name: Build and Push Docker Image
on:
push:
tags: [ 'v*.*.*' ]
workflow_dispatch:
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
build-and-push:
runs-on: ubuntu-latest
permissions:
contents: read
packages: write
steps:
- name: Checkout repository
uses: actions/checkout@v6
- 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 GitHub Container Registry
if: github.event_name != 'pull_request'
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: |
# Create 'master' tag on push to master branch
type=ref,event=branch,branch=master
# Create 'X.Y.Z', 'X.Y', 'X' tags on tag push (e.g., v1.2.3 -> 1.2.3, 1.2, 1)
type=semver,pattern={{version}}
type=semver,pattern={{major}}.{{minor}}
type=semver,pattern={{major}}
# Only create 'latest' tag if it's a tag push AND it's a non-prerelease version tag (no '-')
type=raw,value=latest,enable=${{ github.ref_type == 'tag' && startsWith(github.ref, 'refs/tags/v') && !contains(github.ref, '-') }}
labels: |
org.opencontainers.image.title=MCP Jenkins
org.opencontainers.image.description=Model Context Protocol server for Jenkins integration
org.opencontainers.image.vendor=mcp-jenkins
org.opencontainers.image.version=${{ github.ref_name }}
- name: Build and push Docker image
id: build
uses: docker/build-push-action@v6
with:
context: .
file: ./docker/Dockerfile
platforms: linux/amd64,linux/arm64
push: ${{ github.event_name != 'pull_request' }}
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
