Update run-tests.yml

.github/workflows/run-tests.yml

@@ -25,11 +25,21 @@ jobs:
 
       - name: Install nf-test
         run: |
-          wget -qO- https://code.askimed.com/install/nf-test | bash
+          wget -qO- https://code.askimed.com/install/nf-test | bash  -s 0.9.0-rc2
           sudo mv nf-test /usr/local/bin/
-          
-      - name: Build Docker 
-        run:  docker build -t genepi/mtdna-server-2 .
+    
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build Docker
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: false
+          load: true
+          tags: "genepi/mtdna-server-2"
+          cache-from: type=gha          
+          cache-to: type=gha,mode=max
 
       - name: Run Tests 
         run:  nf-test test