docker-image.yml

name: Docker Image CI

on:
  push:
    tags: ["*.*.*"]
    branches: ['master']

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Check Out Repo
      uses: actions/checkout@v4
    - name: Login to Docker Hub
      uses: docker/login-action@v3
      with:
        username: ${{ secrets.DOCKER_HUB_USERNAME }}
        password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
    - name: Set up Docker Buildx
      id: buildx
      uses: docker/setup-buildx-action@v3
    - name: Cache Docker layers
      uses: actions/cache@v4
      with:
        path: /tmp/.buildx-cache
        key: ${{ runner.os }}-buildx-${{ github.sha }}
        restore-keys: |
          ${{ runner.os }}-buildx-
    - name: Build and push
      id: docker_build
      uses: docker/build-push-action@v6
      with:
        context: .
        builder: ${{ steps.buildx.outputs.name }}
        build-args: |
          UID=${{ secrets.UID }}
          GUID=${{ secrets.GUID }}
        push: true
        tags: ${{ secrets.DOCKER_HUB_USERNAME }}/${{ github.event.repository.name }}:latest
        cache-from: type=local,src=/tmp/.buildx-cache
        cache-to: type=local,dest=/tmp/.buildx-cache
    - name: Image digest
      run: echo ${{ steps.docker_build.outputs.digest }}