build_docker_nightly.yml

name: build docker nightly

on:
  push:
    branches:
      - main
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        # Some repos have submodules that need to be part of the Docker image
        with:
          submodules: recursive

      - name: Fetch latest commit SHA from main branch
        id: fetch_sha
        run: |
          git fetch origin main
          LATEST_SHA=$(git rev-parse --short=7 origin/main)
          echo "LATEST_SHA=$LATEST_SHA" >> $GITHUB_ENV

      - name: Update package.json version
        run: |
          SHA=${{ env.LATEST_SHA }}
          jq ".version = \"build:${SHA}\"" package.json > tmp.$$.json && mv tmp.$$.json package.json
          cat package.json

      - name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

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

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: ${{ secrets.DOCKERHUB_USERNAME }}/${{ vars.DOCKERHUB_REPO }}:nightly