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name: Create and publish a Docker image
on:
push:
branches: ["main"]
tags: ["v*"]
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
build-and-push-image:
name: Push Docker image to GitHub container repository
runs-on: ubuntu-latest
permissions:
packages: write
contents: read
steps:
- name: Check out the repo
uses: actions/checkout@v4
- name: Log in to the Container registry
uses: docker/login-action@v3
with:
registry: ghcr.io
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract metadata (tags, labels) for Docker
id: meta
uses: docker/metadata-action@v5
with:
images: |
ghcr.io/${{ github.repository }}
- name: Build and push Docker images
uses: docker/build-push-action@v6
with:
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}