Refactor Dockerfile to streamline Node.js and Python installation process

Dockerfile

@@ -1,23 +1,28 @@
 FROM ubuntu:24.04
+
 LABEL maintainer="thommyho"
 LABEL description="An Ubuntu 24.04 image with essential tools for git development and CI/CD pipelines."
-RUN apt-get update && apt-get install -y \
+
+ENV NVM_DIR=/usr/local/nvm \
+    NODE_VERSION=24.11.1 \
+    NODE_PATH=/usr/local/nvm/v24.11.1/lib/node_modules \
+    PATH=/usr/local/nvm/versions/node/v24.11.1/bin:$PATH
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
     git \
     curl \
     wget \
     build-essential \
     ca-certificates \
+    python3 \
+    python3-pip \
     && rm -rf /var/lib/apt/lists/*
-# nvm environment variables
-RUN mkdir -p /usr/local/nvm
-ENV NVM_DIR=/usr/local/nvm
-ENV NODE_VERSION=24.11.1
-RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash
-RUN . $NVM_DIR/nvm.sh && \
+
+RUN pip install conan --break-system-packages
+
+RUN mkdir -p $NVM_DIR && \
+    curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.3/install.sh | bash && \
+    . $NVM_DIR/nvm.sh && \
     nvm install $NODE_VERSION && \
     nvm use $NODE_VERSION && \
-    nvm alias default $NODE_VERSION
-# add node and npm to path so the commands are available
-ENV NODE_PATH $NVM_DIR/v$NODE_VERSION/lib/node_modules
-ENV PATH $NVM_DIR/versions/node/v$NODE_VERSION/bin:$PATH
-# RUN node -v && npm -v
+    nvm alias default $NODE_VERSION