Encrypt service account file from Google Cloud IAM
docker run -it -v $(pwd):/app ruby:2.3 sh
gem install travis
travis login --pro --github-token xxx
travis encrypt-file service-account.json -r ductoanthanh/pos
openssl aes-256-cbc -K $encrypted_9f3b5599b056_key -iv $encrypted_9f3b5599b056_iv -in service-account.json.enc -out service-account.json -d
curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
chmod 700 get_helm.sh
./get_helm.sh
helm repo add stable https://kubernetes-charts.storage.googleapis.com/
helm install my-nginx stable/nginx-ingress
kubectl create secret generic db_url --from-literal DB_URL=yoururl