Use pre-built Docker image from Docker Hub

- Updated Dockerfile to use techdaskalos/cybersecchatbot:latest
- Removed install_llama.py and start.sh (no longer needed)
- Updated requirements.txt to use llama_cpp_python without version pin
- Simplified deployment using pre-built AMD64 image

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Dockerfile

@@ -10,4 +10,4 @@ ENV USE_RAG=true
 ENV CACHE_ENABLED=true
 
 EXPOSE 8000
-CMD ["bash", "start.sh"]
+CMD ["python", "main.py"]

install_llama.py

@@ -1,59 +0,0 @@
-#!/usr/bin/env python3
-"""
-Install llama-cpp-python at startup to avoid Docker build timeout.
-This script runs before the main application starts.
-"""
-import subprocess
-import sys
-import os
-import time
-
-def install_llama_cpp():
-    """Install llama-cpp-python to /tmp directory"""
-    print("=" * 60)
-    print("🔧 Installing llama-cpp-python at startup...")
-    print("=" * 60)
-
-    # Set installation directory to /tmp (always writable)
-    install_dir = "/tmp/llama_cpp_install"
-    os.makedirs(install_dir, exist_ok=True)
-
-    # Set environment variables
-    env = os.environ.copy()
-    env['PYTHONUSERBASE'] = install_dir
-    env['CMAKE_ARGS'] = '-DLLAMA_BLAS=OFF -DLLAMA_CUBLAS=OFF -DLLAMA_METAL=OFF'
-
-    start_time = time.time()
-
-    try:
-        # Install to custom location
-        result = subprocess.run(
-            [sys.executable, "-m", "pip", "install",
-             "--target", install_dir,
-             "--no-cache-dir",
-             "llama-cpp-python==0.3.14"],
-            env=env,
-            capture_output=False,
-            text=True,
-            check=True
-        )
-
-        elapsed = time.time() - start_time
-        print(f"\n✅ llama-cpp-python installed successfully in {elapsed:.1f}s")
-
-        # Add to Python path
-        if install_dir not in sys.path:
-            sys.path.insert(0, install_dir)
-
-        print(f"📦 Installation directory: {install_dir}")
-        return True
-
-    except subprocess.CalledProcessError as e:
-        elapsed = time.time() - start_time
-        print(f"\n❌ Installation failed after {elapsed:.1f}s")
-        print(f"Error: {e}")
-        return False
-
-if __name__ == "__main__":
-    success = install_llama_cpp()
-    sys.exit(0 if success else 1)

requirements.txt

@@ -37,7 +37,7 @@ joblib==1.5.1
 jsonschema==4.25.0
 jsonschema-specifications==2025.4.1
 kubernetes==33.1.0
-# llama_cpp_python is installed separately with pre-built wheels in Dockerfile
+llama_cpp_python
 markdown-it-py==3.0.0
 MarkupSafe==3.0.2
 mdurl==0.1.2

start.sh

@@ -1,14 +0,0 @@
-#!/bin/bash
-set -e
-
-echo "🚀 Starting Cybersecurity Chatbot..."
-
-# Install llama-cpp-python at startup
-python3 install_llama.py
-
-# Add installation directory to PYTHONPATH
-export PYTHONPATH="/tmp/llama_cpp_install:$PYTHONPATH"
-
-# Start the application
-echo "▶️  Launching FastAPI application..."
-python3 main.py