name: Build and Push Docker Image
on:
push:
tags: ['v*']
workflow_dispatch:
inputs:
tag:
description: 'Docker image tag (e.g., v1.0.0, staging-123)'
required: true
type: string
default: 'latest'
env:
REGISTRY: ghcr.io
IMAGE_NAME: ${{ github.repository }}
jobs:
build-and-push:
runs-on: ubuntu-latest
if: |
github.event_name == 'workflow_dispatch' ||
github.event_name == 'push' && startsWith(github.ref, 'refs/tags/')
permissions:
contents: read
packages: 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
id: meta
uses: docker/metadata-action@v5
with:
images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
tags: |
type=ref,event=branch,enable=${{ github.event_name == 'push' && !startsWith(github.ref, 'refs/tags/') }}
type=semver,pattern={{version}},enable=${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
type=semver,pattern={{major}}.{{minor}},enable=${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
type=raw,value=${{ github.event.inputs.tag }},enable=${{ github.event_name == 'workflow_dispatch' }}
type=raw,value=latest,enable=${{ github.event_name == 'push' && startsWith(github.ref, 'refs/tags/') }}
flavor: |
latest=auto
labels: |
org.opencontainers.image.title={{repo}}
org.opencontainers.image.description={{description}}
org.opencontainers.image.vendor={{vendor}}
- name: Debug metadata
run: |
echo "Generated tags: ${{ steps.meta.outputs.tags }}"
echo "Generated labels: ${{ steps.meta.outputs.labels }}"
- name: Build and push Docker image
id: build
uses: docker/build-push-action@v6
with:
context: .
push: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
cache-from: type=gha
cache-to: type=gha,mode=max
platforms: linux/amd64
- name: Output image digest
run: |
echo "Image digest: ${{ steps.build.outputs.digest }}"
