Create app.py

app.py

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+import gradio as gr
+from groq import Groq
+import os
+
+# ✅ Get API key from environment variable
+# (You will set it in Hugging Face “Secrets” panel, not in code)
+api_key = os.getenv("GROQ_API_KEY")
+
+if not api_key:
+    raise ValueError("⚠️ Please set your GROQ_API_KEY in the Hugging Face Space secrets.")
+
+# ✅ Initialize Groq client
+client = Groq(api_key=api_key)
+
+# ✅ Chat function
+def chat_with_groq(message, history):
+    # Build chat history
+    messages = [{"role": "system", "content": "You are a helpful AI assistant."}]
+    for user, bot in history:
+        messages.append({"role": "user", "content": user})
+        messages.append({"role": "assistant", "content": bot})
+    messages.append({"role": "user", "content": message})
+
+    # Call Groq API
+    completion = client.chat.completions.create(
+        model="mixtral-8x7b",  # You can change to "llama3-8b" etc.
+        messages=messages,
+        temperature=0.7,
+    )
+
+    return completion.choices[0].message.content
+
+# ✅ Build Gradio UI
+chatbot = gr.ChatInterface(
+    fn=chat_with_groq,
+    title="💬 Groq Chatbot",
+    description="A simple chatbot powered by Groq API and Gradio, deployed on Hugging Face Spaces.",
+    theme="soft"
+)
+
+# ✅ Launch app
+if __name__ == "__main__":
+    chatbot.launch()