502 Bad gateway when creating project after GitLab upgrade from 12.0 to 12.3

We have upgraded our gitlab docker version from 12.0.1-ce.0 to 12.3.1-ce.0 version.
After upgrade im unable to create project. Timesout with 502 bad gateway. how do i trace this error from my logs and resolve
{“correlation_id”:“88EQQVReWt8”,“error”:“badgateway: failed after 61s: EOF”,“level”:“error”,“method”:“POST”,“msg”:“error”,“time”:“2019-09-25T02:28:02Z”,“uri”:"/projects"}


{“correlation_id”:“88EQQVReWt8”,“duration_ms”:60923,“host”:“git.mydomain.com:443”,“level”:“info”,“method”:“POST”,“msg”:“access”,“proto”:“HTTP/1.1”,“referrer”:“https://git.mydomain.com/projects/new",“remote_addr”:"106.200.199.37:0”,“remote_ip”:“106.200.199.37”,“status”:502,“system”:“http”,“time”:“2019-09-25T02:28:02Z”,“uri”:"/projects",“user_agent”:“Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Safari/537.36”,“written_bytes”:2940}

{“correlation_id”:“88EQQVReWt8”,“grpc.code”:“OK”,“grpc.meta.auth_version”:“v2”,“grpc.meta.client_name”:“gitlab-web”,“grpc.method”:“NamespaceExists”,“grpc.request.Name”:“netops/one.git”,“grpc.request.StorageName”:“default”,“grpc.request.deadline”:“2019-09-25T02:27:11Z”,“grpc.request.fullMethod”:"/gitaly.NamespaceService/NamespaceExists",“grpc.service”:“gitaly.NamespaceService”,“grpc.start_time”:“2019-09-25T02:27:01Z”,“grpc.time_ms”:0.068,“level”:“info”,“msg”:“finished unary call with code OK”,“peer.address”:"@",“pid”:669,“span.kind”:“server”,“system”:“grpc”,“time”:“2019-09-25T02:27:01Z”}
{“correlation_id”:“88EQQVReWt8”,“grpc.code”:“OK”,“grpc.meta.auth_version”:“v2”,“grpc.meta.client_name”:“gitlab-web”,“grpc.method”:“AddNamespace”,“grpc.request.Name”:“netops”,“grpc.request.StorageName”:“default”,“grpc.request.deadline”:“2019-09-25T02:27:11Z”,“grpc.request.fullMethod”:"/gitaly.NamespaceService/AddNamespace",“grpc.service”:“gitaly.NamespaceService”,“grpc.start_time”:“2019-09-25T02:27:01Z”,“grpc.time_ms”:0.043,“level”:“info”,“msg”:“finished unary call with code OK”,“peer.address”:"@",“pid”:669,“span.kind”:“server”,“system”:“grpc”,“time”:“2019-09-25T02:27:01Z”}
{“correlation_id”:“88EQQVReWt8”,“grpc.code”:“OK”,“grpc.meta.auth_version”:“v2”,“grpc.meta.client_name”:“gitlab-web”,“grpc.method”:“AddNamespace”,“grpc.request.Name”:“netops”,“grpc.request.StorageName”:“default”,“grpc.request.deadline”:“2019-09-25T02:27:11Z”,“grpc.request.fullMethod”:"/gitaly.NamespaceService/AddNamespace",“grpc.service”:“gitaly.NamespaceService”,“grpc.start_time”:“2019-09-25T02:27:01Z”,“grpc.time_ms”:0.044,“level”:“info”,“msg”:“finished unary call with code OK”,“peer.address”:"@",“pid”:669,“span.kind”:“server”,“system”:“grpc”,“time”:“2019-09-25T02:27:01Z”}