feat(settings/base.py): support GitHub OAuth

kursy/settings/base.py

@@ -10,13 +10,19 @@ For the full list of settings and their values, see
 https://docs.djangoproject.com/en/6.0/ref/settings/
 """
 
+import os
+
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 from pathlib import Path
 
+import dotenv
+
 PROJECT_DIR = Path(__file__).resolve().parent.parent
 BASE_DIR = PROJECT_DIR.parent
 
 
+dotenv.load_dotenv(BASE_DIR / ".env")
+
 # Quick-start development settings - unsuitable for production
 # See https://docs.djangoproject.com/en/6.0/howto/deployment/checklist/
 
@@ -49,6 +55,7 @@ INSTALLED_APPS = [
     "allauth",
     "allauth.account",
     "allauth.socialaccount",
+    "allauth.socialaccount.providers.github",
     "tailwind",
     "theme",
 ]
@@ -104,6 +111,17 @@ ACCOUNT_SIGNUP_FORM_CLASS = "kursy.forms.SignUpForm"
 
 ACCOUNT_LOGIN_METHODS = ["email", "username"]
 
+SOCIALACCOUNT_PROVIDERS = {
+    "github": {
+        "APP": {
+            "client_id": os.getenv("GITHUB_CLIENT_ID"),
+            "secret": os.getenv("GITHUB_SECRET"),
+        },
+        "SCOPE": [
+            "read:user",
+        ],
+    },
+}
 
 WSGI_APPLICATION = "kursy.wsgi.application"