name: Build and Publish Docker Image
on:
release:
types: [published]
push:
branches: [main]
paths:
- 'src/**'
- 'pyproject.toml'
- 'uv.lock'
- 'Dockerfile'
- '.github/workflows/docker-publish.yml'
workflow_dispatch:
inputs:
tag:
description: 'Image tag (defaults to branch name or "manual")'
required: false
default: ''
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
build-and-push:
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
id-token: write
attestations: write
steps:
- name: Checkout repository
uses: actions/checkout@v4
- name: Set up QEMU
uses: docker/setup-qemu-action@v3
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Log in to Container Registry
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract metadata for Docker
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
tags: |
# Tag with version on release
type=semver,pattern={{version}}
type=semver,pattern={{major}}.{{minor}}
type=semver,pattern={{major}}
# Tag with 'latest' on release
type=raw,value=latest,enable=${{ github.event_name == 'release' }}
# Tag with branch name on push
type=ref,event=branch
# Tag with SHA for traceability
type=sha,prefix=
# Manual tag override
type=raw,value=${{ github.event.inputs.tag }},enable=${{ github.event.inputs.tag != '' }}
- name: Build and push Docker image
id: build-push
uses: docker/build-push-action@v6
with:
context: .
platforms: linux/amd64,linux/arm64
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
- name: Generate artifact attestation
uses: actions/attest-build-provenance@v2
with:
subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
subject-digest: ${{ steps.build-push.outputs.digest }}
push-to-registry: true