Remove confusion between application module and fastAPI app (#26)

Before there was a name clash between the top level module and the name
of the fastAPI app

Author: pcmoritz

app/serve.py

@@ -31,7 +31,7 @@ def get_secret(secret_name):
             "and you need to set RAY_ASSISTANT_AWS_SECRET_ID")
 
 
-app = FastAPI()
+application = FastAPI()
 
 
 @ray.remote
@@ -65,7 +65,7 @@ class Answer(BaseModel):
 
 
 @serve.deployment()
-@serve.ingress(app)
+@serve.ingress(application)
 class RayAssistantDeployment:
     def __init__(self):
         app.config.DB_CONNECTION_STRING = get_secret("DB_CONNECTION_STRING")
@@ -77,7 +77,7 @@ def __init__(self):
         # Run the Slack app in the background
         self.runner = self.app.run.remote()
 
-    @app.post("/query")
+    @application.post("/query")
     def query(self, query: Query) -> Answer:
         result = self.agent.get_response(query.query)
         return Answer.parse_obj(result)

app/service.yaml

@@ -3,7 +3,7 @@ cluster_env: ray-assistant:2
 ray_serve_config:
   import_path: app.serve:deployment
   runtime_env:
-    working_dir: "https://github.com/ray-project/llm-applications/archive/refs/tags/v0.0.4.zip"
+    working_dir: "https://github.com/ray-project/llm-applications/archive/refs/tags/v0.0.5.zip"
     env_vars: {
       RAY_ASSISTANT_AWS_SECRET_ID: "ray-assistant",
       RAY_ASSISTANT_AWS_REGION: "us-west-2"