Create Dockerfile

Dockerfile

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+FROM ubuntu:22.04
+
+# Avoid interactive prompts
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install essentials
+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 \
+    && 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 \
+    && dpkg -i packages-microsoft-prod.deb \
+    && rm packages-microsoft-prod.deb \
+    && apt-get update && apt-get install -y dotnet-sdk-8.0
+
+# Install code-server
+RUN curl -fsSL https://code-server.dev/install.sh | sh
+
+# Create a 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
+
+# Copy Python code
+COPY backup.py /backup.py
+COPY restore.py /restore.py
+
+# Make sure it has read access
+RUN chmod -R 777 /backup.py && chmod -R 777 /restore.py
+
+ENTRYPOINT ["/entrypoint.sh"]