deploy.yml

---
- hosts:
    - localhost
  tasks:
  - name: Install python-docker on Debian
    apt:
      name: "python-docker"
      state: present
      update_cache: yes
    when: ansible_pkg_mgr == "apt"
    ignore_errors: yes
    tags: initial
  
  - name: Install python-docker on Redhat-based
    yum:
      name: "python-docker-py"
      state: present
    when: ansible_os_family == "RedHat"
    tags: initial
  
  - name: Build webapp image
    docker_image:
      dockerfile: Dockerfile
      name: webapp
      state: present
      force: yes
      push: no
      pull: no
      path: "{{ playbook_dir }}" 
    tags:
      - build
      - webapp
      
  - name: Create private network
    docker_network:
      name: db_net
      state: present
    tags: network
  
  - name: Start MongoDB container
    docker_container:
      name: mongod
      debug: yes
      detach: yes
      hostname: mongod
      image: mongo
      networks:
        - name: db_net
      purge_networks: yes
      exposed_ports: "27017/tcp"
      pull: no
      state: started
    tags:
      - db
      - start
  
  - name: Start webapp container
    docker_container:
      name: webapp
      debug: yes
      detach: yes
      hostname: webapp
      image: "webapp"
      networks:
        - name: db_net
      published_ports: "8080:8080"
      exposed_ports: "8080/tcp"
      pull: no
      state: started
      env:
        MONGODB_ADDON_URI: "mongodb://mongod:27017/test"
        PORT: "8080"
    tags: 
      - webapp
      - start