Fix SF sniffers build

Author: andypost

build.sh

@@ -7,6 +7,10 @@ docker build --pull \
   --build-arg VCS_REF=`git rev-parse --short HEAD` \
   -t skilldlabs/docker-phpcs-drupal .
 
-cd ci
+docker build --pull \
+  --build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` \
+  --build-arg VCS_REF=`git rev-parse --short HEAD` \
+  -t skilldlabs/docker-phpcs-drupal:symfony symfony
 
-docker build -t skilldlabs/docker-phpcs-drupal:ci .
+cd ci
+#docker build -t skilldlabs/docker-phpcs-drupal:ci .

symfony/Dockerfile

@@ -1,6 +1,7 @@
 FROM skilldlabs/docker-phpcs-drupal:latest
 
 RUN composer global require escapestudios/symfony2-coding-standard:~2.0 \
-    && ln -s /root/.composer/vendor/escapestudios/symfony2-coding-standard/Symfony2 /root/.composer/vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/Symfony2
+  && rm -rf /root/.composer/cache/* \
+  && ln -s /root/.composer/vendor/escapestudios/symfony2-coding-standard/Symfony2 /root/.composer/vendor/squizlabs/php_codesniffer/CodeSniffer/Standards/Symfony2
 
 CMD ["phpcs", "--standard=Symfony2", "."]