Update entrypoint.sh

Resolve error "Pseudo-terminal will not be allocated because stdin is not a terminal/"

entrypoint.sh

@@ -9,4 +9,4 @@ ssh-keyscan $1 >> /root/.ssh/known_hosts
 
 ssh -o StrictHostKeyChecking=no $3@$1
 
-ssh -i /root/.ssh/key.pem $3@$1 -p $2 "$5"
+ssh -tt -i /root/.ssh/key.pem $3@$1 -p $2 "$5"