release.yml

name: Build and Release

on:
  workflow_dispatch:
  push:
    tags:
      - "v*.*.*"

permissions:
  packages: write
  contents: read

env:
  REGISTRY: ghcr.io
  IMAGE: ghcr.io/${{ github.repository }}

jobs:
  build-and-release:
    name: Build and Release
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v3

    - name: Set variables
      id: prep
      run: |-
        echo VERSION=$(cat version.txt) >> $GITHUB_ENV
        echo RELEASE=v$(cat version.txt) >> $GITHUB_ENV
        echo GIT_COMMIT=${GITHUB_SHA:0:7} >> $GITHUB_ENV

    - name: Set up Docker Buildx
      id: buildx
      uses: docker/setup-buildx-action@master

    - name: Login to GHCR
      uses: docker/login-action@v2
      with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build and push
      id: build
      uses: docker/build-push-action@v4
      with:
        context: .
        builder: ${{ steps.buildx.outputs.name }}
        file: Dockerfile
        push: true
        build-args: |
          VERSION=${{ env.VERSION }}
          RELEASE=${{ env.RELEASE }}
          GIT_COMMIT=${{ env.GIT_COMMIT}}
        tags: ${{ env.IMAGE }}:latest,${{ env.IMAGE }}:${{ env.RELEASE }}
        cache-from: type=gha
        cache-to: type=gha,mode=max