Add Release CI workflow

It includes publishing container to DockerHub

Signed-off-by: Pavel Abramov <[email protected]>

.github/workflows/release_ci.yml

@@ -0,0 +1,42 @@
+name: Release CI
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+      attestations: write
+      id-token: write
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v4
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+        with:
+          username: ${{ secrets.DOCKER_USR }}
+          password: ${{ secrets.DOCKER_PAT }}
+
+      - name: Build and push server Docker image
+        id: push
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+        with:
+          context: .
+          file: ./src/server/Dockerfile
+          push: true
+          tags: |
+            ${{ secrets.DOCKER_USR }}/nkv:${{ github.event.release.tag_name }}
+            ${{ secrets.DOCKER_USR }}/nkv:latest
+
+      - name: Generate server artifact attestation
+        uses: actions/attest-build-provenance@v1
+        with:
+          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true