add coveralls integration

.github/workflows/ci.yml

@@ -40,6 +40,11 @@ jobs:
           GOFLAGS: "-mod=vendor"
           TZ: "America/Chicago"
 
+      - name: submit coverage
+        run: $(go env GOPATH)/bin/goveralls -service="github" -coverprofile=$GITHUB_WORKSPACE/profile.cov
+        env:
+          COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
       - name: build and deploy image
         env:
           GITHUB_PACKAGE_TOKEN: ${{ secrets.PKG_TOKEN }}