diff --git a/src/LudikZoneBlazor/LudikZoneBlazor.csproj b/src/LudikZoneBlazor/LudikZoneBlazor.csproj
index 08f9275..a9e2c9c 100644
--- a/src/LudikZoneBlazor/LudikZoneBlazor.csproj
+++ b/src/LudikZoneBlazor/LudikZoneBlazor.csproj
@@ -15,10 +15,10 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore" Version="8.*" />
     <PackageReference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" Version="8.*" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.*" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.*" />
     <PackageReference Include="MudBlazor" Version="7.*" />
     <PackageReference Include="Extensions.MudBlazor.StaticInput" Version="2.*" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.*" />
   </ItemGroup>
 
 </Project>
diff --git a/src/LudikZoneBlazor/Program.cs b/src/LudikZoneBlazor/Program.cs
index 328156d..97b2415 100644
--- a/src/LudikZoneBlazor/Program.cs
+++ b/src/LudikZoneBlazor/Program.cs
@@ -5,6 +5,7 @@ using MudBlazor.Services;
 using LudikZoneBlazor.Components;
 using LudikZoneBlazor.Components.Account;
 using LudikZoneBlazor.Data;
+using Npgsql;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -27,11 +28,21 @@ builder.Services.AddAuthentication(options =>
     })
     .AddIdentityCookies();
 
-var connectionString = builder.Configuration.GetConnectionString("DefaultConnection") ?? throw new InvalidOperationException("Connection string 'DefaultConnection' not found.");
+#region Base de données
+string a = builder.Configuration["DB_HOST"];
+NpgsqlConnectionStringBuilder conStrBuilder = new NpgsqlConnectionStringBuilder(builder.Configuration.GetConnectionString("DefaultConnection"));
+conStrBuilder.Host = string.IsNullOrEmpty(builder.Configuration["DB_HOST"]) ? conStrBuilder.Host : builder.Configuration["DB_HOST"];
+conStrBuilder.Username = string.IsNullOrEmpty(builder.Configuration["DB_USER"]) ? conStrBuilder.Username : builder.Configuration["DB_USER"];
+conStrBuilder.Database = string.IsNullOrEmpty(builder.Configuration["DB_DATABASE"]) ? conStrBuilder.Database : builder.Configuration["DB_DATABASE"];
+conStrBuilder.Port = int.TryParse(builder.Configuration["DB_PORT"], out int tempVal) ? tempVal : conStrBuilder.Port;
+conStrBuilder.Password = builder.Configuration["DB_PASSWORD"];
+
 builder.Services.AddDbContext<ApplicationDbContext>(options =>
-    options.UseSqlite(connectionString));
+    options.UseNpgsql(conStrBuilder.ToString()));
 builder.Services.AddDatabaseDeveloperPageExceptionFilter();
 
+#endregion
+
 builder.Services.AddIdentityCore<ApplicationUser>(options => options.SignIn.RequireConfirmedAccount = true)
     .AddEntityFrameworkStores<ApplicationDbContext>()
     .AddSignInManager()
diff --git a/src/LudikZoneBlazor/appsettings.Development.json b/src/LudikZoneBlazor/appsettings.Development.json
index 0c208ae..96d5b8c 100644
--- a/src/LudikZoneBlazor/appsettings.Development.json
+++ b/src/LudikZoneBlazor/appsettings.Development.json
@@ -1,8 +1,9 @@
 {
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
-    }
-  }
-}
+    "Logging": {
+        "LogLevel": {
+            "Default": "Information",
+            "Microsoft.AspNetCore": "Warning"
+        }
+    },
+    "DB_HOST": "localhost"
+}
\ No newline at end of file