README: Add docker-compose usage and fix some markdown issues

README.md

@@ -14,10 +14,12 @@ This is a little website I've put together to allow me to easily make flash card
   - bitwise operations
 
 Will be able to use it on:
-    - desktop
+
-    - mobile (phone and tablet)
+- desktop
+- mobile (phone and tablet)
 
 It uses:
+
 - Python 3
 - Flask
 - SQLite
@@ -77,7 +79,7 @@ Thanks [@eyedol](https://github.com/eyedol)
     - This is my systemd file `/etc/systemd/system/flash_cards.service`: [view](flash_cards.service)
         - you can see the paths where I installed it, and the name of my virtualenv directory
     - when done with tutorial:
-    ```
+    ```shell
     sudo systemctl restart flash_cards
     sudo systemctl daemon-reload
     ```
@@ -92,42 +94,52 @@ Thanks [@eyedol](https://github.com/eyedol)
 *Provided by [@devyash](https://github.com/devyash) - devyashsanghai@gmail.com - Reach out to this contributor if you have trouble.*
 
 1. Install dependencies:
-  1. Install [Python ](https://www.python.org/download/releases/2.7/)
+   1. Install [Python](https://www.python.org/download/releases)
-  2. Add python as environment variable [windows](http://stackoverflow.com/questions/3701646/how-to-add-to-the-pythonpath-in-windows-7)
+   1. Add python as environment variable [windows](http://stackoverflow.com/questions/3701646/how-to-add-to-the-pythonpath-in-windows-7)
-  3. To install pip, securely download [get-pip.py](https://bootstrap.pypa.io/get-pip.py)
+   1. To install pip, securely download [get-pip.py](https://bootstrap.pypa.io/get-pip.py)
-  4. Run ```python get-pip.py```in terminal
+   1. Run `python get-pip.py` in terminal
-  5. Add pip to your PATH system variable [windows](https://stackoverflow.com/questions/23708898/pip-is-not-recognized-as-an-internal-or-external-command)
+   1. Add pip to your PATH system variable [windows](https://stackoverflow.com/questions/23708898/pip-is-not-recognized-as-an-internal-or-external-command)
-  6. Run ``` pip install -r requirements.txt``` in terminal after going to correct folder
+   1. Run `pip install -r requirements.txt` in terminal after going to correct folder
-2. Open flash_cards.py and uncomment the line 52-55 beginning from ``` @app.route('/initdb')```
+1. Open flash_cards.py and uncomment the line 52-55 beginning from `@app.route('/initdb')`
-3. Type ```python flash_cards.py``` - if you get error for flask then use ```python -m pip install Flask``` first then run ```flash_card.py``` file 
+1. Type `python flash_cards.py` - if you get error for flask then use `python -m pip install Flask` first then run `flash_card.py` file
-4. Open localhost:5000/initdb
+1. Open localhost:5000/initdb
-5. Login using id:USERNAME='admin', PASSWORD='default. 
+1. Login using id:USERNAME='admin', PASSWORD='default'.
-6. Comment the line 52-55 in flash_cards.py
+1. Comment the line 52-55 in flash_cards.py
 
-NOTE: If you wish to use John's flash cards then also do following steps:
+**NOTE:** If you wish to use John's flash cards then also do following steps:
-1. Copy db files such as ```cards-jwasham-extreme``` OR ```cards-jwasham``` and paste them in db folder
+
-2. Edit file ```flash_cards.py``` line 11 and replace cards with any of the other database files
+1. Copy db files such as `cards-jwasham-extreme` OR `cards-jwasham` and paste them in db folder
-3. Repeat the above steps from step 3
+1. Edit file `flash_cards.py` line 11 and replace cards with any of the other database files
-Every time you wish to run your db just open folder in terminal and run  ```python flash_cards.py```
+1. Repeat the above steps from step 3
+
+Every time you wish to run your db just open folder in terminal and run  `python flash_cards.py`
 
 ## How to run with Docker
 
 *Provided by [@Tinpee](https://github.com/tinpee) - tinpee.dev@gmail.com - Reach out to this contributor if you have trouble.*
 
-__Make sure you already installed [docker](https://www.docker.com)__
+__Make sure you already installed [docker](https://www.docker.com) and optionally [docker-compose](https://docs.docker.com/compose/install/)__
 
 1. Clone project to any where you want and go to source folder.
-1. Edit the config.txt file. Change the secret key, username and password. The username and password will be the login 
+1. Edit the `config.txt` file. Change the secret key, username and password. The username and password will be the login for your site. There is only one user - you.
-    for your site. There is only one user - you.
+1. Build image:
-1. Build image: `docker build . -t cs-flash-cards`
+   - Docker: `docker build . -t cs-flash-cards`
-1. Run container: `docker run -d -p 8000:8000 --name cs-flash-cards cs-flash-cards`
+   - Compose: `docker-compose build`
+1. Run container:
+   - Docker: `docker run -d -p 8000:8000 --name cs-flash-cards cs-flash-cards`
+   - Compose: `docker-compose up`
 1. Go your browser and type `http://localhost:8000`
 
 __If you already had a backup file `cards.db`. Run following command:__
+
 *Note: We don't need to rebuild image, just delete old container if you already built.*
-`docker run -d -p 8000:8000 --name cs-flash-cards -v <path_to_folder_contains_cards_db>:/src/db cs-flash-cards`.
+
-`<path_to_folder_contains_cards_db>`: is the full path contains `cards.db`.
+```shell
-Example: `/home/tinpee/cs-flash-cards/db`, and `cards.db` is inside this folder.
+docker run -d -p 8000:8000 --name cs-flash-cards -v <path_to_folder_contains_cards_db>:/src/db cs-flash-cards
+```
+
+- `<path_to_folder_contains_cards_db>`: is the full path contains `cards.db`.
+- Example: `/home/tinpee/cs-flash-cards/db`, and `cards.db` is inside this folder.
 
 For convenience, if you don't have `cards.db`, this container will auto copy a new one from `cards-empty.db`.
 
@@ -148,7 +160,8 @@ We just need store `cards.db` file, and don't need any sql command.
 
 - first install [heroku CLI](https://devcenter.heroku.com/articles/heroku-cli)
 - change `entrypoint.sh`
-```
+
+```shell
 - export CARDS_SETTINGS=/src/config.txt
 gunicorn --bind  0.0.0.0:$8000 flash_cards:app
 + export CARDS_SETTINGS=/src/config.txt
@@ -173,4 +186,3 @@ heroku open --app your-app-name
 Check out the demo!
 
 *Happy learning!*
-