Create Dockerfile

Dockerfile

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+# Base image: Node 16 (LTS)
+FROM node:16
+
+# Create an app directory inside the container
+WORKDIR /app
+
+# (Option A) Clone the official Pokémon Showdown repo
+# RUN git clone https://github.com/smogon/pokemon-showdown.git .
+
+# (Option B) If you have a custom fork, clone it
+RUN git clone https://github.com/smogon/pokemon-showdown.git . 
+
+# Copy config-example.js -> config.js so we have a default config
+RUN cp config/config-example.js config/config.js
+
+# Install dependencies
+RUN npm install --legacy-peer-deps
+
+# Some optional housekeeping: remove unnecessary dev deps, etc.
+# Not strictly required. But if you do have devDependencies, you can prune them:
+# RUN npm prune --production
+
+# Expose the correct port (Hugging Face Spaces dynamically sets the environment variable PORT)
+EXPOSE 7860
+
+# Start the server
+# We need to pass the environment variable $PORT to Pokémon Showdown; the easiest is
+# to do this with a small shell invocation so $PORT is expanded.
+CMD ["bash", "-c", "node pokemon-showdown $PORT"]