You can setup free CI and code coverage tracking via Drone and Coveralls.
To integrate between Drone and Coveralls, note down the private "repo token" assigned to your Coveralls project. Then adjust your Drone settings as shown below.
COVERALLS_TOKEN=the_repo_token
lsb_release -a
sudo start xvfb
sudo apt-get install -y telnet
go get
go build
cd testserver
./ibgwstart
sleep 15
cd ..
go get github.com/axw/gocov/gocov
go get github.com/mattn/goveralls
goveralls -service drone.io -repotoken $COVERALLS_TOKEN
./testserver/ibgwstop