dockerBasics.md

@@ -7,8 +7,8 @@
 # Index
 1. [Docker Terminologies](#docker-terminologies)
 2. [Docker Installation (ubuntu16.04)](#docker-installation)
-4. [Docker Basic Command](#docker-basic-command)
-5. [Creating Docker application](#creating-an-application)
+4. [Docker Basic Command](#docker-basic-commands)
+5. [Common Docker operations](#creating-an-application)
 
 
 ## Why docker ?
@@ -144,7 +144,7 @@ Typically, you will be using docker in the given flow.
 
 ---
 
-Commands for doing the operations on docker are
+Example of the above flow: 
 
 **1. Download the docker.**
 
@@ -152,21 +152,18 @@ Commands for doing the operations on docker are
 docker pull snehabhapkar/trydock
 ```
 
-This is an empty docker image.
-
 **2. Run the docker image with this command.**
 
 ```shell
 docker run -ti snehabhapkar/trydock /bin/bash
 ```
 
-Which will output like this
+Which will output like this, this means that now you are running the docker container and you are inside the container.
 
 ```shell
 root@e0b72ff850f8:/#
 ```
-
-This will create a container ID in your system for this image. Container ID in my case is e0b72ff850f8.
+Every running container has an ID in your system. Container ID in my case is `e0b72ff850f8`.
 
 **3. Let copy our code inside docker with this command.** (Make sure you are not inside docker terminal, enter `exit` in command line to get out of container terminal)
 
@@ -198,6 +195,7 @@ docker cp requirements.sh e0b72ff850f8:/
 ```
 
 **4. Install dependencies**
+If you want to install additional dependencies then you can, write all the steps for installation in a shell script and run the script inside the container.
 
 * Give permission to run shell script
 
@@ -228,7 +226,7 @@ docker commit e0b72ff850f8 snehabhapkar/trydock
 
 where e0b72ff850f8 is the containerID.
 
-**7. Push docker image to the dockerhub and share repository name in the summary of assignment.**
+**7. Push docker image to the dockerhub.**
 
 * Tag image name with different name
 
@@ -238,13 +236,16 @@ docker tag snehabhapkar/trydock username/repo
 
 where username is your username on dockerhub and repo is the name of image.
 
+For example: 
+```sh
+docker tag snehabhapkar/trydock yh42/trial-dock-img
+```
+
 * Push on dockerhub
 
 ```shell
 docker push username/repo
 ```
 
-and submit the link to your repository in the docker summary.
-