Change the variable name

Author: mansab

README.md

@@ -36,7 +36,7 @@ it can be provided by **either** of the following methods:
 * You will need to set the following environment variables:
 ```
 APP_AUTH_ID=<id_of_your_github_app>
-B64_APP_AUTH_PRIVATE_KEY=<private_key_of_your_github_app_bas64_encoded>
+APP_AUTH_PRIVATE_KEY_B64=<private_key_of_your_github_app_bas64_encoded>
 APP_AUTH_INSTALLATION_ID=<installtion_id_once_installed>
 ```
 * Please refer to Github's offical documentation to know what these values are and where can you find them 
@@ -70,7 +70,7 @@ You can do this in two ways:
 ```bash
  docker run -p 8000:8000 \
             -e APP_AUTH_ID="<id_of_your_github_app>" \
-            -e B64_APP_AUTH_PRIVATE_KEY="<private_key_of_your_github_app_base64_encoded>" \
+            -e APP_AUTH_PRIVATE_KEY_B64="<private_key_of_your_github_app_base64_encoded>" \
             -e APP_AUTH_INSTALLATION_ID="<installtion_id_once_installed>" \
             -e BASIC_AUTH_USERNAME="<your_username>" \
             -e BASIC_AUTH_PASSWORD="<your_password>" \

src/config.py

@@ -10,6 +10,6 @@
 
 GITHUB_TOKEN = os.environ.get("GITHUB_TOKEN")
 APP_AUTH_ID = os.environ.get("APP_AUTH_ID")
-B64_APP_AUTH_PRIVATE_KEY = os.environ.get("B64_APP_AUTH_PRIVATE_KEY")
+APP_AUTH_PRIVATE_KEY_B64 = os.environ.get("APP_AUTH_PRIVATE_KEY_B64")
 APP_AUTH_INSTALLATION_ID = os.environ.get("APP_AUTH_INSTALLATION_ID")
 APP_AUTH_BASE_URL = "https://api.github.com"

src/helpers.py

@@ -14,7 +14,7 @@
     APP_AUTH_ID,
     APP_AUTH_BASE_URL,
     APP_AUTH_INSTALLATION_ID,
-    B64_APP_AUTH_PRIVATE_KEY,
+    APP_AUTH_PRIVATE_KEY_B64,
 )
 
 
@@ -45,15 +45,15 @@ def get_token():
         token = GITHUB_TOKEN
     elif args.mode == "app-auth":
         app_auth_id = APP_AUTH_ID
-        B64_APP_AUTH_PRIVATE_KEY = decode_base64(B64_APP_AUTH_PRIVATE_KEY)
+        APP_AUTH_PRIVATE_KEY_B64 = decode_base64(APP_AUTH_PRIVATE_KEY_B64)
         app_auth_installation_id = APP_AUTH_INSTALLATION_ID
         app_auth_base_url = APP_AUTH_BASE_URL
 
         now = datetime.datetime.utcnow()
         iat = int((now - datetime.datetime(1970, 1, 1)).total_seconds())
         exp = iat + 600
         payload = {"iat": iat, "exp": exp, "iss": app_auth_id}
-        encoded_jwt = jwt.encode(payload, B64_APP_AUTH_PRIVATE_KEY, algorithm="RS256")
+        encoded_jwt = jwt.encode(payload, APP_AUTH_PRIVATE_KEY_B64, algorithm="RS256")
         headers = {
             "Authorization": f"Bearer {encoded_jwt}",
             "Accept": "application/vnd.github.v3+json",