### Pydantic v1

**This version of FastAPI still supports Pydantic v1**. And although Pydantic v1 will be deprecated at some point, it will still be supported for a while.

{\n  display: block;\n}\n\n// Body\n//\n// 1. Remove the margin in all browsers.\n// 2. As a best practice, apply a default `background-color`.\n// 3. Set an explicit initial text-align value so that we can later use\n//    the `inherit` value on things like `<th>` elements.\n\nbody {\n  margin: 0; // 1\n  font-family: $font-family-base;\n  @include font-size($font-size-base);\n  font-weight: $font-weight-base;\n  line-height: $line-height-base;\n  color: $body-color;\n  text-align: left; // 3\n...

  In Linux containers, this means setting the FQDN in the hostname field of the 
  kernel (the nodename field of struct utsname).  In Windows containers, this
  means setting the this means setting the registry value of hostname for the registry key HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters to FQDN.