Prepare nakedvnc for hub.docker.com. Add ENV BOOT_ARGS= to supply additon boot arguments, for example, vmx,rdtscp. Add ENV CPU=Penryn to allow changes to the CPU emulation, for example, Skylake-Client

Dockerfile.auto

@@ -7,7 +7,7 @@
 # 
 # Title:            Docker-OSX (Mac on Docker)
 # Author:           Sick.Codes https://twitter.com/sickcodes
-# Version:          4.3
+# Version:          4.4
 # License:          GPLv3+
 # Repository:       https://github.com/sickcodes/Docker-OSX
 # Website:          https://sick.codes
@@ -141,8 +141,14 @@ RUN if [[ "${COMPLETE}" ]]; then \
 
 ENV ADDITIONAL_PORTS=
 
+# add additional QEMU boot arguments
+ENV BOOT_ARGS=
+
 ENV BOOTDISK=
 
+# edit the CPU that is beign emulated
+ENV CPU=Penryn
+
 ENV DISPLAY=:99
 
 ENV HEADLESS=false