move reports gen to test step

Dockerfile

@@ -29,7 +29,7 @@ ADD .git /go/src/github.com/umputun/remark/.git
 RUN \
     if [ -f .mongo ] ; then export MONGO_TEST=$(cat .mongo) ; fi && \
     cd app && \
-    if [ -z "$SKIP_BACKEND_TEST" ] ; then go test ./... ; \
+    if [ -z "$SKIP_BACKEND_TEST" ] ; then go test -covermode=count -coverprofile=/profile.cov ./... ; \
     else echo "skip backend test" ; fi
 
 RUN echo "mongo=${MONGO_TEST}" >> /etc/hosts
@@ -42,16 +42,11 @@ RUN if [ -z "$SKIP_BACKEND_TEST" ] ; then \
     --enable=deadcode  --enable=gosimple --exclude=test --exclude=mock --exclude=vendor ./... ; \
     else echo "skip backend linters" ; fi
 
-# coverage report
-RUN if [ -z "$SKIP_BACKEND_TEST" ] ; then \
-    if [ -f .mongo ] ; then export MONGO_TEST=$(cat .mongo) ; fi && \
-    mkdir -p target && /script/coverage.sh ; \
-    else echo "skip backend coverage" ; fi
 
 # submit coverage to coverals if COVERALLS_TOKEN in env
 RUN if [ -z "$COVERALLS_TOKEN" ] ; then \
     echo "coverall not enabled" ; \
-    else goveralls -coverprofile=.cover/cover.out -service=travis-ci -repotoken $COVERALLS_TOKEN || echo "coverall failed!"; fi
+    else goveralls -coverprofile=/profile.cov -service=travis-ci -repotoken $COVERALLS_TOKEN || echo "coverall failed!"; fi
 
 # if DRONE presented use DRONE_* git env to make version
 RUN \