main.yml

---
- hosts: localhost
  gather_facts: false

  vars:
    image_name: hello-go
    image_tag: latest

  tasks:
    - name: Build the Hello Go image.
      docker_image:
        build:
          path: ../hello-go
          pull: false
        name: '{{ image_name }}'
        tag: '{{ image_tag }}'
        source: build

    - name: Run the Hello Go image.
      docker_container:
        name: hello-go
        image: '{{ image_name }}:{{ image_tag }}'
        state: started
        published_ports:
          - 8180:8180

    - name: Verify Hello Go is responding.
      uri:
        url: http://localhost:8180/test
        return_content: true
      register: hello_go_response
      failed_when: "'/test' not in hello_go_response.content"

    - name: Stop and remove the Hello Go container.
      docker_container:
        name: hello-go
        state: absent

  post_tasks:
    - name: Log into Docker registry.
      docker_login:
        registry: '{{ registry_url }}'
        username: '{{ registry_username }}'
        password: '{{ registry_password }}'
      when:
        - registry_url is defined and registry_url != ''
        - registry_username is defined and registry_username != ''
        - registry_password is defined and registry_password != ''

    - name: Push Hello Go image to Docker registry.
      docker_image:
        name: '{{ image_name }}'
        tag: '{{ image_tag }}'
        repository: 'localhost:5000/{{ image_name }}:{{ image_tag }}'
        push: true
        source: local