updated Dockerfile to use ubuntu as a base docker image instead of py…

…thon3.9-slim

Dockerfile

@@ -1,22 +1,23 @@
 # Stage 1: Build documentation using Sphinx
-FROM python:3.9-slim AS sphinx-build
+FROM ubuntu:22.04 AS sphinx-build
 
 # Set working directory
 WORKDIR /docs
 
-# Copy requirements.txt and install dependencies
-COPY requirements.txt .
-
-# Install pip dependencies
-RUN pip install -r requirements.txt
-
-# Install any additional system dependencies
+# Install necessary dependencies
 RUN apt-get update && apt-get install -y \
+    python3-pip \
+    make \
     parallel \
     libwebp7 \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
+# Copy requirements.txt and install pip dependencies
+COPY requirements.txt .
+
+RUN pip3 install -r requirements.txt
+
 # Copy the rest of the documentation files
 COPY . .
 
@@ -29,8 +30,8 @@ FROM nginx:alpine
 # Copy built HTML documentation from the previous stage
 COPY --from=sphinx-build /docs/build/html /usr/share/nginx/html
 
-# Expose port 8080 for serving
-EXPOSE 8080
+# Expose port 80 for serving
+EXPOSE 80
 
 # Start Nginx
 CMD ["nginx", "-g", "daemon off;"]