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