Create Dockerfile

Dockerfile

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+FROM node:18-slim
+
+WORKDIR /usr/src/app
+
+COPY package*.json ./
+
+RUN npm install --production
+
+RUN apt-get update && apt-get install -y wget && \
+    wget -O stockfish.tar "https://github.com/official-stockfish/Stockfish/releases/download/sf_16.1/stockfish-ubuntu-x86-64-avx2.tar" && \
+    tar -xvf stockfish.tar && \
+    mv stockfish-ubuntu-x86-64-avx2/stockfish ./stockfish && \
+    rm stockfish.tar && \
+    rm -r stockfish-ubuntu-x86-64-avx2 && \
+    chmod +x ./stockfish && \
+    apt-get purge -y --auto-remove wget && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY . .
+
+EXPOSE 7860
+
+CMD ["node", "index.js"]