diff --git a/Dockerfile b/Dockerfile
index 70c42ff..01c2914 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,19 +16,19 @@ ENV NVM_DIR="/home/$USERNAME/.nvm"
 
 COPY start-container.sh /usr/local/bin/start-container
 
-RUN apt-get -y update \
-    apt-get install -y curl git 7zip php php-xml php-curl php-xml php-mbstring php-mysql php-gd \
-    useradd --create-home --uid=${USER_UID} ${USERNAME} \
-    chmod +x /usr/local/bin/start-container \
-    echo "install composer" \
-    curl -o composer-setup.php https://getcomposer.org/installer \
-    curl -o composer-setup.sig https://composer.github.io/installer.sig \
-    echo " composer-setup.php" >> composer-setup.sig \
-    sha384sum -c composer-setup.sig \
-    if [ -n "$COMPOSER_VERSION" ]; then COMPOSER_VERSION="--${COMPOSER_VERSION}"; fi \
-    php composer-setup.php --install-dir=/usr/local/bin --filename=composer $COMPOSER_VERSION \
-    rm composer-setup.php composer-setup.sig /var/www/html/* \
-    chown $USERNAME:$USERNAME /var/www/html \
+RUN apt-get -y update
+RUN apt-get install -y curl git 7zip php php-xml php-curl php-xml php-mbstring php-mysql php-gd
+RUN useradd --create-home --uid=${USER_UID} ${USERNAME}
+RUN chmod +x /usr/local/bin/start-container
+RUN echo "install composer"
+RUN curl -o composer-setup.php https://getcomposer.org/installer
+RUN curl -o composer-setup.sig https://composer.github.io/installer.sig
+RUN echo " composer-setup.php" >> composer-setup.sig
+RUN sha384sum -c composer-setup.sig
+RUN if [ -n "$COMPOSER_VERSION" ]; then COMPOSER_VERSION="--${COMPOSER_VERSION}"; fi
+RUN php composer-setup.php --install-dir=/usr/local/bin --filename=composer $COMPOSER_VERSION
+RUN rm composer-setup.php composer-setup.sig /var/www/html/*
+RUN chown $USERNAME:$USERNAME /var/www/html
 
 EXPOSE 8080