deploy_container.yaml

---
- hosts: "{{hostname}}"
  become: true
  vars:
    - create_containers: 3
    - default_container_name: my_website
    - default_container_image: vistasunil/devopsdemo:latest
    - container_port: "8"
  tasks:
    # delete the old version containers
    - name: Delete old containers
      docker_container:
        name: "{{ default_container_name }}{{ item }}"
        state: absent
      with_sequence: count={{ create_containers }}
      
    - name: Wait for cleanup
      shell: sleep 30 

    # Creates the number of containers defined by the variable create_containers, using values from vars file
    - name: Create default containers
      docker_container:
        name: "{{ default_container_name }}{{ item }}"
        image: "{{ default_container_image }}"
        state: started
        exposed:
         - "{{ container_port }}{{ item }}"
        ports:
         - "{{ container_port }}{{ item }}:80"
      with_sequence: count={{ create_containers }}