feat: update Docker workflow for improved image building and pushing

.github/workflows/docker.yml

@@ -3,31 +3,47 @@ name: Docker
 on:
   workflow_dispatch:
   push:
-    branches:
-      - main # default branch
-    paths:
-      - bot/**
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  Ghcr:
-    name: Publish to ghcr.io
+  build-and-push-image:
     runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+
     steps:
-      - uses: actions/checkout@v4.2.2
+      - uses: actions/checkout@v4
+
       - name: Setup Docker Buildx
         uses: docker/setup-buildx-action@v3.8.0
+
       - name: Login
         uses: docker/login-action@v3.3.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
       - name: Build & Push
-        uses: docker/build-push-action@v6.11.0
+        uses: docker/build-push-action@v6
         with:
           context: .
-          push: true
-          tags: ghcr.io/purofle/sbbot:latest
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
           platforms: linux/amd64,linux/arm64
-          cache-from: type=registry,ref=ghcr.io/purofle/sbbot:latest
-          cache-to: type=inline
+          cache-from: type=gha
+          cache-to: type=gha,mode=max