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"

          MAINTAG="sha-$(echo "$GITHUB_SHA" | cut -c 1-8)"
          nix run .#upload-image "docker://$REGISTRY/$PACKAGE:$MAINTAG"
          for TAG in \
            "$GITHUB_REF_NAME" \
            "$GITHUB_REF_NAME-$(date +%Y%m%d-%H%M%S)" \
          ; do
            skopeo copy "docker://$REGISTRY/$PACKAGE:$MAINTAG" "docker://$REGISTRY/$PACKAGE:$TAG"
          done