diff --git a/hosts b/hosts
index 6aad057..475d187 100644
--- a/hosts
+++ b/hosts
@@ -1,5 +1,5 @@
 [linux]
-192.168.0.60    ansible_connection=ssh      ansible_user=miharu
+192.168.0.60    ansible_connection=ssh      ansible_user=ansible
 
 [windows]
 192.168.0.2     ansible_connection=winrm    ansible_user=ansible
diff --git a/playbook/linux/InstallDocker.yml b/playbook/linux/docker/InstallDocker.yml
similarity index 54%
rename from playbook/linux/InstallDocker.yml
rename to playbook/linux/docker/InstallDocker.yml
index b48ae8c..3ac542e 100644
--- a/playbook/linux/InstallDocker.yml
+++ b/playbook/linux/docker/InstallDocker.yml
@@ -1,5 +1,5 @@
 
-- name: Install Docker
+- name: Install Docker CE
   hosts: linux
 
   tasks:
@@ -13,22 +13,29 @@
       become: true
       become_method: sudo
       apt:
-        name: install apt-transport-https ca-certificates curl gnupg-agent software-properties-common
-        state: absent
+        name: "{{ packages }}"
+        # state: absent
+      vars:
+        packages:
+          - apt-transport-https
+          - ca-certificates
+          - curl
+          - gnupg-agent
+          - software-properties-common
 
     - name: Install Docker GPG key
       become: true
       become_method: sudo
       apt_key:
-        url: https://download.docker.com/linux/ubuntu/gpg
+        url: "https://download.docker.com/linux/ubuntu/gpg"
         state: present
-        id: 0EBFCD88
+        id: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
     
     - name: Install Docker Repo
       become: true
       become_method: sudo
       apt_repository:
-        repo: https://download.docker.com/linux/ubuntu/dists/bionic/stable/binary-amd64/
+        repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu/ bionic stable"
         state: present
 
     - name: Update Repos
@@ -41,4 +48,9 @@
       become: true
       become_method: sudo
       apt:
-        name: docker-ce docker-ce-cli containerd.io
\ No newline at end of file
+        name: "{{ packages }}"
+      vars:
+        packages:
+          - docker-ce
+          - docker-ce-cli
+          - containerd.io