prune-pr-images.yml

name: Cleanup PR images

on: 
  pull_request:
    types: [closed]

jobs:
  purge-images:
    name: Cleanup PR images from ghcr.io
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        app:
          - met-anomalycor
          - met-cyclone
          - met-ensemble
          - met-object
          - met-precip
          - met-surface
          - met-upperair
    steps:
      - name: Get tag & appname
        env: 
          APP: '${{ matrix.app }}'
        run: |
          echo "BRANCH=${GITHUB_HEAD_REF}" >> $GITHUB_ENV
          echo "APP_LOWERCASE=${APP,,}" >> $GITHUB_ENV
      - name: Cleanup images
        if: env.BRANCH != 'development' # don't prune images from the development branch
        uses: bots-house/ghcr-delete-image-action@v1.1.0
        with:
          owner: dtcenter 
          name: metexpress/development/${{ env.APP_LOWERCASE }}
          token: ${{ secrets.GHCR_CLEANUP_PAT }}
          tag: ${{ env.BRANCH }}