Update Dockerfile

Dockerfile

@@ -4,25 +4,31 @@ FROM ubuntu:latest
 # Set environment variables
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Install necessary packages
-RUN apt-get update && \
-    apt-get install -y curl sudo
-# Set environment variables
-ENV DEBIAN_FRONTEND=noninteractive
-
 # Install necessary packages
 RUN apt-get update && \
     apt-get install -y \
     curl \
     sudo \
     build-essential \
-    python3 \
+    software-properties-common
+
+# Add deadsnakes PPA to install Python 3.9
+RUN add-apt-repository ppa:deadsnakes/ppa && \
+    apt-get update && \
+    apt-get install -y \
+    python3.9 \
+    python3.9-venv \
+    python3.9-dev \
     python3-pip \
     default-jdk \
     default-jre \
     g++ \
     gcc
 
+# Update alternatives to use python3.9 as default
+RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.9 1 && \
+    update-alternatives --install /usr/bin/python python /usr/bin/python3.9 1
+
 # Install code-server
 RUN curl -fsSL https://code-server.dev/install.sh | sh
 
@@ -37,6 +43,6 @@ USER coder
 EXPOSE 8080
 
 # Start code-server
-CMD ["code-server", "--bind-addr", "0.0.0.0:7860", "--auth", "none"]
+CMD ["code-server", "--bind-addr", "0.0.0.0:8080", "--auth", "none"]
 
 # End of Dockerfile