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|
name: Publish test-ubuntu-git Container
on:
# Use an on demand workflow trigger.
# (Forked copies of actions/checkout won't have permission to update GHCR.io/actions,
# so avoid trigger events that run automatically.)
workflow_dispatch:
inputs:
publish:
description: 'Publish to ghcr.io? (main branch only)'
type: boolean
required: true
default: false
env:
REGISTRY: ghcr.io
IMAGE_NAME: actions/test-ubuntu-git
jobs:
build-and-push-image:
runs-on: ubuntu-latest
# Sets the permissions granted to the `GITHUB_TOKEN` for the actions in this job.
permissions:
contents: read
packages: write
steps:
- name: Checkout repository
uses: actions/checkout@v7
# Use `docker/login-action` to log in to GHCR.io.
# Once published, the packages are scoped to the account defined here.
- name: Log in to the ghcr.io container registry
uses: docker/login-action@v4.6.0
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Format Timestamp
id: timestamp
# Use `date` with a custom format to achieve the key=value format GITHUB_OUTPUT expects.
run: date -u "+now=%Y%m%d.%H%M%S.%3NZ" >> "$GITHUB_OUTPUT"
- name: Issue Image Publish Warning
if: ${{ inputs.publish && github.ref_name != 'main' }}
run: echo "::warning::test-ubuntu-git images can only be published from the actions/checkout 'main' branch. Workflow will continue with push/publish disabled."
# Use `docker/build-push-action` to build (and optionally publish) the image.
- name: Build Docker Image (with optional Push)
uses: docker/build-push-action@v7.4.0
with:
context: .
file: images/test-ubuntu-git.Dockerfile
# For now, attempts to push to ghcr.io must target the `main` branch.
# In the future, consider also allowing attempts from `releases/*` branches.
push: ${{ inputs.publish && github.ref_name == 'main' }}
tags: |
${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.ref_name }}.${{ steps.timestamp.outputs.now }}
|
