# This workflow runs on certain conditions to check for and potentially
# delete container images from the GHCR which no longer have an associated
# code branch.
# Requires a PAT with the correct scope set in the secrets.
#
# This workflow will not trigger runs on forked repos.

name: Cleanup Old Docker Images

on:
  pull_request:
    types:
      - "closed"
  push:
    paths:
      - ".github/workflows/docker-cleanup.yml"

concurrency:
  group: registry-tags-cleanup
  cancel-in-progress: false

jobs:
  cleanup-images:
    name: Cleanup Stale Images Tags for ${{ matrix.primary-name }}
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        include:
          - primary-name: "immich-server"
          - primary-name: "immich-machine-learning"
          - primary-name: "immich-web"
          - primary-name: "immich-proxy"
    env:
      # Requires a personal access token with the OAuth scope delete:packages
      TOKEN: ${{ secrets.PACKAGE_DELETE_TOKEN }}
    steps:
      -
        name: Clean temporary images
        if: "${{ env.TOKEN != '' }}"
        uses: stumpylog/image-cleaner-action/ephemeral@v0.1.0
        with:
          token: "${{ env.TOKEN }}"
          owner: "immich-app"
          is_org: "true"
          do_delete: "true"
          package_name: "${{ matrix.primary-name }}"
          scheme: "pull_request"
          repo_name: "immich"
          match_regex: '^pr-(\d+)$|^(\d+)$'

  cleanup-untagged-images:
    name: Cleanup Untagged Images Tags for ${{ matrix.primary-name }}
    runs-on: ubuntu-22.04
    needs:
      - cleanup-images
    strategy:
      fail-fast: false
      matrix:
        include:
          - primary-name: "immich-server"
          - primary-name: "immich-machine-learning"
          - primary-name: "immich-web"
          - primary-name: "immich-proxy"
          - primary-name: "immich-build-cache"
    env:
      # Requires a personal access token with the OAuth scope delete:packages
      TOKEN: ${{ secrets.PACKAGE_DELETE_TOKEN }}
    steps:
      -
        name: Clean untagged images
        if: "${{ env.TOKEN != '' }}"
        uses: stumpylog/image-cleaner-action/untagged@v0.1.0
        with:
          token: "${{ env.TOKEN }}"
          owner: "immich-app"
          do_delete: "true"
          is_org: "true"
          package_name: "${{ matrix.primary-name }}"