Update Dockerfile

Dockerfile

@@ -1,22 +1,14 @@
-FROM ubuntu:22.04
+FROM python:3.12-slim
 
-# Avoid interactive prompts
-ENV DEBIAN_FRONTEND=noninteractive
-
-# Install essentials
+# System deps
 RUN apt-get update && apt-get install -y \
-    curl wget git unzip sudo nano bash \
-    build-essential g++ \
-    python3.12 python3.12-venv python3.12-dev python3-pip \
-    nodejs npm \
-    openjdk-17-jdk \
-    apt-transport-https \
-    software-properties-common \
-    ca-certificates \
+    curl wget git unzip sudo nano bash build-essential g++ \
+    nodejs npm openjdk-17-jdk \
+    apt-transport-https software-properties-common ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
-# Install C# (dotnet SDK latest)
-RUN wget https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb -O packages-microsoft-prod.deb \
+# Install dotnet (C# SDK)
+RUN wget https://packages.microsoft.com/config/debian/12/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
@@ -24,14 +16,11 @@ RUN wget https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-p
 # Install code-server
 RUN curl -fsSL https://code-server.dev/install.sh | sh
 
-# Create a user
+# Add user
 RUN useradd -ms /bin/bash vscode
 USER vscode
 WORKDIR /home/vscode
 
-# Expose code-server on 7860
-EXPOSE 7860
-
 # Copy entrypoint
 COPY entrypoint.sh /entrypoint.sh
 RUN chmod -x entrypoint.sh