diff --git a/dockerfile b/dockerfile
index 7f2a193..6f22a4d 100644
--- a/dockerfile
+++ b/dockerfile
@@ -47,4 +47,12 @@ RUN docker-php-ext-install \
 # 5. composer
 COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
 
+# 6. User
+
+ARG uid
+RUN useradd -G www-data,root -u $uid -d /home/devuser devuser
+RUN mkdir -p /home/devuser/.composer && \
+    chown -R devuser:devuser /home/devuser && \
+    chown -R devuser /home/devuser/.composer/
+
 CMD ["apache2ctl", "-D", "FOREGROUND"]