Simplify Dockerfile

Change-Id: I302dc1bf83115007919c9745912812fac8ac6648
diff --git a/docker/ENTRYPOINT.sh b/docker/ENTRYPOINT.sh
deleted file mode 100644
index cd44fa7..0000000
--- a/docker/ENTRYPOINT.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/usr/bin/env bash
-
-# set python3 alias, but needs permanent fix in image directly
-alias python=python3
-
-service openvswitch-switch start
-ovs-vsctl set-manager ptcp:6640
-
-bash
-
-service openvswitch-switch stop
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
new file mode 100755
index 0000000..45b7108
--- /dev/null
+++ b/docker/entrypoint.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+service openvswitch-switch start
+ovs-vsctl set-manager ptcp:6640
+
+bash
+
+service openvswitch-switch stop