fix dockerfile

Dockerfile

@@ -57,9 +57,9 @@ ENV HOME=/home/user \
 EXPOSE 7860
 
 # Start llama-server with HuggingFace model
-# Using TheBloke's DeepSeek Coder GGUF model
+# Using DeepSeek LLM 7B Chat - general purpose model
 CMD ["llama-server", \
-     "-hf", "TheBloke/deepseek-coder-6.7B-instruct-GGUF:deepseek-coder-6.7b-instruct.Q4_K_M.gguf", \
+     "-hf", "TheBloke/deepseek-llm-7B-chat-GGUF:deepseek-llm-7b-chat.Q4_K_M.gguf", \
      "--host", "0.0.0.0", \
      "--port", "7860", \
      "-c", "2048", \