container mainflux/users failed to start, failed to create admin user and failed to configure e-mailing util

[Jesse3692]

• os: 20.04.3 LTS (Focal Fossa)
• docker: 20.10.7
• docker-compose:1.29.2
• repo:https://github.com/mainflux/ui.git
• commit:ccd2679bd619ed3309e6ffa79f6990063d2555c0

> Executing task: docker logs --tail 1000 -f 190d410b566dd192f29e67c2fc8e13dc0de2e20796b044a052c13d45c41013b9 <

{"level":"error","message":"Failed to connect to postgres: dial tcp 172.27.0.10:5432: connect: connection refused","ts":"2021-12-09T10:22:47.759775233Z"}
{"level":"error","message":"Failed to connect to postgres: dial tcp 172.27.0.10:5432: connect: connection refused","ts":"2021-12-09T10:22:56.87154745Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:23:08.899753007Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:23:08.903830861Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:23:08.90971862Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:23:14.203760986Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:23:14.208203851Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:23:14.214677078Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:23:18.744481119Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:23:18.74794207Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:23:18.756766817Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:23:22.134773042Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:23:22.137248865Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:23:22.143236104Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:23:26.8454213Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:23:26.848082161Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:23:26.854007012Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:23:34.879519206Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:23:34.883348101Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:23:34.891012131Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:23:48.815326772Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:23:48.817720362Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:23:48.822912386Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:24:15.485284294Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:24:15.488054897Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:24:15.49347668Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:25:07.763258882Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:25:07.767025215Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:25:07.772870596Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:26:08.854872737Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:26:08.858626247Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:26:08.865147373Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:27:10.038751095Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:27:10.04163849Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:27:10.046834463Z"}
{"level":"info","message":"gRPC communication is not encrypted","ts":"2021-12-09T10:28:11.233184679Z"}
{"level":"error","message":"Failed to configure e-mailing util: Parse e-mail template failed : read email.tmpl: is a directory","ts":"2021-12-09T10:28:11.236280837Z"}
{"level":"error","message":"failed to create admin user: rpc error: code = Internal desc = internal server error","ts":"2021-12-09T10:28:11.243580463Z"}

[Jesse3692]

When I use this version of the image（mainflux/users:0.12.1）, it works normally