changed workflow to gh packages

.github/workflows/push_to_gh_packages.yml

@@ -0,0 +1,42 @@
+name: Publish Docker image
+on:
+  release:
+    types: [published]
+jobs:
+  push_to_registry:
+    name: Push Docker image to GitHub Packages
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v2
+      - name: Push to GitHub Packages
+        uses: docker/build-push-action@v1
+        with:
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: docker.pkg.github.com
+          path: Docker
+          repository: sib-swiss/ngs-variants-training/ngs-variants-jupyter
+          tag_with_ref: true
+
+
+# name: Publish Docker image
+# on:
+#   release:
+#     types: [published]
+# jobs:
+#   push_to_registry:
+#     name: Push Docker image to Docker Hub
+#     runs-on: ubuntu-latest
+#     steps:
+#       - name: Check out the repo
+#         uses: actions/checkout@v2
+#       - name: Push to Docker Hub
+#         uses: docker/build-push-action@v1
+#         with:
+#           username: ${{ secrets.DOCKER_USERNAME }}
+#           password: ${{ secrets.DOCKER_PASSWORD }}
+#           repository: geertvangeest/ngs-variants-jupyter
+#           path: Docker
+#           tags: latest
+#           tag_with_ref: true