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playbooks/01-install-docker.yml

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+---
+# Docker installation tasks
+    - name: Update apt cache
+      apt:
+        update_cache: yes
+        cache_valid_time: 3600
+
+    - name: Install required system packages
+      apt:
+        name: "{{ system_packages }}"
+        state: present
+
+    - name: Add Docker GPG key
+      apt_key:
+        url: https://download.docker.com/linux/ubuntu/gpg
+        state: present
+
+    - name: Add Docker repository
+      apt_repository:
+        repo: "deb [arch=amd64] https://download.docker.com/linux/ubuntu {{ ansible_distribution_release }} stable"
+        state: present
+        update_cache: yes
+
+    - name: Install Docker
+      apt:
+        name: 
+          - docker-ce
+          - docker-ce-cli
+          - containerd.io
+          - docker-buildx-plugin
+          - docker-compose-plugin
+        state: present
+
+    - name: Start and enable Docker service
+      systemd:
+        name: docker
+        state: started
+        enabled: yes
+
+    - name: Install Python Docker SDK
+      command: python3 -m pip install docker --break-system-packages
+      when: not ansible_check_mode
+
+    - name: Add current user to docker group
+      user:
+        name: "{{ ansible_user }}"
+        groups: docker
+        append: yes
+
+    - name: Install Docker Compose (standalone)
+      get_url:
+        url: "https://github.com/docker/compose/releases/download/v{{ docker_compose_version }}/docker-compose-linux-x86_64"
+        dest: /usr/local/bin/docker-compose
+        mode: '0755'
+
+    - name: Create docker-compose symlink
+      file:
+        src: /usr/local/bin/docker-compose
+        dest: /usr/bin/docker-compose
+        state: link
+
+    - name: Verify Docker installation
+      command: docker --version
+      register: docker_version
+      changed_when: false
+
+    - name: Verify Docker Compose installation
+      command: docker-compose --version
+      register: docker_compose_version_output
+      changed_when: false
+
+    - name: Display Docker version
+      debug:
+        msg: "Docker installed: {{ docker_version.stdout }}"
+
+    - name: Display Docker Compose version
+      debug:
+        msg: "Docker Compose installed: {{ docker_compose_version_output.stdout }}"