1.0.0.0-rc-update1 SqlClient FileNotFound

docker environment

root@9856ce2fe6fa:~/EntityFramework.Docs/docs/getting-started/aspnet5/sample/src/EFGetStarted.AspNet5.ExistingDb# dnvm upgrade
It appears you don't have Mono available. Remember to get Mono before trying to run  application.
Determining latest version
Latest version is 1.0.0-rc1-update1
dnx-mono.1.0.0-rc1-update1 already installed in /opt/DNX_BRANCH
Adding /opt/DNX_BRANCH/runtimes/dnx-mono.1.0.0-rc1-update1/bin to process PATH
Updating alias 'default' to 'dnx-mono.1.0.0-rc1-update1'
root@9856ce2fe6fa:~/EntityFramework.Docs/docs/getting-started/aspnet5/sample/src/EFGetStarted.AspNet5.ExistingDb# dnvm upgrade -r coreclr
Determining latest version
Latest version is 1.0.0-rc1-update1
dnx-coreclr-linux-x64.1.0.0-rc1-update1 already installed in /opt/DNX_BRANCH
Adding /opt/DNX_BRANCH/runtimes/dnx-coreclr-linux-x64.1.0.0-rc1-update1/bin to process PATH
Updating alias 'default' to 'dnx-coreclr-linux-x64.1.0.0-rc1-update1'
root@9856ce2fe6fa:~/EntityFramework.Docs/docs/getting-started/aspnet5/sample/src/EFGetStarted.AspNet5.ExistingDb# dnx
Microsoft .NET Execution environment CoreClr-x64-1.0.0-rc1-16231

Usage: dnx [options]

Options:
  --project|-p <PATH>              Path to the project.json file or the application folder. Defaults to the current folder if not provided.
  --appbase <PATH>                 Application base directory path
  --lib <LIB_PATHS>                Paths used for library look-up
  --debug                          Waits for the debugger to attach before beginning execution.
  --bootstrapper-debug             Waits for the debugger to attach before bootstrapping runtime.
  -?|-h|--help                     Show help information
  --version                        Show version information
  --watch                          Watch file changes
  --packages <PACKAGE_DIR>         Directory containing packages
  --configuration <CONFIGURATION>  The configuration to run under
  --port <PORT>                    The port to the compilation server
root@9856ce2fe6fa:~/EntityFramework.Docs/docs/getting-started/aspnet5/sample/src/EFGetStarted.AspNet5.ExistingDb# dnu
Microsoft .NET Development Utility CoreClr-x64-1.0.0-rc1-16231

Usage: dnu [options] [command]

Options:
  -v|--verbose  Show verbose output
  -?|-h|--help  Show help information
  --version     Show version information

Commands:
  build             Produce assemblies for the project in given directory
  clear-http-cache  Clears the package cache.
  commands          Commands related to managing application commands (install, uninstall)
  feeds             Commands related to managing package feeds currently in use
  install           Install the given dependency
  list              Print the dependencies of a given project
  pack              Build NuGet packages for the project in given directory
  packages          Commands related to managing local and remote packages folders
  publish           Publish application for deployment
  restore           Restore packages
  wrap              Wrap a csproj/assembly into a project.json, which can be referenced by project.json files

Use "dnu [command] --help" for more information about a command.