README.md in t2_airtime-0.5.2 vs README.md in t2_airtime-0.6.0

@@ -16,57 +16,59 @@
 ### Install as a Ruby gem
 
 ``` sh
 gem install t2_airtime
 ```
+### Setup Transfer-To credentials
 
-### Using Docker - alternative if you don't install ruby or installation not work for you
+1. Make sure you are a registered user of [Transfer-To](https://www.transfer-to.com/home).
+2. Enable Two Factor Authentication (2FA) in your [Transfer-To Shop](https://shop.transferto.com) Security Center section
+2. Retrieve API key (token) created by Transfer-To Shop.
+3. Export your secrets as an environment variables:
 
-Download image:
-
-```
-docker pull voxbox/t2_airtime
-```
-
-Export your secrets:
-
 ```sh
 export T2_SHOP_USER=<your_username>
 export T2_AIRTIME_KEY=<your_token>
 ```
 
-Export the host allowed to access the API (CORS):
+4. Export the host allowed to access the API (CORS):
 ```sh
 export CORS_ORIGIN=<your_frontend_address>
 ```
 
-Run:
+5. Export your API secrets:
 
 ```sh
+export API_KEY=<t2_airtime_key>
+export API_TOKEN=<t2_airtime_token>
+```
+
+
+### Using Docker
+
+1. Download image:
+
+```
+docker pull voxbox/t2_airtime
+```
+
+2. Export your secrets in env (see previous step)
+
+3. Run:
+
+```sh
 docker run -d \
   --name t2_airtime \
   -p 3000:3000 \
   -e T2_SHOP_USER \
   -e T2_AIRTIME_KEY \
+  -e API_KEY \
+  -e API_TOKEN \
   -e CORS_ORIGIN \
   voxbox/t2_airtime
-docker logs t2_airtime -f  
 ```
 
-
-### Setup Transfer-To credentials
-
-1. Make sure you are a registered user of [Transfer-To](https://www.transfer-to.com/home).
-2. Enable Two Factor Authentication (2FA) in your [Transfer-To Shop](https://shop.transferto.com) Security Center section
-2. Retrieve API key (token) created by Transfer-To Shop.
-3. Export your secrets as an environment variables:
-
-```sh
-export T2_SHOP_USER=<your_username>
-export T2_AIRTIME_KEY=<your_token>
-```
-
 ## Development
 
 1.  If needed, install bundler:
 
     ```sh
@@ -90,9 +92,16 @@
 
 Inside the `t2_airtime` repository directory run:
 
 ```sh
 $ bundle exec rspec
+```
+
+To start a development server:
+
+```sh
+$ cd spec/dummy
+$ puma -C config/puma.rb
 ```
 
 
 ## License
 
\ No newline at end of file