name: Build and Push Docker Image
on:
push:
branches: [ main, master ]
tags: [ 'v*.*.*' ]
pull_request:
branches: [ main, master ]
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
build-and-push:
runs-on: ubuntu-latest
permissions:
contents: read
packages: write # needed to push to GHCR
steps:
- name: Checkout repository
uses: actions/checkout@v4
- name: Log in to GitHub Container Registry
uses: docker/login-action@v3
with:
registry: ${{ env.REGISTRY }}
username: ${{ github.actor }}
password: ${{ secrets.GITHUB_TOKEN }}
- name: Extract metadata (tags, labels)
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
tags: |
# Branch-based tags
type=ref,event=branch
# Pull request tags
type=ref,event=pr
# Semantic version tags (when tagging with v1.2.3)
type=ref,event=tag
# Additional semver patterns
type=semver,pattern={{version}}
type=semver,pattern={{major}}.{{minor}}
type=semver,pattern={{major}}
# SHA-based tags for uniqueness
type=sha
# Latest tag for most recent release
latest
- name: Build and push Docker image
uses: docker/build-push-action@v5
with:
context: .
push: ${{ github.event_name != 'pull_request' }}
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
