diff --git a/.gitignore b/.gitignore
index d84357e..068ca84 100755
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
-hosts
 /playbook.retry
+/hosts.ini
diff --git a/hosts.example.ini b/hosts.example.ini
new file mode 100644
index 0000000..9900001
--- /dev/null
+++ b/hosts.example.ini
@@ -0,0 +1,7 @@
+[webservers]
+example.com
+
+[webservers:vars]
+ansible_python_interpreter=/usr/bin/python3
+
+user=ubuntu
diff --git a/playbook.yml b/playbook.yml
index 70c9a89..a03c6d1 100755
--- a/playbook.yml
+++ b/playbook.yml
@@ -1,8 +1,6 @@
 ---
-
-- name: Setup docker on localhost
-  hosts: localhost
-  connection: local
+- name: Install docker
+  hosts: webservers
   become: yes
 
   tasks:
@@ -11,21 +9,18 @@
         name: [
           'apt-transport-https', 
           'ca-certificates',
-          'curl',
-          'gnupg-agent',
           'software-properties-common',
         ]
-        state: latest
-        update_cache: yes
+        state: present
 
     - name: Add Docker GPG apt Key
       apt_key:
-        url: https://download.docker.com/linux/debian/gpg
+        url: https://download.docker.com/linux/ubuntu/gpg
         state: present
 
     - name: Add Docker Repository
       apt_repository:
-        repo: deb https://download.docker.com/linux/debian buster stable
+        repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"
         state: present
 
     - name: Update apt and install docker-ce
@@ -40,13 +35,12 @@
 
     - name: Install docker-compose
       get_url:
-        url : https://github.com/docker/compose/releases/download/1.27.4/docker-compose-Linux-x86_64
+        url : https://github.com/docker/compose/releases/download/1.29.2/docker-compose-Linux-x86_64
         dest: /usr/local/bin/docker-compose
         mode: 'u+x,g+x'
         group: docker
 
     - name: Add user to docker group
       user:
-        name: "{{ ansible_user }}"
-        groups: docker
-        append: yes
+        name: "{{ user }}"
+        group: docker
diff --git a/readme.md b/readme.md
index 9abf28d..57b2655 100755
--- a/readme.md
+++ b/readme.md
@@ -1,5 +1,17 @@
-# Playbook d'installation de docker en local
+# Ansible: Setup Docker
 
+This playbook installs docker & docker-compose on your server.
+
+## Installing 
+
+Copy then change values of hosts example file
+
+```bash
+$ cp hosts.example.ini hosts.ini
 ```
-ansible-playbook playbook.yml
+
+Then run the playbook:
+
+```bash
+$ ansible-playbook -i hosts.ini playbook.yml
 ```