Updated build file to include GHCR publish

.github/workflows/build.yml

@@ -1,20 +1,57 @@
-name: Build
+name: Build and Publish to GHCR
 
 on:
   push:
     branches:
       - main
+    tags:
+      - 'v*.*.*'
+      - 'v*.*.*-*'
 
 jobs:
   build:
     name: Build
     runs-on: ubuntu-latest
     permissions: read-all
+
     steps:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis
+
       - uses: sonarsource/sonarqube-scan-action@master
         env:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
           SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
+
+      - name: Extract tag name and check if pre-release
+        run: |
+          echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+          if [[ "${GITHUB_REF#refs/tags/}" == *-* ]]; then
+            echo "PRERELEASE=true" >> $GITHUB_ENV
+          else
+            echo "PRERELEASE=false" >> $GITHUB_ENV
+          fi
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GHCR_PAT }}
+
+      - name: Extract tag name
+        run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+
+      - name: Build and push version-tagged Docker image
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: ghcr.io/${{ github.repository }}:${{ env.VERSION }}
+
+      - name: Build and push latest Docker image
+        if: env.PRERELEASE == 'false'
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: ghcr.io/${{ github.repository }}:latest