docker-publish-canary.yml

# Reference: https://github.com/docker/build-push-action/blob/master/docs/advanced/tags-labels.md

name: "Docker Publish Canary"

on:
  workflow_dispatch:

jobs:
  dockerize:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: moonrailgun/tailchat
          # generate Docker tags based on the following events/attributes
          tags: |
            type=sha
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to DockerHub
        if: github.event_name != 'pull_request'
        uses: docker/#-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and push
        uses: docker/build-push-action@v2
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: VERSION=canary-${{ steps.meta.outputs.tags }}