feat: remove cleanup and push to docker hub instead of GHCR

Author: ayan4m1

.github/actions/docker-publish-action/action.yml

@@ -1,10 +1,6 @@
 name: "Publish to Docker registry"
 description: "Publish an image/tags to a Docker registry"
 inputs:
-  registry:
-    description: "Docker registry hostname"
-    required: false
-    default: "ghcr.io"
   username:
     description: "Docker registry account username"
     required: true
@@ -28,10 +24,9 @@ runs:
   steps:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
-    - name: Login to GitHub Container Registry
+    - name: Login to Docker Hub
       uses: docker/login-action@v3
       with:
-        registry: ${{ inputs.registry }}
         username: ${{ inputs.username }}
         password: ${{ inputs.password }}
     - name: Extract metadata (tags, labels) for Docker

.github/workflows/publish.yml

@@ -28,21 +28,7 @@ jobs:
         with:
           branch: ${{ github.ref_name }}
           commit_sha: ${{ github.sha }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
           image_name: ${{ github.repository_owner }}/fp-studio
           cuda_version: ${{ matrix.cuda-version }}
-  cleanup:
-    runs-on: ubuntu-latest
-    needs: publish
-    permissions:
-      contents: read
-      packages: write
-    steps:
-      - uses: vlaurin/[email protected]
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          user: ${{ github.repository_owner }}
-          container: fp-studio
-          dry-run: false
-          prune-untagged: true