diff --git a/conf/credentials.json b/conf/credentials.json
index 5bea828..609603b 100644
--- a/conf/credentials.json
+++ b/conf/credentials.json
@@ -25,6 +25,7 @@
    "dbSettings" : {
         "user"    : "__DB_NAME__",
         "host"    : "localhost",
+        "port"    : 5432,
         "password": "__DB_PWD__",
         "database": "__DB_NAME__"
    },
diff --git a/conf/nginx.conf b/conf/nginx.conf
index bff47bc..8a3d399 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -5,7 +5,7 @@ location __PATH__/ {
     rewrite ^ https://$server_name$request_uri? permanent;
   }
 
-  proxy_pass        http://127.0.0.1:__PORT__/;
+  proxy_pass        http://127.0.0.1:__PORT__;
   proxy_redirect    off;
   proxy_set_header  Host $host;
   proxy_set_header  X-Real-IP $remote_addr;
diff --git a/scripts/_common.sh b/scripts/_common.sh
index b31c95a..5075c93 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,7 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies="postgresql apt-transport-https"
+pkg_dependencies="postgresql postgresql-contrib apt-transport-https"
 
 nodejs_version=12