Docker - Dockerfile - minor refactoring

.docker/config/Dockerfile

@@ -1,4 +1,5 @@
 FROM php:5.5-cli
+MAINTAINER Meritoo <github@meritoo.pl>
 
 #
 # Tools & libraries
@@ -10,7 +11,10 @@ RUN apt-get update \
         unzip \
         libicu-dev \
     && apt-get clean \
-    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+    && rm -rf \
+        /var/lib/apt/lists/* \
+        /tmp/* \
+        /var/tmp/*
 
 #
 # PHP extensions
@@ -19,6 +23,17 @@ RUN docker-php-ext-install \
     intl \
     mbstring
 
+#
+# PHP extensions (PECL):
+# - Xdebug
+#
+RUN pecl install \
+        xdebug \
+    && docker-php-ext-enable \
+        xdebug
+
+COPY xdebug.ini /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
+
 #
 # PHP configuration:
 # - default configuration
@@ -26,14 +41,11 @@ RUN docker-php-ext-install \
 #
 COPY php.ini /usr/local/etc/php/php.ini
 ARG TIMEZONE
-RUN echo "\n""date.timezone = $TIMEZONE""\n" >> /usr/local/etc/php/php.ini
-
-#
-# Xdebug
-#
-RUN pecl install xdebug \
-    && docker-php-ext-enable xdebug
-COPY xdebug.ini /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
+RUN ln -snf /usr/share/zoneinfo/${TIMEZONE} /etc/localtime \
+    && echo ${TIMEZONE} > /etc/timezone \
+    && printf '[PHP]\ndate.timezone = "%s"\n', ${TIMEZONE} > /usr/local/etc/php/conf.d/tzone.ini \
+    && "date"
+#RUN echo "\n""date.timezone = $TIMEZONE""\n" >> /usr/local/etc/php/php.ini
 
 #
 # Phing
@@ -41,21 +53,42 @@ COPY xdebug.ini /usr/local/etc/php/conf.d/docker-php-ext-xdebug.ini
 RUN pear channel-discover pear.phing.info \
     && pear install [--alldeps] phing/phing
 
+#
+# Composer - environment variables:
+# - disable warning about running commands as root/super user
+# - disable automatic clearing of sudo sessions
+#
+# More:
+# https://getcomposer.org/doc/03-cli.md#composer-allow-superuser
+#
+ENV COMPOSER_ALLOW_SUPERUSER 1
+
 #
 # Composer + https://packagist.org/packages/hirak/prestissimo package
 #
 RUN php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" \
     && php -r "if (hash_file('SHA384', 'composer-setup.php') === \
-    '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo \
-    'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" \
+        '544e09ee996cdf60ece3804abc52599c22b1f40f4323403c44d44fdfdd586475ca9813a858088ffbc1f233e9b180f061') { echo \
+        'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;" \
     && php composer-setup.php --install-dir=/usr/local/bin --filename=composer \
     && php -r "unlink('composer-setup.php');" \
-    && composer global require --no-plugins --no-scripts hirak/prestissimo \
-    && rm -rf /root/.composer/cache/*
+    && composer global require \
+        --no-plugins \
+        --no-scripts \
+        --no-progress \
+        --no-suggest \
+        --no-interaction \
+        --prefer-dist \
+        --optimize-autoloader \
+        --classmap-authoritative \
+        hirak/prestissimo \
+    && rm -rf ~/.composer/cache/* \
+    && composer clear-cache \
+    && composer --version
 
 #
 # Bash
 #
-RUN sed -i 's/^# export/export/g' /root/.bashrc \
-    && sed -i 's/^# alias/alias/g' /root/.bashrc \
-    && echo "\n"'export PATH=/project/vendor/bin:$PATH'"\n" >> /root/.bashrc
+RUN sed -i 's/^# export/export/g' ~/.bashrc \
+    && sed -i 's/^# alias/alias/g' ~/.bashrc \
+    && echo "\n"'export PATH=/project/vendor/bin:$PATH'"\n" >> ~/.bashrc