publish.yml

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.

# GitHub recommends pinning actions to a commit SHA.
# To get a newer version, you will need to update the SHA.
# You can also reference a tag or branch, but the action may change without warning.

name: Publish Docker image

on:
  push:
    branches:
      - master

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
      attestations: write
      id-token: write
    strategy:
      matrix:
        release: [stretch, buster]
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@v6
        with:
          context: ev3dev-${{ matrix.release }}
          file: ev3dev-${{ matrix.release }}/debian-${{ matrix.release }}-cross.dockerfile
          push: true
          tags: ev3dev/debian-${{ matrix.release }}-cross:latest

      - name: Generate artifact attestation
        uses: actions/attest-build-provenance@v1
        with:
          subject-name: index.docker.io/ev3dev/debian-${{ matrix.release }}-cross
          subject-digest: ${{ steps.push.outputs.digest }}
          push-to-registry: true