basic proxy ip detection test tool

Dockerfile

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+# Use the official Bun image as base - much smaller than Node.js
+FROM oven/bun:1-slim as base
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files
+COPY package.json bun.lockb* ./
+
+# Install dependencies
+RUN bun install --frozen-lockfile --production
+
+# Copy source code
+COPY src/ ./src/
+
+# Expose the port
+EXPOSE 9999
+
+# Create non-root user for security
+RUN addgroup --system --gid 1001 bunuser && \
+    adduser --system --uid 1001 bunuser
+
+# Change ownership of the app directory
+RUN chown -R bunuser:bunuser /app
+USER bunuser
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+    CMD bun --version || exit 1
+
+# Start the application
+CMD ["bun", "run", "start"]