Use Ubuntu base image #1

Dockerfile

@@ -1,11 +1,13 @@
-# Use an official Python runtime as a parent image
-FROM python:3.12-slim
+# Use Ubuntu 22.04 LTS as the base image
+FROM ubuntu:22.04
 
 # Set the working directory in the container
 WORKDIR /app
 
-# Install required build tools (including a C++ compiler) and dependencies
+# Install Python 3.12, build tools, and required dependencies
 RUN apt-get update && apt-get install -y \
+    python3.12 \
+    python3.12-venv \
     build-essential \
     cmake \
     g++ \
@@ -18,7 +20,7 @@ RUN apt-get update && apt-get install -y \
 COPY . /app
 
 # Create the ots virtual environment using Python's built-in venv tool
-RUN python -m venv /app/ots
+RUN python3.12 -m venv /app/ots
 
 # Copy the requirements.txt file
 COPY requirements.txt /app/requirements.txt