on_docker_change.yml

name: Build and publish Docker image

on:

  workflow_dispatch:

  push:
    branches:
      - main
    paths:
      - '.github/docker/**'
      - '.github/workflow/on_docker_change.yml'
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+*'

  schedule:
    - cron: "0 0 * * 0"

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push-image:
    runs-on: ubuntu-24.04
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=schedule
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=sha

      - name: Get revision of nrf to use
        id: revision
        run: |
          REF_NAME="${{ github.ref_name }}"
          if [ -z "$REF_NAME" ]; then
            REF_NAME="main"  # Set your default value here
          fi
          echo "REF_NAME=$REF_NAME" >> $GITHUB_OUTPUT
          echo "Ref name: $REF_NAME"

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: .github/docker/Dockerfile
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args:
            NRF_VERSION=${{ steps.revision.outputs.REF_NAME }}