Initial commit

env.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"os"
+	"strconv"
+	"strings"
+)
+
+// GetEnvFloat retrieves a float64 from env or returns fallback
+func GetEnvFloat(key string, fallback float64) float64 {
+	val, ok := os.LookupEnv(key)
+	if !ok {
+		return fallback
+	}
+	if v, err := strconv.ParseFloat(val, 64); err == nil {
+		return v
+	}
+	return fallback
+}
+
+// GetEnvInt retrieves an int from env or returns fallback
+func GetEnvInt(key string, fallback int) int {
+	val, ok := os.LookupEnv(key)
+	if !ok {
+		return fallback
+	}
+	if v, err := strconv.Atoi(val); err == nil {
+		return v
+	}
+	return fallback
+}
+
+func GetEnvList(key string, fallback []string) []string {
+	val, ok := os.LookupEnv(key)
+	if !ok {
+		return fallback
+	}
+	return strings.Split(val, ",")
+}