deploy.yaml

---
- hosts: webserver
  become: true

  tasks:

    - name: Deploy Servian Postgres container
      docker_container:
        name: "servian-postgres"
        image: "postgres:10.7"
        state: started
        ports:
          - "5432:5432"
      register: db_cont_metadata

    - name: Wait for postgres to accept connections
      wait_for:
        host: '{{ db_cont_metadata["ansible_facts"]["docker_container"]["NetworkSettings"]["IPAddress"] }}'
        port: 5432
        state: drained
        connect_timeout: 1
        timeout: 30
      register: postgres_running
      until: postgres_running is success
      retries: 10

    - name: Deploy Database and Test Data onto Postgres container
      docker_container: 
        name: "servian-db-data"
        image: "servian/techchallengeapp:latest"
        command: "updatedb"
        network_mode: host

    - name: Deploy Servian web-app container
      docker_container:
        name: "servian-web"
        image: "servian/techchallengeapp:latest"
        command: "serve"
        state: started
        network_mode: host