diff --git a/ldap-cesi/Repository/Interfaces/IRepositoryBase.cs b/ldap-cesi/Repository/Interfaces/IRepositoryBase.cs
new file mode 100644
index 0000000..1057e98
--- /dev/null
+++ b/ldap-cesi/Repository/Interfaces/IRepositoryBase.cs
@@ -0,0 +1,15 @@
+using System.Linq.Expressions;
+
+namespace ldap_cesi.Repository.Services;
+
+public interface IRepositoryBase<TEntity> where TEntity : class
+{
+    Task<TEntity> AddAsync(TEntity entity, CancellationToken cancellationToken = default);
+    Task<bool> AnyAsync(Expression<Func<TEntity, bool>> predicate, CancellationToken cancellationToken = default);
+    Task<TEntity>  GetByIdAsync<TId>(TId id, CancellationToken cancellationToken = default) where TId : notnull;
+    Task<List<TEntity>> GetAllAsync(CancellationToken cancellationToken = default);
+    Task UpdateAsync(TEntity entity, CancellationToken cancellationToken = default);
+    Task DeleteAsync(TEntity entity, CancellationToken cancellationToken = default);
+    Task<TEntity?> FirstOrDefaultAsync(Expression<Func<TEntity, bool>> predicate,
+        CancellationToken cancellationToken = default);
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/Interfaces/IRepositoryRole.cs b/ldap-cesi/Repository/Interfaces/IRepositoryRole.cs
new file mode 100644
index 0000000..e504b27
--- /dev/null
+++ b/ldap-cesi/Repository/Interfaces/IRepositoryRole.cs
@@ -0,0 +1,8 @@
+using ldap_cesi.Entities;
+
+namespace ldap_cesi.Repository.Services;
+
+public interface IRepositoryRole : IRepositoryBase<Role>
+{
+    
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/Interfaces/IRepositorySalarie.cs b/ldap-cesi/Repository/Interfaces/IRepositorySalarie.cs
new file mode 100644
index 0000000..c281f5f
--- /dev/null
+++ b/ldap-cesi/Repository/Interfaces/IRepositorySalarie.cs
@@ -0,0 +1,8 @@
+using ldap_cesi.Entities;
+
+namespace ldap_cesi.Repository.Services;
+
+public interface IRepositorySalarie : IRepositoryBase<Salarie>
+{
+    
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/Interfaces/IRepositoryService.cs b/ldap-cesi/Repository/Interfaces/IRepositoryService.cs
new file mode 100644
index 0000000..aba697b
--- /dev/null
+++ b/ldap-cesi/Repository/Interfaces/IRepositoryService.cs
@@ -0,0 +1,8 @@
+using ldap_cesi.Entities;
+
+namespace ldap_cesi.Repository.Services;
+
+public interface IRepositoryService : IRepositoryBase<Service>
+{
+    
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/Interfaces/IRepositorySite.cs b/ldap-cesi/Repository/Interfaces/IRepositorySite.cs
new file mode 100644
index 0000000..cc098f9
--- /dev/null
+++ b/ldap-cesi/Repository/Interfaces/IRepositorySite.cs
@@ -0,0 +1,8 @@
+using ldap_cesi.Entities;
+
+namespace ldap_cesi.Repository.Services;
+
+public interface IRepositorySite : IRepositoryBase<Site>
+{
+    
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/Interfaces/IRepositoryUtilisateur.cs b/ldap-cesi/Repository/Interfaces/IRepositoryUtilisateur.cs
new file mode 100644
index 0000000..4235770
--- /dev/null
+++ b/ldap-cesi/Repository/Interfaces/IRepositoryUtilisateur.cs
@@ -0,0 +1,8 @@
+using ldap_cesi.Entities;
+
+namespace ldap_cesi.Repository.Services;
+
+public interface IRepositoryUtilisateur : IRepositoryBase<Utilisateur>
+{
+    
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/RepositoryBase.cs b/ldap-cesi/Repository/RepositoryBase.cs
new file mode 100644
index 0000000..911ddcd
--- /dev/null
+++ b/ldap-cesi/Repository/RepositoryBase.cs
@@ -0,0 +1,114 @@
+using System.Linq.Expressions;
+using ldap_cesi.Context;
+using ldap_cesi.Repository.Services;
+using Microsoft.EntityFrameworkCore;
+
+namespace ldap_cesi.Repository;
+
+public class RepositoryBase<TEntity> : IRepositoryBase<TEntity> where TEntity : class
+{
+    protected readonly PgContext _context;
+
+    public RepositoryBase(PgContext context)
+    {
+        _context = context ?? throw new ArgumentNullException(nameof(context));
+    }
+      public virtual async Task<TEntity> AddAsync(TEntity entity, CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                _context.Set<TEntity>().Add(entity);
+                await SaveChangesAsync(cancellationToken);
+                return entity;
+            }
+            catch (Exception ex)
+            {
+                throw new Exception("Erreur pendant l'ajout de l'entité.", ex);
+            }
+        }
+        
+        public virtual async Task<bool> AnyAsync(Expression<Func<TEntity, bool>> predicate,  CancellationToken cancellationToken = default)
+        {
+            return await _context.Set<TEntity>().AnyAsync(predicate, cancellationToken);
+        }
+
+        
+        public virtual async Task<List<TEntity>> GetAllAsync(CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                return await _context.Set<TEntity>().ToListAsync(cancellationToken);
+            }
+            catch (Exception ex)
+            {
+                throw new Exception("Erreur pendant la récupérations des entités.", ex);
+            }
+        }
+        public virtual async Task<TEntity?> FirstOrDefaultAsync(Expression<Func<TEntity, bool>> predicate, CancellationToken cancellationToken = default)
+        {
+            return await _context.Set<TEntity>().FirstOrDefaultAsync(predicate, cancellationToken);
+        }
+        
+        public virtual async Task UpdateAsync(TEntity entity, CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                _context.Set<TEntity>().Update(entity);
+                await SaveChangesAsync(cancellationToken);
+            }
+            catch (Exception ex)
+            {
+                throw new Exception("Erreur pendant la mis à jour", ex);
+            }
+        }
+        
+        public virtual async Task<TEntity?> GetByIdAsync<TId>(TId id, CancellationToken cancellationToken = default) where TId : notnull
+        {
+            try
+            {
+                return await _context.FindAsync<TEntity>(id, cancellationToken);
+            }
+            catch (Exception ex)
+            {
+                throw new Exception($"Erreur lors de la récupération avec l'id : {id}.", ex);
+            }
+        }
+        
+        public virtual async Task DeleteAsync(TEntity entity, CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                _context.Set<TEntity>().Remove(entity);
+                await SaveChangesAsync(cancellationToken);
+            }
+            catch (Exception ex)
+            {
+                throw new Exception("Erreur pendant la suppression de l'entité", ex);
+            }
+        }
+        
+        protected async Task<int> SaveChangesAsync(CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                return await _context.SaveChangesAsync(cancellationToken);
+            }
+            catch (Exception ex)
+            {
+                throw new Exception("Erreur pendant le sauvegarde en base de donnése.", ex);
+            }
+        }
+        
+        public virtual async Task<List<TEntity>> ListAsync(CancellationToken cancellationToken = default)
+        {
+            try
+            {
+                return await _context.Set<TEntity>().ToListAsync(cancellationToken);
+            }
+            catch (Exception ex)
+            {
+                throw new Exception("Erreur qui concerne le listing des entités", ex);
+            }
+        }
+    
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/RoleRepository.cs b/ldap-cesi/Repository/RoleRepository.cs
new file mode 100644
index 0000000..2d7ee07
--- /dev/null
+++ b/ldap-cesi/Repository/RoleRepository.cs
@@ -0,0 +1,13 @@
+using ldap_cesi.Context;
+using ldap_cesi.Entities;
+using ldap_cesi.Repository.Services;
+
+namespace ldap_cesi.Repository;
+
+public class RoleRepository : RepositoryBase<Role>, IRepositoryRole
+{
+    public RoleRepository(PgContext context) : base(context)
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/SalarieRepository.cs b/ldap-cesi/Repository/SalarieRepository.cs
new file mode 100644
index 0000000..bb84bb1
--- /dev/null
+++ b/ldap-cesi/Repository/SalarieRepository.cs
@@ -0,0 +1,13 @@
+using ldap_cesi.Context;
+using ldap_cesi.Entities;
+using ldap_cesi.Repository.Services;
+
+namespace ldap_cesi.Repository;
+
+public class SalarieRepository : RepositoryBase<Salarie>, IRepositorySalarie
+{
+    public SalarieRepository(PgContext context) : base(context)
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/ServiceRepository.cs b/ldap-cesi/Repository/ServiceRepository.cs
new file mode 100644
index 0000000..e0f15e8
--- /dev/null
+++ b/ldap-cesi/Repository/ServiceRepository.cs
@@ -0,0 +1,13 @@
+using ldap_cesi.Context;
+using ldap_cesi.Entities;
+using ldap_cesi.Repository.Services;
+
+namespace ldap_cesi.Repository;
+
+public class ServiceRepository : RepositoryBase<Service>, IRepositoryService
+{
+    public ServiceRepository(PgContext context) : base(context)
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/SiteRepository.cs b/ldap-cesi/Repository/SiteRepository.cs
new file mode 100644
index 0000000..3b522b8
--- /dev/null
+++ b/ldap-cesi/Repository/SiteRepository.cs
@@ -0,0 +1,13 @@
+using ldap_cesi.Context;
+using ldap_cesi.Entities;
+using ldap_cesi.Repository.Services;
+
+namespace ldap_cesi.Repository;
+
+public class SiteRepository : RepositoryBase<Site>, IRepositorySite
+{
+    public SiteRepository(PgContext context) : base(context)
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/ldap-cesi/Repository/UtilisateurRepository.cs b/ldap-cesi/Repository/UtilisateurRepository.cs
new file mode 100644
index 0000000..57cf96c
--- /dev/null
+++ b/ldap-cesi/Repository/UtilisateurRepository.cs
@@ -0,0 +1,13 @@
+using ldap_cesi.Context;
+using ldap_cesi.Entities;
+using ldap_cesi.Repository.Services;
+
+namespace ldap_cesi.Repository;
+
+public class UtilisateurRepository : RepositoryBase<Utilisateur>, IRepositoryUtilisateur
+{
+    public UtilisateurRepository(PgContext context) : base(context)
+    {
+        
+    }
+}
\ No newline at end of file
diff --git a/ldap-cesi/ldap-cesi.csproj b/ldap-cesi/ldap-cesi.csproj
index b240452..99d7a59 100644
--- a/ldap-cesi/ldap-cesi.csproj
+++ b/ldap-cesi/ldap-cesi.csproj
@@ -28,7 +28,6 @@
       <Folder Include="Controllers\" />
       <Folder Include="Entities\" />
       <Folder Include="Mapper\" />
-      <Folder Include="Repository\" />
       <Folder Include="Services\" />
     </ItemGroup>