Don't rely exclusively on /etc/timezone

config/custom.go

@@ -3,6 +3,7 @@ package config
 import (
 	"encoding/base64"
 	"net/url"
+	"time"
 )
 
 type JWTSecretKey []byte
@@ -42,3 +43,33 @@ func (i *URL) Set(value string) error {
 	i.URL = u
 	return nil
 }
+
+type Timezone struct {
+	tz *time.Location
+}
+
+func (tz *Timezone) GetLocation() *time.Location {
+	if tz.tz != nil {
+		return tz.tz
+	} else {
+		return time.Local
+	}
+}
+
+func (tz *Timezone) String() string {
+	if tz.tz != nil {
+		return tz.tz.String()
+	} else {
+		return time.Local.String()
+	}
+}
+
+func (tz *Timezone) Set(value string) error {
+	newtz, err := time.LoadLocation(value)
+	if err != nil {
+		return err
+	}
+
+	tz.tz = newtz
+	return nil
+}