update dockerfile for llama cpp python build

Dockerfile

@@ -1,10 +1,11 @@
-# Use Ubuntu 22.04 as a public base image to avoid GHCR permissions
+# Use Ubuntu 22.04 as a public base image
 FROM ubuntu:22.04
 
 # Disable interactive prompts and preconfigure timezone
 ENV DEBIAN_FRONTEND=noninteractive
 ENV TZ=Etc/UTC
 
+# Use bash with strict modes for debugging
 SHELL ["/bin/bash", "-euxo", "pipefail", "-c"]
 
 # Preseed tzdata to avoid interactive prompt
@@ -12,7 +13,7 @@ RUN echo "tzdata tzdata/Areas select Etc" > /tmp/tzdata.seed && \
     echo "tzdata tzdata/Zones/Etc select UTC" >> /tmp/tzdata.seed && \
     debconf-set-selections /tmp/tzdata.seed
 
-# 1. Install OS-level dependencies
+# 1. Install OS-level dependencies, including pkg-config and git
 RUN echo "### STEP 1: Installing OS-level dependencies" && \
     apt-get update && \
     apt-get install -y --no-install-recommends \
@@ -20,6 +21,8 @@ RUN echo "### STEP 1: Installing OS-level dependencies" && \
         build-essential \
         cmake \
         libopenblas-dev \
+        pkg-config \
+        git \
         python3 \
         python3-pip \
         python3-opencv && \
@@ -29,7 +32,6 @@ RUN echo "### STEP 1: Installing OS-level dependencies" && \
 RUN echo "### STEP 2: Preparing application directory"
 WORKDIR /app
 COPY requirements.txt ./
-COPY packages.txt ./
 COPY app.py ./
 # COPY any other source files or directories as needed