diff --git a/EnvelopeGenerator.Finalizer/EnvelopeGenerator.Finalizer.csproj b/EnvelopeGenerator.Finalizer/EnvelopeGenerator.Finalizer.csproj
index 40c1c511..5abe0cc6 100644
--- a/EnvelopeGenerator.Finalizer/EnvelopeGenerator.Finalizer.csproj
+++ b/EnvelopeGenerator.Finalizer/EnvelopeGenerator.Finalizer.csproj
@@ -8,8 +8,11 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="9.0.10" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.10" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.1" />
+    <PackageReference Include="Quartz" Version="3.15.1" />
+    <PackageReference Include="Quartz.Extensions.Hosting" Version="3.15.1" />
     <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
     <PackageReference Include="Serilog.Settings.Configuration" Version="9.0.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
diff --git a/EnvelopeGenerator.Finalizer/Program.cs b/EnvelopeGenerator.Finalizer/Program.cs
index e98c7e0d..5cc1115c 100644
--- a/EnvelopeGenerator.Finalizer/Program.cs
+++ b/EnvelopeGenerator.Finalizer/Program.cs
@@ -6,6 +6,7 @@ using EnvelopeGenerator.Infrastructure;
 using MediatR;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Options;
+using Quartz;
 using Serilog;
 
 // Load Serilog from appsettings.json
@@ -58,8 +59,9 @@ try
             opt.AddDbContext((provider, options) =>
             {
                 var logger = provider.GetRequiredService<ILogger<EGDbContext>>();
-                options.UseSqlServer(connStr)
-                        .LogTo(log => logger.LogInformation("{log}", log), LogLevel.Trace)
+                var useInMemoryDb = config.GetValue<bool>("UseInMemoryDb");
+                var dbCtxOpt = useInMemoryDb ? options.UseInMemoryDatabase("EGInMemoryDb") : options.UseSqlServer(connStr);
+                dbCtxOpt.LogTo(log => logger.LogInformation("{log}", log), LogLevel.Trace)
                         .EnableSensitiveDataLogging()
                         .EnableDetailedErrors();
             });
diff --git a/EnvelopeGenerator.Finalizer/appsettings.Database.json b/EnvelopeGenerator.Finalizer/appsettings.Database.json
index 4124b453..c6c9cdfc 100644
--- a/EnvelopeGenerator.Finalizer/appsettings.Database.json
+++ b/EnvelopeGenerator.Finalizer/appsettings.Database.json
@@ -17,5 +17,6 @@
     "EnvelopeReceiverReadOnly": [ "TBSIG_ENVELOPE_RECEIVER_READ_ONLY_UPD" ],
     "Receiver": [],
     "EmailTemplate": [ "TBSIG_EMAIL_TEMPLATE_AFT_UPD" ]
-  }
+  },
+  "UseInMemoryDb": true
 }
\ No newline at end of file