57. Automatic Container Restarts

 Status Codes
 _____________________________________________________
|            |                                        |
|     0      |    We exited and everything is OK      |
|____________|________________________________________|
|            |                                        |
| 1,2,3, etc | We exited because something went wrong |
|____________|________________________________________|


Restart Policies
 _______________________________________________________________________________________
|                |                                                                      |
|      "no"      | Never attempt to restart this container if it stops or crashes       |
|________________|______________________________________________________________________|
|                |                                                                      |
|     always     | If this container stops for any reason, always attempt to restart it |
|________________|______________________________________________________________________|
|                |                                                                      |
|   on-failure   |       Only restart if the container stops with an error code         |
|________________|______________________________________________________________________|
|                |                                                                      |
| unless-stopped |     Always restart unless we (the developers) forcibly stop it       |
|________________|______________________________________________________________________|