| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| crypto/rand | Package rand implements a cryptographically secure random number generator. |
| encoding/base64 | Package base64 implements base64 encoding as specified by RFC 4648. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| 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/containerd/containerd/content | |
| github.com/containerd/containerd/diff | |
| github.com/containerd/containerd/errdefs | Package errdefs defines the common errors used throughout containerd packages. |
| github.com/containerd/containerd/images | |
| github.com/containerd/containerd/labels | |
| github.com/containerd/containerd/log | |
| github.com/containerd/containerd/mount | |
| github.com/containerd/containerd/pkg/cleanup | Package providing utilies to help cleanup |
| github.com/containerd/containerd/pkg/kmutex | Package kmutex provides synchronization primitives to lock/unlock resource by unique key. |
| github.com/containerd/containerd/platforms | |
| github.com/containerd/containerd/snapshots | |
| github.com/containerd/containerd/tracing | |
| github.com/opencontainers/go-digest | Package digest provides a generalized type to opaquely represent message digests and their operations within the registry. |
| github.com/opencontainers/image-spec/identity | Package identity provides implementations of subtle calculations pertaining to image and layer identity. |
| github.com/opencontainers/image-spec/specs-go/v1 | |
| golang.org/x/sync/errgroup | Package errgroup provides synchronization, error propagation, and Context cancelation for groups of goroutines working on subtasks of a common task. |
| golang.org/x/sync/semaphore | Package semaphore provides a weighted semaphore implementation. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| sync/atomic | Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms. |
| time | Package time provides functionality for measuring and displaying time. |