arguments, fixes, dockerfile, ci

Dockerfile

@@ -0,0 +1,45 @@
+# Build stage
+FROM node:23-alpine AS builder
+
+# Set working directory for the build stage
+WORKDIR /build
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy application files
+COPY . .
+
+# Runtime stage
+FROM node:23-alpine AS runtime
+
+# Create a non-root user
+RUN addgroup -S appgroup && adduser -S appuser -G appgroup
+
+# Set working directory for the application
+WORKDIR /home/appuser/app
+
+# Copy only the necessary files from the builder stage
+COPY --from=builder --chown=appuser:appgroup /build/package*.json ./
+COPY --from=builder --chown=appuser:appgroup /build/main.js ./
+COPY --from=builder --chown=appuser:appgroup /build/util.js ./
+COPY --from=builder --chown=appuser:appgroup /build/worker.js ./
+COPY --from=builder --chown=appuser:appgroup /build/node_modules ./node_modules
+
+# Create logs directory with correct permissions
+RUN mkdir -p logs && chown -R appuser:appgroup logs
+
+# Expose logs directory as a volume
+VOLUME ["/home/appuser/app/logs"]
+
+# Use an environment variable for thread count (default to 0 to use auto)
+ENV THREAD_COUNT=0
+
+# Switch to non-root user
+USER appuser
+
+# Run the application - using JSON array format
+CMD ["sh", "-c", "node main.js ${THREAD_COUNT}"]