anchor.diff:  changes made in your application source code, you must run your built image with
   the `*DEV_MODE=true*` environment variable.
   
  -For example, see the
  -link:../../dev_guide/new_app.html#specifying-environment-variables[`oc new-app`]
  -command. You can use the
  -link:../../dev_guide/environment_variables.html#set-environment-variables[`oc
  -env`] command to update environment variables of existing objects.
  +You can set new environment variables when
  +link:../../dev_guide/new_app.html#specifying-environment-variables[creating new
  +applications], or
  +link:../../dev_guide/environment_variables.html#set-environment-variables[updating
  +environment variables for existing objects].
   
   [WARNING]
   ====
  -You should only use this option while developing or debugging; it is not
  -recommended to turn this on in your production environment.
  +Only use the `*DEV_MODE=true*` environment variable while developing or
  +debugging. Using this in your production environment is not recommended.
   ====
   
  -To change your source code in a running pod, use the
  -link:../../cli_reference/basic_cli_operations.html#troubleshooting-and-debugging-cli-operations[`oc
  -rsh`] command to enter the container:
  +To change the source code of a running pod,
  +link:../../cli_reference/basic_cli_operations.html#troubleshooting-and-debugging-cli-operations[open
  +a remote shell into the container]:
   
   ----
   $ oc rsh <pod_id>
   ----
   
  -After you enter into the running container, your current directory is set to
  -*_/opt/app-root/src_*, where the source code is located.
  -
  +Entering into a running container changes your current directory to
  +*_/opt/app-root/src_*, where the source code is located.
positive.code: |When set to `true`, enables hot deploy and opens the debug port. Additionally, indicates to tooling that the image is in development mode.  Default is `false`.
  
  |`*DEBUG_PORT*`
  |The debug port. Only valid if DEV_MODE is set to true. Default is 5858.
  
  |===
  
  == Hot Deploying
  
  Hot deployment allows you to quickly make and deploy changes to your application
  
negative.code: https://github.com/openshift/origin/tree/master/examples/image-streams[example
  image stream definitions] for all the provided OpenShift images.
  
  [[nodejs-configuration]]
  == Configuration
  The Node.js image supports a number of environment variables, which can be set
  to control the configuration and behavior of the Node.js runtime.
  
  To set these environment variables, you can place them into
  link:../../dev_guide/builds.html#environment-files[a *_.s2i/environment_* file]
  