Remove stephanmisc/docuum dependency to avoid DockerHub rate limits

Replace the docuum service container with a simple `docker rmi` step
after each compilation. This avoids pulling an external image from
DockerHub, which was causing rate limit issues.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hsbt

.github/actions/compilers/action.yml

@@ -152,3 +152,10 @@ runs:
         GITHUB_PR_HEAD_SHA: ${{ github.event.pull_request.head.sha || github.sha }}
         GITHUB_PULL_REQUEST_URL: ${{ github.event.pull_request.html_url }}
         GITHUB_REF: ${{ github.ref }}
+
+    - name: clean up docker image
+      shell: bash
+      run: docker rmi "ghcr.io/ruby/ruby-ci-image:${INPUT_TAG}" || true
+      if: always()
+      env:
+        INPUT_TAG: ${{ inputs.tag }}

.github/workflows/compilers.yml

@@ -49,7 +49,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -72,7 +72,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -102,7 +102,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -124,7 +124,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -145,7 +145,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -171,7 +171,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -191,7 +191,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -213,7 +213,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -232,7 +232,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -252,7 +252,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -270,7 +270,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }
@@ -289,7 +289,7 @@ jobs:
     needs: compile-if
     if: ${{ needs.compile-if.result == 'success' }}
     timeout-minutes: 60
-    services: { docuum: { image: 'stephanmisc/docuum', options: '--init', volumes: [ '/root', '/var/run/docker.sock:/var/run/docker.sock' ] } }
+
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with: { sparse-checkout-cone-mode: false, sparse-checkout: /.github, persist-credentials: false }