Update Dockerfile

Dockerfile

@@ -1,14 +1,34 @@
-FROM python:3.12-slim
+FROM ubuntu:22.04
 
-# System deps
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Core tools
 RUN apt-get update && apt-get install -y \
-    curl wget git unzip sudo nano bash build-essential g++ \
-    nodejs npm openjdk-17-jdk \
-    apt-transport-https software-properties-common ca-certificates \
+    curl wget git unzip sudo nano bash \
+    software-properties-common ca-certificates gnupg \
+    build-essential g++ \
     && rm -rf /var/lib/apt/lists/*
 
-# Install dotnet (C# SDK)
-RUN wget https://packages.microsoft.com/config/debian/12/packages-microsoft-prod.deb -O packages-microsoft-prod.deb \
+# Add deadsnakes PPA for Python 3.12
+RUN add-apt-repository ppa:deadsnakes/ppa -y && apt-get update
+
+# Install Python 3.12 and pip
+RUN apt-get install -y python3.12 python3.12-venv python3.12-dev \
+    && curl -sS https://bootstrap.pypa.io/get-pip.py | python3.12
+
+# Make python3 point to python3.12
+RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.12 1 \
+    && update-alternatives --install /usr/bin/pip pip /usr/local/bin/pip3.12 1
+
+# Install Node.js + npm (from NodeSource)
+RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
+    && apt-get install -y nodejs
+
+# Install Java (OpenJDK 17)
+RUN apt-get install -y openjdk-17-jdk
+
+# Install .NET SDK (C#)
+RUN wget https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb \
     && dpkg -i packages-microsoft-prod.deb \
     && rm packages-microsoft-prod.deb \
     && apt-get update && apt-get install -y dotnet-sdk-8.0
@@ -16,20 +36,16 @@ RUN wget https://packages.microsoft.com/config/debian/12/packages-microsoft-prod
 # Install code-server
 RUN curl -fsSL https://code-server.dev/install.sh | sh
 
-# Add user
+# Create user
 RUN useradd -ms /bin/bash vscode
 USER vscode
 WORKDIR /home/vscode
 
-# Copy entrypoint
+# Copy entrypoint + backup/restore
 COPY entrypoint.sh /entrypoint.sh
-RUN chmod -x entrypoint.sh
-
-# Copy Python code
 COPY backup.py /backup.py
 COPY restore.py /restore.py
+RUN chmod +x /entrypoint.sh
 
-# Make sure it has read access
-RUN chmod -R 777 /backup.py && chmod -R 777 /restore.py
-
+EXPOSE 7860
 ENTRYPOINT ["/entrypoint.sh"]