GitHub Action: docker-image-exists

Check if docker image exists by pulling it

Usage

  name: Push into main branch
  on:
    push:
      branches: [ master ]

  jobs:
    context:
      runs-on: ubuntu-latest
      continue-on-error: true  
      steps:  
        - name: Check image
          id: image_exists
          uses: cloudposse/github-action-docker-image-exists@main
          with:
            registry: registry.hub.docker.com
            organization: "${{ github.event.repository.owner.login }}"
            repository: "${{ github.event.repository.name }}"
            login: "${{ secrets.DOCKERHUB_USERNAME }}"
            password: "${{ secrets.DOCKERHUB_PASSWORD }}"
            tag: latest

    outputs:
      result: ${{ steps.image_exists.conclusion }}  
      image: ${{ steps.image_exists.outputs.image }}
      tag: ${{ steps.image_exists.outputs.tag }}

Inputs

Name	Description	Default	Required
image_name	Image name (excluding registry). Defaults to {{$organization/$repository}}.		false
login	Docker login		false
organization	Organization	N/A	true
password	Docker password		false
registry	Docker registry	N/A	true
repository	Repository	N/A	true
tag	Tag	N/A	true

Outputs

Name	Description
image	Docker image name
tag	Docker image tag