chore: configuration and infrastructure polish

- Add Redis persistence volume
- Extract REDIS_HOST, REDIS_PORT, and CORS_ORIGINS to environment variables

Author: abhiyanpa

.env.example

@@ -15,3 +15,11 @@ DEBUG=False
 
 # Cache settings - Enable to improve performance
 CACHE_ENABLED=True
+
+# Redis Configuration
+REDIS_HOST=redis
+REDIS_PORT=6379
+
+# CORS Configuration
+# Comma-separated list of allowed origins
+CORS_ORIGINS=https://devb.io,https://beta.devb.io,http://localhost:3000,http://localhost:8080

api/main.py

@@ -27,7 +27,7 @@
 
 # Initialize Redis client
 if Settings.CACHE_ENABLED:
-    redis_client = redis.Redis(host='redis', port=6379, db=0)
+    redis_client = redis.Redis(host=Settings.REDIS_HOST, port=Settings.REDIS_PORT, db=0)
 
 
 class APIKeyMiddleware(BaseHTTPMiddleware):
@@ -162,17 +162,10 @@ async def fetch_linkedin_profile(username: Annotated[str, Depends(verify_linkedi
 
 
 
-ALLOWED_ORIGINS = [
-    "https://devb.io",
-    "https://beta.devb.io",
-    "http://localhost:3000",  # For local development
-    "http://localhost:8080"
-]
-
 # Add CORS middleware with specific origins
 app.add_middleware(
     CORSMiddleware,
-    allow_origins=ALLOWED_ORIGINS,  # Use the whitelist instead of "*"
+    allow_origins=Settings.CORS_ORIGINS,  # Use the whitelist instead of "*"
     allow_credentials=True,
     allow_methods=["GET", "OPTIONS"],  # Specify allowed methods
     allow_headers=["Authorization", "Content-Type", "X-API-Key"],  # Specify allowed headers

config/settings.py

@@ -37,7 +37,14 @@ class Settings:
         BLACKLISTED_USERS = json.load(f)
 
     BLACKLISTED_USERS = {user.lower() for user in BLACKLISTED_USERS}
-    REDIS_HOST = "redis://redis:6379/0"
+    
+    # Redis configuration
+    REDIS_HOST = os.getenv("REDIS_HOST", "redis")
+    REDIS_PORT = int(os.getenv("REDIS_PORT", "6379"))
+    
+    # CORS configuration
+    CORS_ORIGINS = os.getenv("CORS_ORIGINS", "https://devb.io,https://beta.devb.io,http://localhost:3000,http://localhost:8080").split(",")
+
     API_URL = "https://user.devb.io"
     DEFAULT_CACHE_TTL = 3600 * 24 * 7  # 1 week
     CACHE_ENABLED = os.getenv("CACHE_ENABLED", "true").lower() == "true"

docker-compose.yml

@@ -18,11 +18,16 @@ services:
     image: redis:7.2-alpine
     ports:
       - "6378:6379"
+    volumes:
+      - redis_data:/data
     networks:
       - app-network
 
 networks:
   app-network:
     driver: bridge
 
+volumes:
+  redis_data:
+