build_docker.yml

name: Build Docker image

on:
  push:
    tags: [ v* ]

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      -
        name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - 
        name: Extract metadata for the Docker image
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: bkerby/map-rando
      -
        name: Build and push
        uses: docker/build-push-action@v3
        with:
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=registry,ref=bkerby/map-rando:buildcache
          cache-to: type=registry,ref=bkerby/map-rando:buildcache,mode=max
          build-args: |
            GIT_COMMIT_HASH=${{ github.sha }}