Merge pull request #2102 from aledbf/reduce_controller_size

feat(controller): image without development libraries to reduce the size.

Author: mboersma

controller/Dockerfile

@@ -13,40 +13,13 @@ RUN curl -sSL -o /usr/local/bin/etcdctl https://s3-us-west-2.amazonaws.com/opdem
 RUN curl -sSL -o /usr/local/bin/confd https://s3-us-west-2.amazonaws.com/opdemand/confd-v0.5.0-json \
     && chmod +x /usr/local/bin/confd
 
-# install required system packages
-# HACK: install git so we can install bacongobbler's fork of django-fsm
-# install openssh-client for temporary fleetctl wrapper
-RUN apt-get update && \
-    apt-get install -yq python-dev libpq-dev libyaml-dev git openssh-client
-
-# install pip
-RUN curl -sSL https://raw.githubusercontent.com/pypa/pip/1.5.6/contrib/get-pip.py | python -
-
-# add a deis user that has passwordless sudo (for now)
-RUN useradd deis --groups sudo --home-dir /app --shell /bin/bash
-RUN sed -i -e 's/%sudo\tALL=(ALL:ALL) ALL/%sudo\tALL=(ALL:ALL) NOPASSWD:ALL/' /etc/sudoers
-
-# create a /app directory for storing application data
-RUN mkdir -p /app && chown -R deis:deis /app
-
-# create directory for confd templates
-RUN mkdir -p /templates && chown -R deis:deis /templates
-
-# create directory for logs
-RUN mkdir -p /var/log/deis && chown -R deis:deis /var/log/deis
-
 # define execution environment
 CMD ["/app/bin/boot"]
 EXPOSE 8000
 
 # define work environment
 WORKDIR /app
 
-# install dependencies
-ADD requirements.txt /app/requirements.txt
-RUN pip install -r /app/requirements.txt
-
 ADD . /app
 
-# Create static resources
-RUN /app/manage.py collectstatic --settings=deis.settings --noinput
+RUN DOCKER_BUILD=true /app/build.sh

controller/build.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+
+if [[ -z $DOCKER_BUILD ]]; then
+  echo 
+  echo "Note: this script is intended for use by the Dockerfile and not as a way to build the controller locally"
+  echo 
+  exit 1
+fi
+
+DEBIAN_FRONTEND=noninteractive
+
+# install required system packages
+# HACK: install git so we can install bacongobbler's fork of django-fsm
+# install openssh-client for temporary fleetctl wrapper
+apt-get update && \
+    apt-get install -yq python-dev libpq-dev libyaml-dev git
+
+# install pip
+curl -sSL https://raw.githubusercontent.com/pypa/pip/1.5.6/contrib/get-pip.py | python -
+
+# add a deis user that has passwordless sudo (for now)
+useradd deis --groups sudo --home-dir /app --shell /bin/bash
+sed -i -e 's/%sudo\tALL=(ALL:ALL) ALL/%sudo\tALL=(ALL:ALL) NOPASSWD:ALL/' /etc/sudoers
+
+# create a /app directory for storing application data
+mkdir -p /app && chown -R deis:deis /app
+
+# create directory for confd templates
+mkdir -p /templates && chown -R deis:deis /templates
+
+# create directory for logs
+mkdir -p /var/log/deis && chown -R deis:deis /var/log/deis
+
+# install dependencies
+pip install -r /app/requirements.txt
+
+# Create static resources
+/app/manage.py collectstatic --settings=deis.settings --noinput
+
+# cleanup. indicate that python, libpq and libyanl are required packages.
+apt-mark unmarkauto python python-openssl libpq5 libpython2.7 libyaml-0-2 && \
+  apt-get remove -y --purge python-dev gcc cpp libpq-dev libyaml-dev git && \
+  apt-get autoremove -y --purge && \
+  apt-get clean -y && \
+  rm -Rf /usr/share/man /usr/share/doc && \
+  rm -rf /tmp/* /var/tmp/* && \
+  rm -rf /var/lib/apt/lists/*