Update instructions to install using docker

README.md

@@ -37,7 +37,7 @@ for different studies.
 Due to high dependencies on the external packages of various versions, we strongly recommend to use
 the docker-image [docker](https://www.docker.com) to deploy ER installation.
 
-1. Install docker desktop on your system: https://www.docker.com/get-started
+1. Install docker engine on your system: https://docs.docker.com/engine/install/ubuntu/
 2. Follow docker post-installation steps: https://docs.docker.com/engine/install/linux-postinstall/
 2. Clone ER repository:
 
@@ -55,10 +55,10 @@ docker build --build-arg ER=dev -t er .
 4. Run _er_ container, compile updated sources, run simulation:
 
 ```
-docker run --entrypoint /bin/bash -v /home/vitaliy/er:/opt/er -v /home/vitaliy/er/macro/EXP1904_H7:/opt/run -w /opt/run -e DISPLAY=$DISPLAY -it er
+docker run --entrypoint /bin/bash --net=host -v /home/vitaliy/er:/opt/er -v /home/vitaliy/er/macro/EXP1904_H7:/opt/run -w /opt/run -v /tmp/.X11-unix:/tmp/.X11-unix  -v $HOME/.Xauthority:/home/jovyan/.Xauthority:rw -e DISPLAY=$DISPLAY -it er
 cd /opt/er
 mkdir build
-cd /build
+cd build
 export SIMPATH=/opt/FairSoft/
 export FAIRROOTPATH=/opt/FairRoot/
 cmake ../ -DACCULINNA_GO4=/opt/accdaq/install/