Removed dist and added cache to monitor

config/config.go

@@ -3,6 +3,7 @@ package config
 import (
 	"log"
 	"os"
+	"time"
 
 	"github.com/joho/godotenv"
 )
@@ -13,19 +14,37 @@ var (
 	BaseURL string
 
 	AdminPassword string
+
+	MonitorScriptsDir   string
+	MonitorCacheTimeout time.Duration
 )
 
 func loadEnv(key string, defaultValue ...string) string {
-	env := os.Getenv(key)
+	env, present := os.LookupEnv(key)
 
-	if len(defaultValue) > 0 && env == "" {
+	if len(defaultValue) > 0 && !present {
 		env = defaultValue[0]
 	}
 
-	log.Printf("Environment variable %s = %q", key, env)
+	log.Printf("Env variable %s = %q", key, env)
 	return env
 }
 
+func parseEnv[T any](key, defaultValue string, parseFunc func(string) (T, error)) T {
+	env := loadEnv(key, defaultValue)
+
+	v, err := parseFunc(env)
+	if err != nil {
+		v, err = parseFunc(defaultValue)
+		if err != nil {
+			log.Fatalf("Unable to parse default value %q to type %T", defaultValue, v)
+		}
+	}
+
+	log.Printf(`Env variable %s parsed from %q to %T of value %v`, key, env, v, v)
+	return v
+}
+
 func init() {
 	// Setup logger
 	log.SetFlags(log.Lshortfile | log.Ltime | log.Ldate)
@@ -33,9 +52,12 @@ func init() {
 	// Load Config
 	godotenv.Load()
 
-	Mode = loadEnv(os.Getenv("MODE"), "development")
-	Host = loadEnv(os.Getenv("HOST"), ":4000")
-	BaseURL = loadEnv(os.Getenv("HOST"), "http://localhost:4000")
+	Mode = loadEnv("MODE", "development")
+	Host = loadEnv("HOST", ":4000")
+	BaseURL = loadEnv("HOST", "http://localhost:4000")
 
-	AdminPassword = loadEnv(os.Getenv("ADMIN_PASSWORD"), "secret")
+	AdminPassword = loadEnv("ADMIN_PASSWORD", "secret")
+
+	MonitorScriptsDir = loadEnv("MONITOR_SCRIPTS_DIR", "./scripts")
+	MonitorCacheTimeout = parseEnv("MONITOR_CACHE_TIMEOUT", "5s", time.ParseDuration)
 }