diff --git a/5.4/Dockerfile b/5.4/Dockerfile
index 5321008..d90bac5 100644
--- a/5.4/Dockerfile
+++ b/5.4/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/5.4/apache/Dockerfile b/5.4/apache/Dockerfile
index ea826d1..8f51056 100644
--- a/5.4/apache/Dockerfile
+++ b/5.4/apache/Dockerfile
@@ -34,5 +34,6 @@ RUN buildDeps=" \
     && a2enmod rewrite
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/5.4/fpm/Dockerfile b/5.4/fpm/Dockerfile
index 2da079a..0c3b23d 100644
--- a/5.4/fpm/Dockerfile
+++ b/5.4/fpm/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/5.5/Dockerfile b/5.5/Dockerfile
index debf172..dd45887 100644
--- a/5.5/Dockerfile
+++ b/5.5/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/5.5/apache/Dockerfile b/5.5/apache/Dockerfile
index 346426d..59cfce3 100644
--- a/5.5/apache/Dockerfile
+++ b/5.5/apache/Dockerfile
@@ -34,5 +34,6 @@ RUN buildDeps=" \
     && a2enmod rewrite
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/5.5/fpm/Dockerfile b/5.5/fpm/Dockerfile
index 18f9c79..f40695b 100644
--- a/5.5/fpm/Dockerfile
+++ b/5.5/fpm/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/5.6/Dockerfile b/5.6/Dockerfile
index bb55a0d..de14762 100644
--- a/5.6/Dockerfile
+++ b/5.6/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/5.6/apache/Dockerfile b/5.6/apache/Dockerfile
index f4fe044..be9817c 100644
--- a/5.6/apache/Dockerfile
+++ b/5.6/apache/Dockerfile
@@ -34,5 +34,6 @@ RUN buildDeps=" \
     && a2enmod rewrite
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/5.6/fpm/Dockerfile b/5.6/fpm/Dockerfile
index bdba8a7..77ee3bd 100644
--- a/5.6/fpm/Dockerfile
+++ b/5.6/fpm/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/7.0/Dockerfile b/7.0/Dockerfile
index 51e2262..921b0cd 100644
--- a/7.0/Dockerfile
+++ b/7.0/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/7.0/apache/Dockerfile b/7.0/apache/Dockerfile
index f432c7f..a799c63 100644
--- a/7.0/apache/Dockerfile
+++ b/7.0/apache/Dockerfile
@@ -34,5 +34,6 @@ RUN buildDeps=" \
     && a2enmod rewrite
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/7.0/fpm/Dockerfile b/7.0/fpm/Dockerfile
index 0d10a0c..62084d2 100644
--- a/7.0/fpm/Dockerfile
+++ b/7.0/fpm/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/7.1/Dockerfile b/7.1/Dockerfile
index 0e62d88..d7d32d0 100644
--- a/7.1/Dockerfile
+++ b/7.1/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/7.1/apache/Dockerfile b/7.1/apache/Dockerfile
index 56fe719..1ed97af 100644
--- a/7.1/apache/Dockerfile
+++ b/7.1/apache/Dockerfile
@@ -34,5 +34,6 @@ RUN buildDeps=" \
     && a2enmod rewrite
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/7.1/fpm/Dockerfile b/7.1/fpm/Dockerfile
index 31c5cc3..d32a100 100644
--- a/7.1/fpm/Dockerfile
+++ b/7.1/fpm/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/7.2/Dockerfile b/7.2/Dockerfile
index 7c2a052..5a4c381 100644
--- a/7.2/Dockerfile
+++ b/7.2/Dockerfile
@@ -32,5 +32,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/7.2/apache/Dockerfile b/7.2/apache/Dockerfile
index 343e365..58075d1 100644
--- a/7.2/apache/Dockerfile
+++ b/7.2/apache/Dockerfile
@@ -33,5 +33,6 @@ RUN buildDeps=" \
     && a2enmod rewrite
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/7.2/fpm/Dockerfile b/7.2/fpm/Dockerfile
index 16857cc..67b0459 100644
--- a/7.2/fpm/Dockerfile
+++ b/7.2/fpm/Dockerfile
@@ -32,5 +32,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH
diff --git a/Dockerfile b/Dockerfile
index 23592b3..a610ec1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,5 +32,6 @@ RUN buildDeps=" \
     && rm -r /var/lib/apt/lists/*
 
 # Install Composer.
+ENV COMPOSER_HOME /root/composer
 RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
-ENV PATH $(composer config --global home)/vendor/bin:$PATH
+ENV PATH $COMPOSER_HOME/vendor/bin:$PATH