release.yml

name: Release

on:
  push:
    branches:
      - master

jobs:
  build_and_upload_image:
    runs-on: ubuntu-latest
    steps:
      - name: Set up Docker buildx
        uses: docker/setup-buildx-action@v3
      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ github.token }}
      - name: Build and Push
        uses: docker/build-push-action@v6
        with:
          # linux/amd64 supports all x86 CPUs
          # linux/amd64/v2 supports x86 CPUs from 2010+
          # linux/amd64/v3 supports x86 CPUs from 2015+
          # https://en.wikipedia.org/wiki/X86-64#Microarchitecture_levels
          platforms: linux/amd64,linux/amd64/v2,linux/amd64/v3,linux/arm64
          pull: true
          push: true
          tags: ghcr.io/${{ github.repository }}:latest
          cache-from: type=gha
          # mode=max means "cache everything possible". This ensures maximum
          # use of the cache, but will use up GitHub's 10 GB cache size limit
          # faster.
          cache-to: type=gha,mode=max