docker guide fixes, add multiple account setup instructions (#729)

* docker guide fixes, add multiple account setup instructions

docs/Docker.md

@@ -4,7 +4,7 @@ Thats right folks onedrive is now dockerized ;)
 
 This container offers simple monitoring-mode service for 'Free Client for OneDrive on Linux'.
 
-## Usage instructions
+## Basic Setup
 
 ### 0. Install docker under your own platform's instructions
 
@@ -16,31 +16,25 @@ docker pull driveone/onedrive
 
 **NOTE:** SELinux context needs to be configured or disabled for Docker, to be able to write to OneDrive host directory.
 
-### 2. Prepare required stuff
+### 2. Prepare config volume
 
-Onedrive needs two volumes. One of them is the config volume. 
-
-If you dont't need an extra config file, You can create a docker volume:
+Onedrive needs two volumes. One of them is the config volume. Create it with:
 
 ```bash
 docker volume create onedrive_conf
 ```
 
-This will create a docker volume labeled 'onedrive_conf', which we will use it later.
+This will create a docker volume labeled `onedrive_conf`, where all configuration of your onedrive account will be stored. You can add a custom config file and other things later.
 
-The second one is your data folder that needs to sync with. Keep in mind that:
+The second docker volume is for your data folder and is created in the next step. It needs the path to a folder on your filesystem that you want to keep in sync with OneDrive. Keep in mind that:
 
--   The owner of the folder must not be root
+-   The owner of your specified folder must not be root
 
--   The owner have permission to its parent directory  
-    (because onedrive will try to setup a monitor for the sync folder).
+-   The owner of your specified folder must have permissions for its parent directory
 
 ### 3. First run
 
-Onedrive also needs to be authorized with your account.  
-This is done by running docker in interactive mode. 
-
-**make sure to change onedriveDir to your own.**
+Onedrive needs to be authorized with your Microsoft account. This is achieved by running docker in interactive mode. Run the docker image with the two commands below and **make sure to change `onedriveDir` to the onedrive data directory on your filesystem (e.g. `"/home/abraunegg/OneDrive"`)**
 
 ```bash
 onedriveDir="${HOME}/OneDrive"
@@ -48,15 +42,15 @@ docker run -it --restart unless-stopped --name onedrive -v onedrive_conf:/onedri
 ```
 
 -   You will be asked to open a specific link using your web browser 
--   login into your Microsoft Account and give the application the permission  
+-   Login to your Microsoft Account and give the application the permission 
 -   After giving the permission, you will be redirected to a blank page.  
 -   Copy the URI of the blank page into the application.
 
-If your onedrive is working as expected, you can detach from the container with Ctrl+p, Ctrl+q.
+The onedrive monitor is configured to start with your host system. If your onedrive is working as expected, you can detach from the container with Ctrl+p, Ctrl+q.
 
 ### 4. Status, stop, and restart
 
-Check if monitor service is running
+Check if the monitor service is running
 
 ```bash
 docker ps -f name=onedrive
@@ -80,27 +74,36 @@ Resume monitor
 docker start onedrive
 ```
 
-Unregister onedrive monitor
+Remove onedrive monitor
 
 ```bash
 docker rm -f onedrive
 ```
+## Advanced Setup
 
 ### 5. Edit the config
 
-Onedrive should run in default configuration, but however you can change your configuration.  
-
-First download the default config from [here](https://raw.githubusercontent.com/abraunegg/onedrive/master/config)  
+Onedrive should run in default configuration, however you can change your configuration by placing a custom config file in the `onedrive_conf` docker volume. First download the default config from [here](https://raw.githubusercontent.com/abraunegg/onedrive/master/config)  
 Then put it into your onedrive_conf volume path, which can be found with:  
 
 ```bash
 docker volume inspect onedrive_conf
 ```
 
-Or you can map your own config folder to config volume (copy stuffs from docker volume first)
+Or you can map your own config folder to the config volume. Make sure to copy all files from the docker volume into your mapped folder first.
 
 The detailed document for the config can be found here: [additional-configuration](https://github.com/abraunegg/onedrive#additional-configuration)
 
+### 6. Sync multiple accounts
+
+There are many ways to do this, the easiest is probably to
+1. Create a second docker config volume (replace `Work` with your desired name):  `docker volume create onedrive_conf_Work`
+2. And start a second docker monitor container (again replace `Work` with your desired name):
+```
+onedriveDirWork="/home/abraunegg/OneDriveWork"
+docker run -it --restart unless-stopped --name onedrive_Work -v onedrive_conf_Work:/onedrive/conf -v "${onedriveDirWork}:/onedrive/data" driveone/onedrive
+```
+
 ## Run or update with one script
 
 If you are experienced with docker and onedrive, you can use the following script: