add --network option for docker build

Signed-off-by: sandyskies <chenmingjie0828@163.com>
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

docs/reference/commandline/build.md

@@ -38,6 +38,13 @@ Options:
       --label value             Set metadata for an image (default [])
   -m, --memory string           Memory limit
       --memory-swap string      Swap limit equal to memory plus swap: '-1' to enable unlimited swap
+      --network string          Set the networking mode for the run commands
+                                during build.
+                                'bridge': use default Docker bridge
+                                'none': no networking
+                                'container:<name|id>': reuse another container's network stack
+                                'host': use the Docker host network stack
+                                '<network-name>|<network-id>': connect to a user-defined network
       --no-cache                Do not use cache when building the image
       --pull                    Always attempt to pull a newer version of the image
   -q, --quiet                   Suppress the build output and print image ID on success

man/docker-build.1.md

@@ -22,6 +22,7 @@ docker-build - Build a new image from the source code at PATH
 [**-t**|**--tag**[=*[]*]]
 [**-m**|**--memory**[=*MEMORY*]]
 [**--memory-swap**[=*LIMIT*]]
+[**--network**[=*"default"*]]
 [**--shm-size**[=*SHM-SIZE*]]
 [**--cpu-period**[=*0*]]
 [**--cpu-quota**[=*0*]]
@@ -111,6 +112,9 @@ set as the **URL**, the repository is cloned locally and then sent as the contex
 `k` (kilobytes), `m` (megabytes), or `g` (gigabytes). If you don't specify a
 unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap.
 
+**--network**=*NETWORK*
+  
+
 **--shm-size**=*SHM-SIZE*
   Size of `/dev/shm`. The format is `<number><unit>`. `number` must be greater than `0`.
   Unit is optional and can be `b` (bytes), `k` (kilobytes), `m` (megabytes), or `g` (gigabytes). If you omit the unit, the system uses bytes.

man/docker-run.1.md

@@ -388,7 +388,7 @@ string name. The name is useful when defining links (see **--link**) (or any
 other place you need to identify a container). This works for both background
 and foreground Docker containers.
 
-**--net**="*bridge*"
+**--network**="*bridge*"
    Set the Network mode for the container
                                'bridge': create a network stack on the default Docker bridge
                                'none': no networking