add Docker platform for integration tests

refs #5108

Change-Id: I2855a5d87e4dbca6af02049e0cf423b7c893b2d0
diff --git a/install_helpers/install_dependencies.sh b/install_helpers/install_dependencies.sh
index e9b6e7d..ba05dd9 100755
--- a/install_helpers/install_dependencies.sh
+++ b/install_helpers/install_dependencies.sh
@@ -6,4 +6,4 @@
 echo "***********************"
 
 sudo apt-get -qq update
-sudo apt-get -qq install build-essential git libboost-all-dev libpcap-dev pkg-config libsqlite3-dev socat bind9 libssl-dev
+sudo apt-get -qq install bind9 build-essential git libboost-all-dev libpcap-dev pkg-config libsqlite3-dev libssl-dev python3-minimal socat