From 0c1218b3eb7de712542d962d5932ca35f17202fa Mon Sep 17 00:00:00 2001
From: Umputun <umputun@gmail.com>
Date: Wed, 19 May 2021 13:39:49 -0500
Subject: [PATCH] strip fqdn spaces

---
 app/main.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/app/main.go b/app/main.go
index 13a9d89..d7f1b12 100644
--- a/app/main.go
+++ b/app/main.go
@@ -325,7 +325,7 @@ func makeSSLConfig() (config proxy.SSLConfig, err error) {
 		config.SSLMode = proxy.SSLAuto
 		config.ACMELocation = opts.SSL.ACMELocation
 		config.ACMEEmail = opts.SSL.ACMEEmail
-		config.FQDNs = opts.SSL.FQDNs
+		config.FQDNs = fqdns(opts.SSL.FQDNs)
 		config.RedirHTTPPort = redirHTTPPort(opts.SSL.RedirHTTPPort)
 	}
 	return config, err
@@ -401,6 +401,14 @@ func redirHTTPPort(port int) int {
 	return 80
 }
 
+// fqdns cleans space suffixes and prefixes which can sneak in from docker compose
+func fqdns(inp []string) (res []string) {
+	for _, v := range inp {
+		res = append(res, strings.TrimSpace(v))
+	}
+	return res
+}
+
 func sizeParse(inp string) (uint64, error) {
 	if inp == "" {
 		return 0, errors.New("empty value")