diff --git a/.github/workflows/devcontainer.yml b/.github/workflows/devcontainer.yml
index 272ac63a..19a48d19 100644
--- a/.github/workflows/devcontainer.yml
+++ b/.github/workflows/devcontainer.yml
@@ -51,6 +51,13 @@ jobs:
           runCmd: cd server ; mvn --batch-mode --update-snapshots -DskipTests package
       - run: mkdir staging && cp target/*.jar staging
         working-directory: server
+      - name: Cache local Maven repository
+        uses: actions/cache@v4
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
       - name: Upload snapshot as artifact
         uses: actions/upload-artifact@v4
         with:
@@ -110,3 +117,18 @@ jobs:
           cacheFrom:  ${{ needs.build-devcontainer.outputs.imageName }}
           push: never
           runCmd: cd server; mvn --batch-mode --update-snapshots verify
+
+  test-client:
+    runs-on: ubuntu-latest
+    needs: artifact
+    steps:
+      - uses: actions/checkout@v3
+      - name: build client 
+        uses: devcontainers/ci@v0.3
+        with:
+          imageName:  ${{ needs.build-devcontainer.outputs.imageName }}
+          cacheFrom:  ${{ needs.build-devcontainer.outputs.imageName }}
+          push: never
+          runCmd: cd client; make build
+      #TODO: start the server 
+      #TODO: run the client tests
\ No newline at end of file