Docker install error :Job exception: end of file reached

Started POST "/finish-installation/register" for 111.18.132.97 at 2023-03-12 05:01:02 +0000
Processing by FinishInstallationController#register as HTML
  Parameters: {"authenticity_token"=>"uUlFHJ2U1-Gbj-ecBp1Whl_8kiQro3Wne6K3arRZrsHZnWMMpfXDn8wkRziF1Z-Samc6OhYdQNyptsHl1OBsnQ", "email"=>"245623257@qq.com", "username"=>"root", "password"=>"[FILTERED]", "commit"=>"Register"}
start
Redirected to http://VM-0-11-ubuntu/finish-installation/confirm-email
Completed 302 Found in 13ms (ActiveRecord: 0.0ms | Allocations: 3930)
  Rendered layouts/email_template.html.erb (Duration: 0.1ms | Allocations: 35)
Started GET "/finish-installation/confirm-email" for 111.18.132.97 at 2023-03-12 05:01:02 +0000
Processing by FinishInstallationController#confirm_email as HTML
  Rendered finish_installation/confirm_email.html.erb within layouts/finish_installation (Duration: 0.7ms | Allocations: 426)
  Rendered layout layouts/finish_installation.html.erb (Duration: 5.2ms | Allocations: 2662)
Completed 200 OK in 6ms (Views: 5.7ms | ActiveRecord: 0.0ms | Allocations: 3259)
Job exception: end of file reached

app.xml

  DISCOURSE_SMTP_ADDRESS: smtp.qq.com
  DISCOURSE_SMTP_PORT: 587
  DISCOURSE_SMTP_USER_NAME: redacted
  DISCOURSE_SMTP_PASSWORD: redacted
  DISCOURSE_SMTP_ENABLE_START_TLS: true         # (optional, default true)
  DISCOURSE_SMTP_AUTHENTICATION: login