Create Dockerfile

Dockerfile

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+# Base image (e.g., Ubuntu)
+FROM ubuntu:latest
+
+# Install basic tools (optional)
+RUN apt-get update && apt-get install -y \
+    sudo \
+    bash \
+    curl \
+    git
+
+# Add a non-root user (optional but recommended)
+RUN useradd -m user && echo "user:user" | chpasswd && adduser user sudo
+USER user
+WORKDIR /home/user
+
+# Start a shell session
+CMD ["/bin/bash"]