add dns flags to docs
Added same dns flags from buildah documentation to podman
@@ -174,6 +174,18 @@ This is a Docker specific option to disable image verification to a Docker
registry and is not supported by Podman. This flag is a NOOP and provided
soley for scripting compatibility.
+**--dns**=[]
+
+Set custom DNS servers
+
+**--dns-option**=[]
+
+Set custom DNS options
+
+**--dns-search**=[]
+
+Set custom DNS search domains
+
**--file, -f** *Dockerfile*
Specifies a Dockerfile which contains instructions for building the image,
