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+# Docker volume extension api.
+
+Go handler to create external volume extensions for Docker.
+
+## Usage
+
+This library is designed to be integrated in your program.
+
+1. Implement the `volume.Driver` interface.
+2. Initialize a `volume.Handler` with your implementation.
+3. Call either `ServeTCP` or `ServeUnix` from the `volume.Handler`.
+
+### Example using TCP sockets:
+
+```go
+  d := MyVolumeDriver{}
+  h := volume.NewHandler(d)
+  h.ServeTCP("test_volume", ":8080")
+```
+
+### Example using Unix sockets:
+
+```go
+  d := MyVolumeDriver{}
+  h := volume.NewHandler(d)
+  u, _ := user.Lookup("root")
+  gid, _ := strconv.Atoi(u.Gid)
+  h.ServeUnix("test_volume", gid)
+```
+
+## Full example plugins
+
+- https://github.com/calavera/docker-volume-glusterfs
+- https://github.com/calavera/docker-volume-keywhiz
+- https://github.com/quobyte/docker-volume
+- https://github.com/NimbleStorage/Nemo