java.net.UnknownHostException: schema-registry

 after run 

docker-compose up

I custom file user.props, then run

docker-compose up

and ingest data What may be the problem?

datahub-gms               | 04:05:22.429 [qtp544724190-23] ERROR i.c.k.s.client.rest.RestService - Failed to send HTTP request to endpoint: <http://schema-registry:8081/subjects/MetadataAuditEvent_v4-value/versions>
datahub-gms               | java.net.UnknownHostException: schema-registry
datahub-gms               | 	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)
datahub-gms               | 	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
datahub-gms               | 	at java.net.Socket.connect(Socket.java:607)
datahub-gms               | 	at sun.net.NetworkClient.doConnect(NetworkClient.java:175)
datahub-gms               | 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)
datahub-gms               | 	at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)
datahub-gms               | 	at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
datahub-gms               | 	at sun.net.www.http.HttpClient.New(HttpClient.java:339)
datahub-gms               | 	at sun.net.www.http.HttpClient.New(HttpClient.java:357)
datahub-gms               | 	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1226)

It seems that the schema registry container is not up...