rename, matrix scan, only scan images built in this repo

.github/workflows/trivy.yml

@@ -0,0 +1,30 @@
+name: Run Trivy vulnerability scanner
+
+
+on: [ push ]
+
+matrix:
+
+
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        image: ['wis2box-management', 'wis2box-mqtt-metrics-collector', 'wis2box-broker']
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Build docker image ${{ matrix.image }}
+        run: |
+          docker build -t ${{ matrix.image }}:test ${{ matrix.image }}
+      - name: Run Trivy vulnerability scanner on ${{ matrix.image }}
+        if: always()
+        uses: aquasecurity/trivy-action@0.20.0
+        with:
+          image-ref: ${{ matrix.image }}:test
+          format: 'table'
+          exit-code: '1'
+          ignore-unfixed: true
+          vuln-type: 'os,library'
+          severity: 'CRITICAL,HIGH'