Faas semi worfking

faas/examples/hello-world/main.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+)
+
+func main() {
+	// Read input from environment variable
+	input := os.Getenv("FUNCTION_INPUT")
+	if input == "" {
+		input = "{}"
+	}
+
+	// Parse input
+	var inputData map[string]interface{}
+	if err := json.Unmarshal([]byte(input), &inputData); err != nil {
+		fmt.Printf("Error parsing input: %v\n", err)
+		os.Exit(1)
+	}
+
+	// Process the input and generate output
+	name, ok := inputData["name"].(string)
+	if !ok {
+		name = "World"
+	}
+
+	message := fmt.Sprintf("Hello, %s!", name)
+
+	// Output result as JSON
+	result := map[string]interface{}{
+		"message": message,
+		"input":   inputData,
+	}
+
+	output, err := json.Marshal(result)
+	if err != nil {
+		fmt.Printf("Error marshaling output: %v\n", err)
+		os.Exit(1)
+	}
+
+	fmt.Println(string(output))
+}