Update Dockerfile

Dockerfile

@@ -2,13 +2,8 @@ FROM node:18-slim
 
 WORKDIR /usr/src/app
 
-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 /usr/local/bin/stockfish && \
-    chmod +x /usr/local/bin/stockfish && \
-    rm stockfish.tar && \
-    apt-get purge -y --auto-remove wget && \
+RUN apt-get update && \
+    apt-get install -y stockfish --no-install-recommends && \
     rm -rf /var/lib/apt/lists/*
 
 RUN npm install express chess.js