Dockerfile

FROM ubuntu:22.04

# Install prerequisites
RUN apt-get update -qq && \
    apt-get install -y git curl unzip wget gnupg build-essential && \
    rm -rf /var/lib/apt/lists/*

# Install Node.js 18
RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
    apt-get install -y nodejs

# Create user
RUN useradd -m -u 1000 user
USER user

# Set working directory to the user's home
WORKDIR /home/user

# Clone Pokémon Showdown
RUN git clone https://github.com/smogon/pokemon-showdown.git

# Change to the cloned directory and install deps
WORKDIR /home/user/pokemon-showdown
RUN npm install --production

# Expose default Showdown port
EXPOSE 8000

# Run the server
CMD ["node", "pokemon-showdown"]