ci: staged changes

.github/workflows/docker.yml

@@ -11,12 +11,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Log into GitHub Container Registry
-        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u ${{ github.actor }} --password-stdin
+      - name: Get the package.json version
+        id: package-version
+        run: echo ::set-output name=version::$(jq -r .version package.json)
       - name: Build the Docker image
-        run: |
-          docker build . -t ghcr.io/sinkaroid/jandapress:${{ steps.tags.outputs.name }}
+        run: docker build . --file Dockerfile --tag ghcr.io/sinkaroid/jandapress:${{ steps.package-version.outputs.version }}
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - name: Push the Docker image
-        run: |
-          docker push ghcr.io/sinkaroid/jandapress:${{ steps.tags.outputs.name }}
+        run: docker push ghcr.io/sinkaroid/jandapress:${{ steps.package-version.outputs.version }}
+