This lab provisions a single-node Apache NiFi instance by running the official Docker image on your target host.

• An inventory entry for the machine that should run NiFi. Assign the host to a nifi group, for example:

  [nifi]
  nifi-node ansible_host=10.0.0.10 ansible_user=ec2-user

• Python 3 and network access to download Docker packages on the managed host.
• Install the required Ansible collection on the control node:

  ansible-galaxy collection install community.docker

cd ansible/lab-08/
ansible-playbook -i ../inventory/ansible-nodes deploy-nifi.yml \
  -e "nifi_admin_password=SomeSecurePassword"

The playbook will install Docker, start the service, pull the latest apache/nifi container image, and expose NiFi over HTTPS on port 8443. Use the credentials provided through nifi_admin_username and nifi_admin_password to sign in.

The defaults for the container live in roles/nifi_single_node/defaults/main.yml. Override them with -e or group variables to adjust the exposed port, container name, or data directory.