deploy-docker.yml

---
- hosts: dev
  become: True
  tasks:
    - name: ensure repository key is installed
      apt_key:
        url: https://download.docker.com/linux/ubuntu/gpg
        state: present

    - name: ensure docker registry is available
      apt_repository: repo='deb https://download.docker.com/linux/ubuntu bionic stable' state=present

    - name: ensure docker and dependencies are installed
      apt: name=docker-ce update_cache=yes

    # Uncomment the following to enable insecure registries with Docker
    #- name: ensure docker can use insecure registries in 10.11.0.0/16
    #  lineinfile: "dest=/etc/default/docker regexp=^DOCKER_OPTS line=DOCKER_OPTS='--insecure-registry 10.11.0.0/16'"

    - service: name=docker state=restarted
    - name: Install required system packages
      apt:
        pkg:
          - apt-transport-https
          - ca-certificates
          - curl
          - software-properties-common
          - python3-pip
          - virtualenv
          - python3-setuptools
        state: latest
        update_cache: true
    - name: Install docker-py python module
      pip:
        name: docker-py
        state: present
    - name: Start the container
      docker_container:
        name: myapp
        image: "dp0211/myapp:{{DOCKER_TAG}}"
        state: started
        published_ports:
          - 0.0.0.0:8080:8080