chore(cd): add docker releases

.github/workflows/cd.yml

@@ -99,6 +99,32 @@ jobs:
           tag: ${{ github.ref }}
           overwrite: true
           body: "git-cliff release v${{ env.RELEASE_VERSION }}"
+
+  publish-docker:
+    name: Publish the Docker image
+    needs: publish-github
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@main
+      - name: Set the release version
+        run: echo "RELEASE_VERSION=${GITHUB_REF:11}" >> $GITHUB_ENV
+      - name: Build
+        run: docker build -t git-cliff .
+      - name: Tag
+        run: |
+          docker tag git-cliff orhunp/git-cliff:${{ env.RELEASE_VERSION }}
+          docker tag git-cliff docker.pkg.github.com/orhun/git-cliff/git-cliff:${{ env.RELEASE_VERSION }}
+      - name: Login (Docker Hub)
+        run: echo ${{ secrets.DOCKERHUB_PASS }} |
+          docker login -u orhunp --password-stdin
+      - name: Push (Docker Hub)
+        run: docker push orhunp/git-cliff:${{ env.RELEASE_VERSION }}
+      - name: Login (Package Registry)
+        run: echo ${{ secrets.GITHUB_TOKEN }} |
+          docker login -u orhun docker.pkg.github.com --password-stdin
+      - name: Push (Package Registry)
+        run: docker push docker.pkg.github.com/orhun/git-cliff/git-cliff:${{ env.RELEASE_VERSION }}
 #  publish-crates-io:
 #    name: Publish on crates.io
 #    needs: publish-github

.github/workflows/docker.yml

@@ -8,9 +8,10 @@ on:
 jobs:
   docker:
     name: Docker
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     steps:
-      - uses: actions/checkout@v1
+      - name: Checkout
+        uses: actions/checkout@main
       - name: Build
         run: docker build -t git-cliff .
       - name: Tag