Update dockerfile

dockerfile

@@ -4,6 +4,14 @@ RUN docker-php-ext-install pdo_mysql
 
 RUN apt-get update
 
+# 6. User
+
+ARG uid
+RUN useradd -G www-data,root -u 911 -d /home/devuser devuser
+RUN mkdir -p /home/devuser/.composer && \
+    chown -R devuser:devuser /home/devuser && \
+    chown -R devuser /home/devuser/.composer/
+
 # 1. development packages
 RUN apt-get install -y \
     git \
@@ -47,12 +55,4 @@ 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"]