anchor.diff:  chmod +x /usr/local/bin/docker-compose
   ----
   
  -Docker Compose is not natively supported on Windows and thus requires a workaround as specfied at https://registry.hub.docker.com/u/dduportal/docker-compose/.
  +Docker Compose is not natively supported on Windows and thus requires a workaround as specfied at http://blog.eisele.net/2015/06/docker-compose-on-windows-with-python.html.
  +You need to install Babun and Python to get further from here on.
   
   ## Install and Configure Docker Machine
   Install the Docker machine client for your environment: https://github.com/docker/machine/releases/[latest releases]
  
positive.code: dockerfiles> cd ..
  instructor> docker ps
  CONTAINER ID        IMAGE                          COMMAND                CREATED              STATUS              PORTS                                                   NAMES
  7b847ca4554e        registry:2.0                   "registry cmd/regist   45 seconds ago       Up 45 seconds       0.0.0.0:5000->5000/tcp                                  instructor_dockerregistry_1     
  3704d3205eac        sameersbn/gitlab:7.10.4        "/app/init app:start   About a minute ago   Up About a minute   443/tcp, 0.0.0.0:10022->22/tcp, 0.0.0.0:10080->80/tcp   instructor_gitlab_1             
  66ac375ecd8d        sameersbn/postgresql:9.4       "/start"               2 minutes ago        Up 2 minutes        5432/tcp                                                instructor_postgresqlgitlab_1   
  b4a36e701386        sonatype/nexus:oss             "/bin/sh -c 'java      4 minutes ago        Up 4 minutes        0.0.0.0:8081->8081/tcp                                  instructor_nexus_1              
  5986b380732c        sameersbn/redis:latest         "/start"               4 minutes ago        Up 4 minutes        6379/tcp                                                instructor_redisgitlab_1        
  a041b58ceff1        instructor_httpserver:latest   "/run-apache.sh"       5 minutes ago        Up 5 minutes        0.0.0.0:8082->80/tcp                                    instructor_httpserver_1         
  ----
  
  Test if the servers are running:
  
negative.code: '
  ----
  +
  Make sure to substitute `<HOST_IP>` with the IP address obtained earlier.
  +
  Leave other key/value in the file as is. Save and quit the editor.
  +
  