docker-image.yml

name: Docker Image CI

on:
  push:
    branches: ["main"]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Get commit ID
        id: vars
        run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
      - name: Build and push Docker image
        id: push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          platforms: linux/amd64
          tags: ghcr.io/diamondlightsource/dlstbx:latest,ghcr.io/diamondlightsource/dlstbx:${{ steps.vars.outputs.sha_short }}