Spin up a EC2 instance with Ansible, run a job and terminate the instance after job is done.

Ansible EC2 example

---
- name: Create new instance
  hosts: localhost
  connection: local
  remote_user: ubuntu
  gather_facts: false

  vars:
      keypair: "id_rsa.pub"
      instance_type: t2.medium
      security_group: train
      image: ami-47a23a30
      region: eu-west-1

  tasks:
    - name: Launch instance
      ec2: keypair={{keypair}} group={{security_group}}
           instance_type={{instance_type}} image={{image}}
           region={{region}} wait=true count=1
      register: ec2

    - name: Add new instances to host group
      add_host: hostname={{item.public_ip}} groupname=prediction_train_server
      with_items: ec2.instances

    - name: Wait for the instances to boot by checking the ssh port
      wait_for: host={{item.public_dns_name}} port=22 delay=60 timeout=320 state=started
      with_items: ec2.instances


- hosts: prediction_train_server
  user: ubuntu
  sudo: true
  roles:
  - git
  - docker
  - docker_prediction_train_build
  - docker_prediction_train_run


- name: Terminate instances
  hosts: localhost
  connection: local
  tasks:
    - name: Terminate instances that were previously launched
      ec2:
        region: 'eu-west-1'
        state: 'absent'
        instance_ids: '{{ ec2.instance_ids }}'