running in container instructions update

README.md

@@ -47,7 +47,9 @@ Dependency: `libssl-dev`
     $ make install
 
 #### Using Containers
-The guide can be found [here](docs/containers.md)
+
+    $ docker build -t Y2Z/monolith .
+    $ sudo install -b utils/run-in-container.sh /usr/local/bin/monolith
 
 ---------------------------------------------------
 

utils/run-in-container.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+DOCKER=docker
+PROG_NAME=monolith
+
+if which podman 2>&1 > /dev/null; then
+    DOCKER=podman
+fi
+
+$DOCKER run --rm Y2Z/$PROG_NAME $PROG_NAME "$@"