diff --git a/CHANGELOG.md b/CHANGELOG.md
index a8a5af2..ff0da62 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ Common and useful classes, methods, exceptions etc.
 # 0.1.2
 
 1. Documentation > Value Objects
+2. Docker > improve performance
 
 # 0.1.1
 
diff --git a/docker-compose.yml b/docker-compose.yml
index ef072c8..e13bca3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,12 +9,12 @@ services:
         build:
             context: ./docker/config
             args:
-                - TIMEZONE=$TIMEZONE
+            - TIMEZONE=${TIMEZONE}
         volumes:
-            - .:/project
+        - .:/project:cached
     composer:
         image: ${DOCKER_CONTAINER_OWNER}/${DOCKER_CONTAINER_PROJECT}-php
         container_name: ${DOCKER_CONTAINER_OWNER}-${DOCKER_CONTAINER_PROJECT}-composer
         entrypoint: composer
         volumes:
-            - .:/project
+        - .:/project:cached