updating docker.sh

examples/heart-uci/docker.sh

-
+#!/bin/bash
 cd examples/heart-uci
 # Generate ssl certificates
-python gen_ssl.py
+python3 gen_ssl.py
 # Run server container
 echo "python server.py" > docker_server.sh
-su - root -c "docker run -dt --mount type=bind,source=$PWD,target=/experiment --name server --env script=/experiment/docker_server.sh declearn"
+docker run -dt --mount type=bind,source=$PWD,target=/experiment --name server --env script=docker_server.sh declearn
 # Run all client containers
 for CLIENT in cleveland hungarian switzerland va
 do
     echo "python client.py $CLIENT" > docker_$CLIENT.sh
-    su - root -c "docker run -dt --mount type=bind,source=$PWD,target=/experiment --name $CLIENT --env script=/experiment/docker_$CLIENT.sh declearn"
+    docker run -dt --mount type=bind,source=$PWD,target=/experiment --name $CLIENT --env script=/experiment/docker_$CLIENT.sh declearn
 done