csv delimiter is now ; and dockerfile was added

Dockerfile

@@ -0,0 +1,41 @@
+# Build stage
+FROM golang:1.24-alpine AS builder
+
+# Set working directory
+WORKDIR /app
+
+# Copy go mod files first for better caching
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+# Static binary without CGO
+RUN CGO_ENABLED=0 GOOS=linux go build -a -ldflags '-w -s' -o meshi .
+
+# Runtime stage
+FROM alpine:latest AS runtime
+
+# Create non-root user for security
+RUN addgroup -g 1000 -S appgroup && \
+    adduser -u 1000 -S appuser -G appgroup
+
+# Set working directory
+WORKDIR /app
+
+# Copy binary from builder stage
+COPY --from=builder /app/meshi .
+
+# Create data directory and set permissions
+RUN mkdir -p /app/data && \
+    chown -R appuser:appgroup /app
+
+# Switch to non-root user
+USER appuser
+
+# Run the application
+CMD ["./meshi"]