diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..ca90001
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,28 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+pkgs.mkShell {
+  buildInputs = with pkgs; [
+    # Java Development Kit
+    openjdk21
+    
+    # Maven
+    maven
+    
+    # Utilitaires optionnels mais utiles
+    git
+    curl
+    which
+  ];
+
+  # Variables d'environnement
+  JAVA_HOME = "${pkgs.openjdk21}/lib/openjdk";
+  MAVEN_OPTS = "-Xmx2048m -Xms512m";
+
+  # Message d'accueil
+  shellHook = ''
+    echo "Environnement de développement Java/Maven activé !"
+    echo "Java version: $(java -version 2>&1 | head -n 1)"
+    echo "Maven version: $(mvn -version | head -n 1)"
+    echo "JAVA_HOME: $JAVA_HOME"
+  '';
+}