name: build docker image
on:
  workflow_dispatch:

jobs:
  build:
    runs-on: docker
    container:
      image: docker.io/alpine:3.21.2
    steps:
      - run: apk update && apk add --no-cache nodejs git docker
      - uses: actions/checkout@v4
      - uses: https://github.com/docker/setup-buildx-action@v3
      - user: https://github.com/docker/build-push-action@v6