ci: add semver release and Docker build workflow

.github/workflows/release-and-build.yaml

@@ -0,0 +1,40 @@
+name: Release SemVer and Build Docker Image
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release:
+    name: Release new semantic version
+    runs-on: ubuntu-latest
+    outputs:
+      didRelease: ${{ steps.semver.outputs.new_release_published }}
+      newVersion: ${{ steps.semver.outputs.new_release_version }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: semantic-release
+        uses: cycjimmy/semantic-release-action@v3
+        id: semver
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  build:
+    name: Build Docker image
+    needs: release
+    if: needs.release.outputs.didRelease == 'true'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          tags: format('{0}:{1}', github.repository, needs.release.outputs.newVersion)