remove attestation from docker workflow

I don't know what this is or what value this adds, so removing it for now as it doesn't work on gitea

.github/workflows/docker.yml

@@ -11,144 +11,43 @@ on:
       - "!.github/workflows/**"
       - ".github/workflows/docker.yml"
     branches:
-      - "main"
+      - "dock-dev"
     tags:
       - "v?[0-9]+.[0-9]+.[0-9]*"
   workflow_dispatch:
 
-env:
-  REGISTRY: ghcr.io
 
 jobs:
-  prepare:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
     runs-on: ubuntu-latest
-    outputs:
-      image-name: ${{ steps.image.outputs.name }}
-      tags: ${{ steps.meta.outputs.tags }}
-      labels: ${{ steps.meta.outputs.labels }}
-      package-name: ${{ steps.package.outputs.name }}
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Set lowercase image name
-        id: image
-        run: |
-          echo "name=${GITHUB_REPOSITORY,,}" >> $GITHUB_OUTPUT
-
-      - name: Set package name
-        id: package
-        run: |
-          echo "name=$(basename ${GITHUB_REPOSITORY,,})" >> $GITHUB_OUTPUT
-
-      - name: Extract metadata
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: ${{ env.REGISTRY }}/${{ steps.image.outputs.name }}
-          tags: |
-            type=ref,event=branch,enable={{is_not_default_branch}}
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=nightly,enable={{is_default_branch}}
-
-      - name: Compute final tags
-        id: final-tags
-        run: |
-          readarray -t tags <<< "${{ steps.meta.outputs.tags }}"
-
-          if [[ "${{ github.ref_type }}" == "tag" ]]; then
-            tag="${{ github.ref_name }}"
-            if [[ "$tag" =~ ^v?[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
-              full_latest="${{ env.REGISTRY }}/${{ steps.image.outputs.name }}:latest"
-              # Check if latest is already in tags to avoid duplicates
-              if ! printf '%s\n' "${tags[@]}" | grep -q "^$full_latest$"; then
-                tags+=("$full_latest")
-              fi
-            fi
-          fi
-
-          # Set multiline output
-          echo "tags<<EOF" >> $GITHUB_OUTPUT
-          printf '%s\n' "${tags[@]}" >> $GITHUB_OUTPUT
-          echo "EOF" >> $GITHUB_OUTPUT
-
-  build:
-    needs: prepare
-    runs-on: ${{ matrix.runner }}
     permissions:
-      contents: read
       packages: write
-    strategy:
-      matrix:
-        include:
-          - platform: amd64
-            runner: ubuntu-latest
-            suffix: amd64
-            cache-scope: amd64
-          - platform: arm64
-            runner: ubuntu-24.04-arm
-            suffix: arm64
-            cache-scope: arm64
+      contents: read
+      attestations: write
+      id-token: write
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
+      - name: Check out the repo
+        uses: actions/checkout@v5
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
         with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: ${{ secrets.DOCKERHUB_USER }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
 
-      - name: Compute suffixed tags
-        id: tags
-        run: |
-          readarray -t tags <<< "${{ needs.prepare.outputs.tags }}"
-          suffixed=()
-          for t in "${tags[@]}"; do
-            suffixed+=("$t-${{ matrix.suffix }}")
-          done
-          echo "tags=$(IFS=','; echo "${suffixed[*]}")" >> $GITHUB_OUTPUT
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+        with:
+          images: ubufugu/dockipelago
 
       - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+        id: push
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
         with:
           context: .
           file: ./Dockerfile
-          platforms: linux/${{ matrix.platform }}
           push: true
-          tags: ${{ steps.tags.outputs.tags }}
-          labels: ${{ needs.prepare.outputs.labels }}
-          cache-from: type=gha,scope=${{ matrix.cache-scope }}
-          cache-to: type=gha,mode=max,scope=${{ matrix.cache-scope }}
-          provenance: false
-
-  manifest:
-    needs: [prepare, build]
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
-    steps:
-      - name: Log in to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Create and push multi-arch manifest
-        run: |
-          readarray -t tag_array <<< "${{ needs.prepare.outputs.tags }}"
-
-          for tag in "${tag_array[@]}"; do
-            docker manifest create "$tag" \
-              "$tag-amd64" \
-              "$tag-arm64"
-            
-            docker manifest push "$tag"
-          done
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}