launch_validator role for running the Validator docker container

launch_vallidator.yaml

---
- name: Create data directory if it doesn't exist
  command: mkdir -p ./polkadot/.local

- name: Create data directory if it doesn't exist
  command: mkdir -p ./data

- name: Launch Polkadot validator
  docker_container:
    image: parity/polkadot:latest
    name: polkadot-validator
    purge_networks: true
    command:
      - "--validator"
      - "--name={{validator_node_name}}"
      - "--prometheus-port=9615"
      - "--prometheus-external"
    volumes:
      - "./data:/data"
      - "./polkadot:/polkadot"
    ports:
      - "30333:30333"
    exposed_ports:
      - "9615"
      - "9933"
    networks:
      - name: "{{network_name}}"