playbook.yml

---
- hosts: localhost
  vars:
      docker_compose_version: "1.29.2"
      project_name : "WhatAMess"

  tasks:
    # Install Docker
    - name: Install Docker
      # become: true
      apt:
        name: docker.io
        state: present

    # Install Docker Compose
    - name: Install Docker Compose
      # become: true
      apt:
        name: docker-compose
        state: present

    # Copy Docker Compose file
    - name: Copy Docker Compose file
      copy:
        src: docker-compose.yml
        dest: ./


    # Set environment variable on target machine to be fetched and used by docker containers to expose frontend to host ip
    # The below command will create an env variable name DOCKER_HOST_IP containing the IP address 
    - name: Set environment variable to expose ip address to the docker Containers
      shell: export DOCKER_HOST_IP=$(ip route get 1.1.1.1 | awk '{print $7}')
      # shell: ip route get 1.1.1.1 | awk '{print $7}'
    #   register: ip_address

    # - name: Echo the variable
    #   shell: echo $ip_address

    # - name: Set variable
    #   set_fact:
    #     DOCKER_HOST_IP_ADDR: "{{ ip_address.stdout }}"
    #   environment: 
    #     DOCKER_HOST_IP_ADDR: "{{ ip_address.stdout }}"

    # Pull Docker images and Start Containers using compose file
    - name: Run docker compose up command
      # shell: docker-compose up
      become: true
      docker_compose:
        project_src: ./
        state: present
        pull: yes