Create app.py

app.py

@@ -0,0 +1,41 @@
+from fastapi import FastAPI
+from pydantic import BaseModel
+import os
+from groq import Groq
+
+app = FastAPI(title="Simple AI Chat")
+
+# Initialize Groq client
+client = Groq(api_key=os.environ.get("GROQ_API_KEY"))
+
+class ChatRequest(BaseModel):
+    message: str
+
+class ChatResponse(BaseModel):
+    response: str
+
+@app.get("/")
+def home():
+    return {"message": "AI Chat API is running"}
+
+@app.post("/chat")
+def chat(request: ChatRequest):
+    try:
+        if not client.api_key:
+            return ChatResponse(response="❌ GROQ_API_KEY not configured")
+        
+        completion = client.chat.completions.create(
+            model="llama-3.1-8b-instant",
+            messages=[
+                {"role": "system", "content": "You are a helpful AI assistant."},
+                {"role": "user", "content": request.message}
+            ],
+            temperature=0.7,
+            max_tokens=1024
+        )
+        
+        response = completion.choices[0].message.content
+        return ChatResponse(response=response)
+    
+    except Exception as e:
+        return ChatResponse(response=f"Error: {str(e)}")