diff --git a/Controllers/CollaborateursApi.cs b/Controllers/CollaborateursApi.cs
index ead8209..3bfc315 100644
--- a/Controllers/CollaborateursApi.cs
+++ b/Controllers/CollaborateursApi.cs
@@ -19,6 +19,7 @@ using IO.Swagger.Security;
 using Microsoft.AspNetCore.Authorization;
 using IO.Swagger.DTO;
 using EPAServeur.IServices;
+using Microsoft.Extensions.Logging;
 
 namespace IO.Swagger.Controllers
 { 
@@ -29,9 +30,11 @@ namespace IO.Swagger.Controllers
     public class CollaborateursApiController : ControllerBase
     {
         private readonly ICollaborateurService collaborateurService;
-        public CollaborateursApiController(ICollaborateurService _collaborateurService)
+        private readonly ILogger<CollaborateursApiController> logger;
+        public CollaborateursApiController(ICollaborateurService _collaborateurService, ILogger<CollaborateursApiController> _logger)
 		{
             collaborateurService = _collaborateurService;
+            logger = _logger;
 		}
         /// <summary>
         /// 
@@ -53,10 +56,11 @@ namespace IO.Swagger.Controllers
         {
             //TODO: Uncomment the next line to return response 403 or use other options such as return this.NotFound(), return this.BadRequest(..), ...
             // return StatusCode(403, default(ErreurDTO));
-
+            logger.LogInformation("Récupération du collaborateur d'ID {idCollaborateur}", idCollaborateur);
             CollaborateurDTO collaborateurDTO = collaborateurService.GetCollaborateurById(idCollaborateur);
             if( collaborateurDTO == null)
 			{
+                logger.LogWarning("Le ccollaborateur {id} est introuvable", idCollaborateur);
                 ErreurDTO erreurDTO = new ErreurDTO()
                 {
                     Code = "404",
@@ -64,6 +68,7 @@ namespace IO.Swagger.Controllers
                 };
                 return NotFound(erreurDTO);
 			}
+            logger.LogInformation("Collaborateur {id} trouvée", idCollaborateur);
             return Ok(collaborateurDTO);
         }
 
@@ -87,10 +92,11 @@ namespace IO.Swagger.Controllers
         {
             //TODO: Uncomment the next line to return response 403 or use other options such as return this.NotFound(), return this.BadRequest(..), ...
             // return StatusCode(403, default(ErreurDTO));
-            
+            logger.LogInformation("Récupération d'un collaborateur par le mail {mail}", mail);
             CollaborateurDTO collaborateurDTO = collaborateurService.GetCollaborateurByMail(mail);
             if (collaborateurDTO == null)
             {
+                logger.LogWarning("Le collaborateur {mail} est introuvable", mail);
                 ErreurDTO erreurDTO = new ErreurDTO()
                 {
                     Code = "404",
@@ -98,6 +104,7 @@ namespace IO.Swagger.Controllers
                 };
                 return NotFound(erreurDTO);
             }
+            logger.LogInformation("Collaborateur {mail} trouvée", mail);
             return Ok(collaborateurDTO);
 
         }
@@ -124,10 +131,10 @@ namespace IO.Swagger.Controllers
         [SwaggerResponse(statusCode: 200, type: typeof(List<CollaborateurDTO>), description: "OK")]
         [SwaggerResponse(statusCode: 403, type: typeof(ErreurDTO), description: "Acces interdit")]
         public virtual IActionResult GetCollaborateurs([FromQuery][Required()]bool? asc, [FromQuery][Required()]int? numPage, [FromQuery][Required()]int? parPAge, [FromQuery]List<string> fonctions, [FromQuery]long? idAgence, [FromQuery]long? idBU, [FromQuery]string texte, [FromQuery]string tri)
-        { 
+        {
             //TODO: Uncomment the next line to return response 403 or use other options such as return this.NotFound(), return this.BadRequest(..), ...
             // return StatusCode(403, default(ErreurDTO));
-
+            logger.LogInformation("Récupération de la liste des collaborateurs");
             return Ok(collaborateurService.GetCollaborateurs(asc, numPage, parPAge, fonctions, idAgence, idBU, texte, tri));
             
         }
diff --git a/EPAServeur.csproj b/EPAServeur.csproj
index c4915ce..5900bca 100644
--- a/EPAServeur.csproj
+++ b/EPAServeur.csproj
@@ -10,6 +10,7 @@
     <PackageReference Include="MySql.Data.EntityFrameworkCore" Version="8.0.21" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="RestSharp" Version="106.11.4" />
+    <PackageReference Include="Serilog.Extensions.Logging.File" Version="2.0.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="5.5.1" />
     <PackageReference Include="Swashbuckle.AspNetCore.Annotations" Version="5.5.1" />
     <PackageReference Include="Swashbuckle.AspNetCore.Swagger" Version="5.5.1" />
diff --git a/Program.cs b/Program.cs
index dda309a..6ec487d 100644
--- a/Program.cs
+++ b/Program.cs
@@ -21,6 +21,10 @@ namespace EPAServeur
 
 		public static IHostBuilder CreateHostBuilder(string[] args) =>
 			Host.CreateDefaultBuilder(args)
+				.ConfigureLogging(logging =>
+				{
+					logging.ClearProviders();
+				})	
 				.ConfigureWebHostDefaults(webBuilder =>
 				{
 					webBuilder.UseStartup<Startup>();
diff --git a/Properties/launchSettings.json b/Properties/launchSettings.json
index 9790dad..0c92275 100644
--- a/Properties/launchSettings.json
+++ b/Properties/launchSettings.json
@@ -12,7 +12,7 @@
     "IIS Express": {
       "commandName": "IISExpress",
       "launchBrowser": true,
-      "launchUrl": "api/notes/1",
+      "launchUrl": "api/",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }
diff --git a/Startup.cs b/Startup.cs
index 7290f43..9ce6936 100644
--- a/Startup.cs
+++ b/Startup.cs
@@ -1,7 +1,3 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
 using EPAServeur.Context;
 using EPAServeur.IServices;
 using EPAServeur.Services;
@@ -10,12 +6,11 @@ using IO.Swagger.Security;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
-using Microsoft.AspNetCore.HttpsPolicy;
-using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
+using System.IO;
 
 namespace EPAServeur
 {
@@ -62,8 +57,10 @@ namespace EPAServeur
 		}
 
 		// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-		public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+		public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILoggerFactory logger)
 		{
+			string path = Directory.GetCurrentDirectory();
+			logger.AddFile(path+"Log/loggerfile-{Date}.txt");
 			if (env.IsDevelopment())
 			{
 				app.UseDeveloperExceptionPage();