| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/Microsoft/hcsshim/internal/wclayer | Package wclayer provides bindings to HCS's legacy layer management API and provides a higher level interface around these calls for container layer management. |
| github.com/urfave/cli | Package cli provides a minimal framework for creating and organizing command line Go applications. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |