Fix image name conflicts and add build attestation

.github/workflows/build.yml

@@ -4,10 +4,12 @@ on:
   push:
 
 env:
-  REGISTRY_IMAGE: digirati-co-uk/laya
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
 
 jobs:
   build:
+
     name: "${{ matrix.build_configuration.name }}"
     runs-on: ubuntu-latest
     concurrency:
@@ -31,6 +33,11 @@ jobs:
             triple: aarch64-unknown-linux-gnu
             cpu: neoverse-v2
             name: aws-graviton4
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
     steps:
       - name: Prepare
         run: |
@@ -41,7 +48,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY_IMAGE }}
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
             type=raw,value=latest,enable={{is_default_branch}}
             # tag event
@@ -61,17 +68,31 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Build and push by digest
         id: build
         uses: docker/build-push-action@v6
         with:
           platforms: ${{ matrix.build_configuration.platform }}
           labels: ${{ steps.meta.outputs.labels }}
-          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=false
+          outputs: type=image,name=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=false
           build-args: |
             TARGET=${{ matrix.build_configuration.triple }}
             TARGET_CPU=${{ matrix.build_configuration.cpu }}
 
+      - name: Generate artifact attestation
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-digest: ${{ steps.build.outputs.digest }}
+          push-to-registry: true
+
       - name: Export digest
         run: |
           mkdir -p /tmp/digests
@@ -111,8 +132,8 @@ jobs:
         working-directory: /tmp/digests
         run: |
           docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
-            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)
+            $(printf '${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}@sha256:%s ' *)
 
       - name: Inspect image
         run: |
-          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}
+          docker buildx imagetools inspect ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}