name: Build and push nixos-based docker container
on: [push]

env:
  REGISTRY: git.strudelline.net
  PACKAGE: cascade/docker-node-red
  REGISTRY_AUTH_FILE: ./registry-auth.json

jobs:
  build:
    runs-on: nix
    steps:
      - name: Check out repository code
        uses: actions/checkout@v4
        with:
          fetch-depth: 1
      - run: |-
          set -x

          skopeo login --username ${{ secrets.DOCKER_USER }} --password ${{ secrets.DOCKER_PASSWORD }} "$REGISTRY"

          ( # echo tags into the image uploader's read loop
            echo "sha-$(echo "$GITHUB_SHA" | cut -c 1-8)"
            echo "$GITHUB_REF_NAME-$(date +%Y%m%d-%H%M%S)"
          ) | while read -r TAG;do
            nix run .#upload-image "docker://$REGISTRY/$PACKAGE:$TAG"
          done