diff --git a/Dockerfile b/Dockerfile
index 2b9bdbf..375d7e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,7 @@ FROM lsiobase/alpine.nginx
 MAINTAINER chbmb
 
 # set package version
+ENV COPS_VER="1.0.0"
 
 # install runtime packages
 RUN \
@@ -21,5 +22,3 @@ COPY root/ /
 # ports and volumes
 VOLUME /config /books
 EXPOSE 80 443
-
-
diff --git a/root/www/books/config-local.php b/root/defaults/config-local.php
similarity index 100%
rename from root/www/books/config-local.php
rename to root/defaults/config-local.php
diff --git a/root/etc/cont-init.d/50-install b/root/etc/cont-init.d/40-install
similarity index 51%
rename from root/etc/cont-init.d/50-install
rename to root/etc/cont-init.d/40-install
index da866d0..3c8d10c 100644
--- a/root/etc/cont-init.d/50-install
+++ b/root/etc/cont-init.d/40-install
@@ -4,12 +4,17 @@
 if [ ! -e "/config/www/books/index.php" ]; then
 curl -o \
  /tmp/cops.tar.gz -L \
-	https://github.com/seblucas/cops/archive/1.0.0.tar.gz
+	"https://github.com/seblucas/cops/archive/${COPS_VER}.tar.gz"
 mkdir -p \
 	/config/www/books
 tar xf /tmp/cops.tar.gz -C \
 	/config/www/books --strip-components=1
 fi
 
+# copy config
+[[ ! -e /config/www/books/config-local.php ]] && \
+	cp /defaults/config-local.php /config/www/books/config-local.php
+
 # permissions
-chown -R abc:abc /config/www
+chown -R abc:abc \
+	/config/www