undo docker build dependencies removal for dht node unit tests

.github/workflows/test_dht-node.yml

@@ -35,8 +35,15 @@ jobs:
         uses: actions/checkout@v3
       
       - name: Build 'test' image
-        run: docker build --target test -t "gradido/dht-node:test" -f dht-node/Dockerfile .
+        run: |
+          docker build --target test -t "gradido/dht-node:test" -f dht-node/Dockerfile .
+          docker save "gradido/dht-node:test" > /tmp/dht-node.tar
 
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: docker-dht-node-test
+          path: /tmp/dht-node.tar
 
   ##############################################################################
   # JOB: LINT ##################################################################
@@ -61,10 +68,20 @@ jobs:
     if: needs.files-changed.outputs.dht_node == 'true' || needs.files-changed.outputs.docker == 'true'
     needs: files-changed
     runs-on: ubuntu-latest
+    needs: [build]
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
       
+      - name: Download Docker Image
+        uses: actions/download-artifact@v3
+        with:
+          name: docker-dht-node-test
+          path: /tmp
+
+      - name: Load Docker Image
+        run: docker load < /tmp/dht-node.tar
+      
       - name: docker-compose mariadb
         run: docker-compose -f docker-compose.yml -f docker-compose.test.yml up --detach --no-deps mariadb
       
@@ -79,5 +96,7 @@ jobs:
         run: sleep 30s
         shell: bash
 
+      #- name: Unit tests
+      #  run: cd database && yarn && yarn build && cd ../dht-node && yarn && yarn test
       - name: Unit tests
-        run: cd dht-node && yarn && yarn test
+        run: docker run --env NODE_ENV=test --env DB_HOST=mariadb --network gradido_internal-net --rm gradido/dht-node:test yarn run test