diff --git a/CarWash.Functions/EmailExtension.cs b/CarWash.Functions/EmailExtension.cs
index 2047864..35eb5ce 100644
--- a/CarWash.Functions/EmailExtension.cs
+++ b/CarWash.Functions/EmailExtension.cs
@@ -20,7 +20,7 @@ public static async Task Send(this Email email)
             if (email == null) return;
 
             // Load connection string from appsettings
-            var connectionString = Environment.GetEnvironmentVariable("StorageAccount", EnvironmentVariableTarget.Process);
+            var connectionString = Environment.GetEnvironmentVariable("ConnectionStrings:StorageAccount", EnvironmentVariableTarget.Process);
 
             // Parse the connection string and return a reference to the storage account.
             var storage = new QueueServiceClient(connectionString);
diff --git a/CarWash.Functions/FunctionsDbContext.cs b/CarWash.Functions/FunctionsDbContext.cs
index 3d08627..1ce9dd7 100644
--- a/CarWash.Functions/FunctionsDbContext.cs
+++ b/CarWash.Functions/FunctionsDbContext.cs
@@ -10,8 +10,8 @@ internal class FunctionsDbContext : DbContext, IPushDbContext
     {
         protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
         {
-            var connectionString = Environment.GetEnvironmentVariable("Database", EnvironmentVariableTarget.Process);
-            if (string.IsNullOrEmpty(connectionString)) throw new Exception("Application setting 'SqlDatabase' was not found. Add it on the Azure portal!");
+            var connectionString = Environment.GetEnvironmentVariable("ConnectionStrings:SqlDatabase", EnvironmentVariableTarget.Process);
+            if (string.IsNullOrEmpty(connectionString)) throw new Exception("Application setting 'ConnectionStrings:SqlDatabase' was not found. Add it on the Azure portal!");
             optionsBuilder.UseSqlServer(connectionString);
             var isDevelopment = Environment.GetEnvironmentVariable("Environment", EnvironmentVariableTarget.Process) == "Development";
             if (isDevelopment) optionsBuilder.UseLoggerFactory(new LoggerFactory(new[] { new DebugLoggerProvider() }));
diff --git a/CarWash.Functions/NotificationService.cs b/CarWash.Functions/NotificationService.cs
index 762c075..456debe 100644
--- a/CarWash.Functions/NotificationService.cs
+++ b/CarWash.Functions/NotificationService.cs
@@ -21,9 +21,9 @@ public static async Task SendEmailReminder(Reservation reservation, Email email)
 
         public static async Task SendPushReminder(Reservation reservation, IPushDbContext context, Notification notification)
         {
-            var vapidSubject = Environment.GetEnvironmentVariable("VapidSubject", EnvironmentVariableTarget.Process);
-            var vapidPublicKey = Environment.GetEnvironmentVariable("VapidPublicKey", EnvironmentVariableTarget.Process);
-            var vapidPrivateKey = Environment.GetEnvironmentVariable("VapidPrivateKey", EnvironmentVariableTarget.Process);
+            var vapidSubject = Environment.GetEnvironmentVariable("Vapid:Subject", EnvironmentVariableTarget.Process);
+            var vapidPublicKey = Environment.GetEnvironmentVariable("Vapid:PublicKey", EnvironmentVariableTarget.Process);
+            var vapidPrivateKey = Environment.GetEnvironmentVariable("Vapid:PrivateKey", EnvironmentVariableTarget.Process);
 
             var pushService = new PushService(context, vapidSubject, vapidPublicKey, vapidPrivateKey, new Microsoft.ApplicationInsights.TelemetryClient());
 
@@ -36,7 +36,8 @@ public static async Task SendPushReminder(Reservation reservation, IPushDbContex
 
         public static async Task SendBotReminderMessage(Reservation reservation, string queueName)
         {
-            var connectionString = Environment.GetEnvironmentVariable("ServiceBus", EnvironmentVariableTarget.Process);
+            var connectionString = Environment.GetEnvironmentVariable("ConnectionStrings:ServiceBus", EnvironmentVariableTarget.Process) ?? 
+                throw new Exception($"Failed to send bot message: ServiceBus connection string is not provided.");
 
             // since ServiceBusClient implements IAsyncDisposable we create it with "await using"
             await using var client = new ServiceBusClient(connectionString);
diff --git a/CarWash.Functions/ParkIntegrationFunction.cs b/CarWash.Functions/ParkIntegrationFunction.cs
index c4abf7c..22387f1 100644
--- a/CarWash.Functions/ParkIntegrationFunction.cs
+++ b/CarWash.Functions/ParkIntegrationFunction.cs
@@ -20,8 +20,8 @@ public static class ParkIntegrationFunction
     {
         private static readonly HttpClient _client = new HttpClient();
         private static readonly FunctionsDbContext _context = new FunctionsDbContext();
-        private static readonly string _parkApiEmail = Environment.GetEnvironmentVariable("ParkApiEmail", EnvironmentVariableTarget.Process);
-        private static readonly string _parkApiPassword = Environment.GetEnvironmentVariable("ParkApiPassword", EnvironmentVariableTarget.Process);
+        private static readonly string _parkApiEmail = Environment.GetEnvironmentVariable("ParkApi:Email", EnvironmentVariableTarget.Process);
+        private static readonly string _parkApiPassword = Environment.GetEnvironmentVariable("ParkApi:Password", EnvironmentVariableTarget.Process);
 
         /// <summary>
         /// Service Bus queue name for the chat bot's vehicle-arrived notification.