Add MAIL_SUBJECT_PREFIX env variable

.env.example

@@ -11,3 +11,4 @@ MAIL_FROM_NAME="Getränkekasse"
 MAIL_TLS=true
 MAIL_AUTH_METHOD="plain"
 MAIL_REPLY_TO="getraenke@domain.tld" # optional, sets the reply-to header, useful if you don't read the mailbox of MAIL_USER
+MAIL_SUBJECT_PREFIX="[Getränkekasse] "

docker-compose.yml.example

@@ -38,6 +38,7 @@ services:
       MAIL_TLS: ${MAIL_TLS}
       MAIL_AUTH_METHOD: ${MAIL_AUTH_METHOD}
       MAIL_REPLY_TO: ${MAIL_REPLY_TO}
+      MAIL_SUBJECT_PREFIX: ${MAIL_SUBJECT_PREFIX}
     volumes:
       - ./article-images:/app/article-images
 

src/lib/server/mail.js

@@ -21,8 +21,9 @@ const transporter = nodemailer.createTransport({
  */
 export async function sendMail({to, subject, text, html=false}) {
 	const content = html ? {html: text} : {text};
+	const subjectPrefix = process.env.MAIL_SUBJECT_PREFIX ?? "";
 	return transporter.sendMail({
-		subject,
+		subject: subjectPrefix + subject,
 		to,
 		from: {
 			address: process.env.MAIL_FROM_ADDRESS,