build.yml

name: Build Docker Image

on:
  push:
    branches:
      - 'main'
  workflow_dispatch:

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - id: prep
        name: find version
        shell: bash
        run: |
          version=$(jq -r '.version' package.json)
          echo "Found version: $version"
          echo "version=$version" >> $GITHUB_OUTPUT

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to GHCR (GitHub Packages)
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: |
            ghcr.io/${{github.repository}}:latest
            ghcr.io/${{github.repository}}:${{steps.prep.outputs.version}}