$ kubectl apply -R -f configs/manifests/hackmd
$ kubectl config set-context cluster --namespace hackmd
$ ghq get yuanying/charts
$ cd $GOPATH/src/github.com/yuanying/charts/incubator/hackmd/
$ helm dep up .
$ cd -
$ helm install stable/hackmd \
--name hmd0 -f configs/helm/hackmd.yaml \
--namespace hackmd
$ helm upgrade hmd0 stable/hackmd \
-f configs/helm/hackmd.yaml --force