApplicationBuilder(args);
 builder.Services.AddSerilog(lc =>
     lc.ReadFrom.Configuration(builder.Configuration));
 
-string connectionString = builder.Configuration.GetConnectionString("Default")
-    ?? throw new InvalidOperationException("Connection string 'Default' is not configured.");
+var appSettings = builder.Configuration
+    .GetSection(AppSettings.SectionName)
+    .Get<AppSettings>() ?? throw new InvalidOperationException("App settings are not configured.");
 
-builder.Services.AddNotificationDataAccess(connectionString);
+builder.Services.AddSingleton(appSettings);
+builder.Services.AddNotificationDataAccess(appSettings.ConnectionString);
 builder.Services.AddNotificationServices();
 builder.Services.AddHostedService<Worker>();
 
diff --git a/HrynCo.NotificationService.Worker/appsettings.json b/HrynCo.NotificationService.Worker/appsettings.json
index 117dbc3..67e3bf3 100644
--- a/HrynCo.NotificationService.Worker/appsettings.json
+++ b/HrynCo.NotificationService.Worker/appsettings.json
@@ -1,6 +1,6 @@
 {
-  "ConnectionStrings": {
-    "Default": "Host=localhost;Port=5432;Database=notification_service;Username=postgres;Password=postgres"
+  "App": {
+    "ConnectionString": "Host=localhost;Port=5432;Database=notification_service;Username=postgres;Password=postgres"
   },
   "Serilog": {
     "MinimumLevel": {