Feature/redis caching

app/config/settings.py

@@ -49,6 +49,12 @@ class Settings(BaseSettings):
     # Security
     secret_key: str = Field(..., env="SECRET_KEY")
     access_token_expire_minutes: int = Field(30, env="ACCESS_TOKEN_EXPIRE_MINUTES")
+
+    # Redis
+    redis_host: str = Field("localhost", env="REDIS_HOST")
+    redis_port: int = Field(6379, env="REDIS_PORT")
+    redis_db: int = Field(0, env="REDIS_DB")
+    redis_password: str | None = Field(None, env="REDIS_PASSWORD")
 
     @field_validator("cors_origins", mode="before")
     @classmethod

app/services/cache.py

@@ -0,0 +1,25 @@
+# app/services/cache.py
+import redis
+from app.config.settings import settings
+
+
+redis_client = None
+
+def init_cache():
+    global redis_client
+    redis_client = redis.Redis(
+        host=settings.redis_host,
+        port=settings.redis_port,
+        db=settings.redis_db,
+        password=settings.redis_password,
+        decode_responses=True
+    )
+
+def set_cache(key, value, expire_seconds=3600):
+    redis_client.set(key, value, ex=expire_seconds)
+
+def get_cache(key):
+    return redis_client.get(key)
+
+def delete_cache(key):
+    redis_client.delete(key)

main.py

@@ -12,6 +12,7 @@
 from app.config.logger import Logger
 from app.config.settings import settings
 from app.api.v1.agents_router import router as agents_router
+from app.services.cache import init_cache
 
 # Setup logging
 Logger.setup_root_logger()
@@ -28,6 +29,11 @@ async def lifespan(app: FastAPI):
     logger.info(f"Environment: {settings.environment}")
     logger.info(f"Model: {settings.google_model_name}")
     logger.info(f"Venue: {settings.conference_venue_name}")
+
+    # Initialize Redis
+    logger.info("Connecting to Redis...")
+    init_cache()
+    logger.info("Redis connected.")
 
     yield