FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive

# 🔧 Fix sources + update
RUN apt-get update && apt-get upgrade -y

# 📦 Install base packages (safe list)
RUN apt-get install -y \
    curl \
    wget \
    git \
    sudo \
    nano \
    ca-certificates \
    python3 \
    python3-pip \
    ttyd \
    docker.io \
    && rm -rf /var/lib/apt/lists/*

# 👤 Create user
RUN useradd -m user && echo "user ALL=(ALL) NOPASSWD:ALL" >> /etc/sudoers

USER user
WORKDIR /home/user

# 🌐 Expose port
EXPOSE 7860

# 🚀 Start web shell
CMD ttyd -p 7860 bash