Add set -x under a debug flag

README.md

@@ -51,6 +51,7 @@ So. that's basically it :)
 - `SKIP_BOOTSTRAP=1` means don't create any config files, or self-signed certs
 - `SKIP_CREATE_CERTS=1` means don't call acme --issue to generate the SSL certificates
 - `SKIP_WRITE_NGINX_CONF=1` means that /etc/reverse_proxy/nginx.conf is not overriden during the config process
+- `DEBUG=1` means add verbose logging (set -x) to figure out what's going wrong
 
 # Advanced configuration
 

bootstrap.sh

@@ -2,7 +2,9 @@
 # shellcheck disable=SC2181
 
 bootstrap_fn() {
-  set -x
+  if [ "${DEBUG:-}" = '1' ]; then
+    set -x
+  fi
   data_dir=/etc/reverse_proxy/data
   acme_dir="$data_dir/.acme.sh"
   cert_dir="$data_dir/certs"

create_certs.sh

@@ -1,7 +1,11 @@
 #! /bin/sh
 # shellcheck disable=SC2181
 
-set -x -u -o noglob
+set -u -o noglob
+if [ "${DEBUG:-}" = '1' ]; then
+  set -x
+fi
+
 {
   if [ "${SKIP_CREATE_CERTS:-}" = "1" ]; then
     echo "SKIP_CREATE_CERTS is set. Uninstalling the cron job without doing anything"

init.sh

@@ -1,7 +1,9 @@
 #! /bin/sh
 
 init_fn() {
-  set -x
+  if [ "${DEBUG:-}" = '1' ]; then
+    set -x
+  fi
   data_dir=/etc/reverse_proxy/data
   acme_dir="$data_dir/.acme.sh"
   nginx_file="/etc/reverse_proxy/nginx.conf"