Create Dockerfile

Dockerfile

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+# Base image: Ubuntu
+FROM ubuntu:22.04
+
+# Set timezone and avoid interaction
+ENV DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get install -y \
+    sudo \
+    curl \
+    git \
+    python3 \
+    python3-pip \
+    vim \
+    net-tools \
+    iputils-ping \
+    && rm -rf /var/lib/apt/lists/*
+
+# Add a new user "likhon" with sudo privileges
+RUN useradd -m likhon && echo "likhon:rootpassword" | chpasswd && adduser likhon sudo
+
+# Switch to non-root user (optional for security)
+USER likhon
+WORKDIR /home/likhon
+
+# Copy app code (if any)
+COPY . /home/likhon/app
+
+# Default command (sandbox terminal or server)
+CMD ["bash"]