Add Dockerfile and workflow for building and publishing Docker image … #1
Workflow file for this run
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# | |
name: build and publish an image | |
on: | |
push: | |
# run only against tags | |
tags: | |
- "*" | |
env: | |
REGISTRY: ghcr.io | |
IMAGE_NAME: ${{ github.repository }} | |
# There is a single job in this workflow. It's configured to run on the latest available version of Ubuntu. | |
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@v4 | |
# Uses the `docker/login-action` action to log in to the Container registry registry using the account and password that will publish the packages. Once published, the packages are scoped to the account defined here. | |
- name: Log in to the Container registry | |
uses: docker/login-action@v3 | |
with: | |
registry: ${{ env.REGISTRY }} | |
username: ${{ github.actor }} | |
password: ${{ secrets.GITHUB_TOKEN }} | |
# This step uses [docker/metadata-action](https://github.com/docker/metadata-action#about) to extract tags and labels that will be applied to the specified image. The `id` "meta" allows the output of this step to be referenced in a subsequent step. The `images` value provides the base name for the tags and labels. | |
- name: Extract metadata (tags, labels) for Docker | |
id: meta | |
uses: docker/metadata-action@v5 | |
with: | |
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
- name: Build and push | |
uses: docker/build-push-action@v5 | |
with: | |
context: . | |
push: ${{ github.event_name != 'pull_request' }} | |
tags: ${{ steps.meta.outputs.tags }} | |
labels: ${{ steps.meta.outputs.labels }} |