fix: patch version 2.1

backend/Makefile

@@ -0,0 +1,29 @@
+.PHONY: build run clean fmt install
+
+# Build the Go application
+build:
+	GOOS=linux \
+	GOARCH=amd64 \
+	CGO_ENABLED=1 \
+	CC=x86_64-unknown-linux-gnu-gcc \
+	CGO_CFLAGS="-D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE" \
+	go build -ldflags="-s -w" -o bin/reduce .
+
+# Run the application
+run:
+	go run .
+
+# Clean build artifacts
+clean:
+	rm -rf bin/
+
+# Format code
+fmt:
+	go fmt ./...
+
+# Install dependencies
+install:
+	go mod tidy
+
+# Default target
+all: clean install build