Something is wrong. I manually started the container using docker
docker run -d dgraph/standalone:master
It is up and running.
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
08affe6a264c dgraph/standalone:master "/run.sh" 3 seconds ago Up 2 seconds 8000/tcp, 8080/tcp, 9080/tcp musing_liskov
I can’t connect with the GraphQL Playground
http://0.0.0.0:8080/graphql