docker build dryrun

.github/workflows/build-test.yml

@@ -170,3 +170,21 @@ jobs:
         with:
           name: exe-package
           path: crowdin.exe
+
+  build-docker:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Copy Dockerfile
+        run: |
+          cp packages/docker/Dockerfile Dockerfile
+
+      # to enable buildx (multiplatform build)
+      - uses: docker/setup-qemu-action@v3
+      - uses: docker/setup-buildx-action@v3
+
+      - name: Build Docker image
+        run: |
+          docker buildx build --platform linux/amd64,linux/arm64 -t "crowdin/cli:dryrun" .