Update Dockerfile

Dockerfile

@@ -1,9 +1,6 @@
 # Download base image ubuntu 22.04 (latest LTS as of 2024)
 FROM ubuntu:22.04
 
-# Set environment variable to disable interactive prompts
-ENV DEBIAN_FRONTEND=noninteractive
-
 # Set environment variables
 ENV NB_USER jovyan
 ENV NB_UID 1000
@@ -13,6 +10,9 @@ ENV JAVA_HOME /usr/lib/jvm/java-17-openjdk-amd64/
 # Set environment variable to disable interactive prompts
 ENV DEBIAN_FRONTEND=noninteractive
 
+# Create a new user named "jovyan" with user ID 1000
+RUN useradd -m -u ${NB_UID} ${NB_USER}
+
 # Install required packages and set up timezone
 RUN apt-get update && apt-get install -y \
     tzdata \
@@ -38,21 +38,17 @@ RUN apt-get update && apt-get install -y \
     && apt-get clean \
     && update-ca-certificates -f
 
-# Set timezone to a specific value (e.g., UTC)
+# Set timezone to UTC
 RUN ln -fs /usr/share/zoneinfo/UTC /etc/localtime && dpkg-reconfigure --frontend noninteractive tzdata
 
-# Fix permissions on the .local directory to ensure pip can write
+# Fix permissions for jovyan's .local directory
 RUN mkdir -p /home/${NB_USER}/.local && chown -R ${NB_USER}:${NB_USER} /home/${NB_USER}/.local
 
-# Install Python 3.11 and upgrade pip
-RUN python3.11 -m pip install --upgrade pip
-
-# Set up JAVA_HOME
-RUN echo "export JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64/" >> /etc/profile \
-    && echo "export PATH=\$JAVA_HOME/bin:\$PATH" >> /etc/profile
-
-# Create a new user named "jovyan" with user ID 1000
-RUN useradd -m -u ${NB_UID} ${NB_USER}
+# Install Python 3.11 and pip (latest stable Python as of 2024)
+RUN add-apt-repository ppa:deadsnakes/ppa \
+    && apt-get update \
+    && apt-get install -y python3.11 python3.11-dev python3-pip \
+    && apt-get clean
 
 # Switch to the "jovyan" user
 USER ${NB_USER}
@@ -61,13 +57,6 @@ USER ${NB_USER}
 ENV HOME=/home/${NB_USER} \
     PATH=/home/${NB_USER}/.local/bin:$PATH
 
-# Set up PySpark to use Python 3.11 for both driver and workers
-ENV PYSPARK_PYTHON=/usr/bin/python3.11
-ENV PYSPARK_DRIVER_PYTHON=/usr/bin/python3.11
-
-# Set the working directory to the user's home directory
-WORKDIR ${HOME}
-
 # Upgrade pip and install Python dependencies
 RUN python3.11 -m pip install --upgrade pip
 COPY requirements.txt /tmp/requirements.txt
@@ -80,4 +69,4 @@ COPY --chown=${NB_USER}:${NB_USER} . ${HOME}
 EXPOSE 7860
 
 # Define the entry point for the container
-ENTRYPOINT ["streamlit", "run", "Demo.py", "--server.port=7860", "--server.address=0.0.0.0"]
+ENTRYPOINT ["streamlit", "run", "Demo.py", "--server.port=7860", "--server.address=0.0.0.0"]