address PR request comments for minor cleanup

README.md

@@ -16,7 +16,7 @@ Create a config directory for your custom configs:
 mkdir conf.d
 ```
 
-And a `.conf` file such as in that directory:
+And a `.conf` in that directory:
 ```nginx
 server {
     listen              443 ssl;
@@ -43,7 +43,7 @@ services:
         environment:
             - CERTBOT_EMAIL=owner@company.com
         volumes:
-          - ./conf.d:/etc/nginx/user.conf.d
+          - ./conf.d:/etc/nginx/user.conf.d :ro
   ...
 ```
 

example/docker-compose.yml

@@ -10,4 +10,5 @@ services:
       - "80:80"
       - "443:443"
     volumes:
-      - ./conf.d:/etc/nginx/user.conf.d
+      - ./conf.d:/etc/nginx/user.conf.d :ro
+

src/scripts/util.sh

@@ -96,8 +96,8 @@ is_renewal_required() {
 # to /etc/nginx/conf.d so they are included as configs
 # this allows a user to easily mount their own configs
 link_user_configs() {
-    SOURCE_DIR=${1-/etc/nginx/user.conf.d}
-    TARGET_DIR=${2-/etc/nginx/conf.d}
+    SOURCE_DIR="${1-/etc/nginx/user.conf.d}"
+    TARGET_DIR="${2-/etc/nginx/conf.d}"
 
     echo "symlinking scripts from ${SOURCE_DIR} to ${TARGET_DIR}"
 
@@ -105,8 +105,7 @@ link_user_configs() {
         echo "no ${SOURCE_DIR}, nothing to do."
     else
         for conf in ${SOURCE_DIR}/*.conf; do
-            echo "symlinking: ${conf}" "${TARGET_DIR}/$(basename ${conf})"
-            ln -s "${conf}" "${TARGET_DIR}/$(basename ${conf})"
+            ln -sv "${conf}" "${TARGET_DIR}/$(basename ${conf})"
         done
     fi
 }