Merge pull request #34 from bryanlatten/cleanup

Dockerfile: +cleanup script for downstream containers

Dockerfile

@@ -87,5 +87,16 @@ ONBUILD RUN rm -rf /var/www/html && ln -s /app/public /var/www/html
 
 #####################################################################
 
+
+# Packages in this parent container are provided for ease of integration
+# in downstream (child) builds. Some dev-only packages need to be removed
+# for a production system (git/wget/gcc/etc)
+
+# TODO: script needs to be called AFTER downstream build is performed,
+#   ONBUILD instruction gets called BEFORE, so not useful
+# RUN /bin/bash /clean.sh
+
+
+
 EXPOSE 80
 CMD ["/bin/bash", "/run.sh"]

container/root/clean.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# Perform cleanup, ensure unnecessary packages are removed
+RUN apt-get remove -yq \
+        wget \
+        git \
+        php5-dev \
+        gcc && \
+    apt-get autoclean -y && \
+    apt-get autoremove -y && \
+    rm -rf /var/lib/{apt,dpkg,cache,log}/ && \
+    rm -rf /tmp/* /var/tmp/*