diff --git a/InstalleDocker.yml b/InstalleDocker.yml
index b1518d1..c643265 100644
--- a/InstalleDocker.yml
+++ b/InstalleDocker.yml
@@ -4,10 +4,28 @@
   become: yes
   
   tasks:
+    # Vérification préalable
+    - name: Vérifier si Docker est déjà installé
+      command: docker --version
+      register: docker_check
+      changed_when: false
+      failed_when: false
+    
+    - name: Docker déjà présent
+      debug:
+        msg: "✓ Docker déjà installé : {{ docker_check.stdout }}"
+      when: docker_check.rc == 0
+    
+    - name: Poursuivre l'installation
+      debug:
+        msg: "Docker non détecté, installation en cours..."
+      when: docker_check.rc != 0
+    
     # Étape 1
     - name: sudo apt update
       apt:
         update_cache: yes
+      when: docker_check.rc != 0
     
     # Étape 2
     - name: sudo apt install apt-transport-https ca-certificates curl gnupg lsb-release
@@ -19,6 +37,7 @@
           - gnupg
           - lsb-release
         state: present
+      when: docker_check.rc != 0
     
     # Étape 3
     - name: Créer le dossier /etc/apt/keyrings
@@ -26,18 +45,21 @@
         path: /etc/apt/keyrings
         state: directory
         mode: '0755'
+      when: docker_check.rc != 0
     
     # Étape 4
     - name: curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
       shell: curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
       args:
         creates: /etc/apt/keyrings/docker.gpg
+      when: docker_check.rc != 0
     
     # Étape 5
     - name: chmod a+r /etc/apt/keyrings/docker.gpg
       file:
         path: /etc/apt/keyrings/docker.gpg
         mode: 'a+r'
+      when: docker_check.rc != 0
     
     # Étape 6
     - name: Ajouter le dépôt Docker
@@ -45,11 +67,13 @@
         echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
       args:
         creates: /etc/apt/sources.list.d/docker.list
+      when: docker_check.rc != 0
     
     # Étape 7
     - name: sudo apt update (après ajout du dépôt)
       apt:
         update_cache: yes
+      when: docker_check.rc != 0
     
     # Étape 8
     - name: sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
@@ -61,24 +85,14 @@
           - docker-buildx-plugin
           - docker-compose-plugin
         state: present
+      when: docker_check.rc != 0
     
-    # Vérification
+    # Vérification finale
     - name: Vérifier que Docker fonctionne
       command: docker --version
       register: docker_ver
       changed_when: false
     
-    - name: Afficher la version
-      debug:
-        msg: "✓ {{ docker_ver.stdout }}"
-    
-    # Test
-    - name: sudo docker run hello-world
-      command: docker run --rm hello-world
-      register: test
-      changed_when: false
-    
     - name: Résultat final
       debug:
-        msg: "✓ Docker installé et opérationnel !"
-      when: test.rc == 0
\ No newline at end of file
+        msg: "✓ Docker installé et opérationnel : {{ docker_ver.stdout }}"
\ No newline at end of file