Create Dockerfile

Dockerfile

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+# Use Alpine Linux (Only 5MB base size)
+FROM alpine:latest
+
+# Install dependencies
+# qemu-system-i386: The emulator
+# python3 & py3-numpy: Required for the web bridge
+# bash: To run our script
+# wget & unzip: To download files
+RUN apk add --no-cache \
+    qemu-system-i386 \
+    qemu-ui-gtk \
+    python3 \
+    py3-numpy \
+    bash \
+    wget \
+    unzip
+
+# Set working directory
+WORKDIR /app
+
+# Create a user (Hugging Face security requirement)
+# Alpine uses 'adduser' instead of 'useradd'
+RUN adduser -D -u 1000 user
+RUN chown -R user:user /app
+
+# Switch to user
+USER user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+# Copy the start script
+COPY --chown=user:user start.sh /app/start.sh
+RUN chmod +x /app/start.sh
+
+# Expose the specific port
+EXPOSE 7860
+
+# Run
+CMD ["/app/start.sh"]