Change to github registry

Author: kerobero

.github/workflows/main.yml

@@ -96,27 +96,28 @@ jobs:
           artifact-name: sbom.spdx.json   # queda como artefacto del job
 
   publish:
-    name: Publish to Docker Hub
+    name: Publish to GitHub Container Registry
     runs-on: ubuntu-latest
     needs: [sast]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Log in to Docker Hub
-        uses: docker/login-action@v3
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v2
         with:
-          username: ${{ vars.DOCKERHUB_USERNAME }}
-          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build and push image
         uses: docker/build-push-action@v4
         with:
           context: ${{ env.APP_DIR }}
           push: true
           tags: |
-            ${{ vars.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
-            ${{ vars.DOCKERHUB_USERNAME }}/${{ env.IMAGE_NAME }}:latest
+            ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }}
+            ghcr.io/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}:latest
 
 
   # ─────────────────────────────────────────────────────────────────────────────