From 4a6b75d8f368955067afab12c231c0faaa1ecbf2 Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Sun, 15 Dec 2019 01:00:03 +0100
Subject: [PATCH] Don't overwrite external index.html

---
 entrypoint.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/entrypoint.sh b/entrypoint.sh
index a385fd6..3916fab 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -61,14 +61,16 @@ EOF
 # create empty file - can be overriden by others
 touch /etc/nginx/https.conf
 
-cat > "${wwwroot}/index.html" <<EOF
+# Do not overwrite if external volume is used!
+if [ ! -e ${wwwroot}/index.html ]; then
+    cat > "${wwwroot}/index.html" <<EOF
 Welcome to ${dnsname} running with IPv6+LetsEncrypt.
 
 Find more about fully automated docker containers with letsencrypt certificates on
 
 https://ungleich.ch/u/blog/fully-automated-ssl-certificates-for-docker/
 EOF
-
+fi
 
 # restart and run now with cert
 pkill nginx