feat(*): use alpine linux.

Author: aledbf

Dockerfile

@@ -1,9 +1,9 @@
-FROM ubuntu-debootstrap:14.04
+FROM alpine:3.1
 
 ENV DEBIAN_FRONTEND noninteractive
 
 # install common packages
-RUN apt-get update && apt-get install -y curl net-tools sudo
+RUN apk add --update-cache curl bash sudo && rm -rf /var/cache/apk/*
 
 # install etcdctl
 RUN curl -sSL -o /usr/local/bin/etcdctl https://s3-us-west-2.amazonaws.com/opdemand/etcdctl-v0.4.6 \

build.sh

@@ -10,19 +10,24 @@ if [[ -z $DOCKER_BUILD ]]; then
   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 libffi-dev libpq-dev libyaml-dev git libldap2-dev libsasl2-dev
+apk add --update-cache \
+  build-base \
+  git \
+  libffi-dev \
+  libpq \
+  openldap \
+  openldap-dev \
+  postgresql-dev \
+  python \
+  python-dev
 
 # install pip
 curl -sSL https://raw.githubusercontent.com/pypa/pip/6.1.1/contrib/get-pip.py | python -
 
 # add a deis user
-useradd deis --home-dir /app --shell /bin/bash
+adduser deis -D -h /app -s /bin/bash
 
 # create a /app directory for storing application data
 mkdir -p /app && chown -R deis:deis /app
@@ -33,11 +38,12 @@ mkdir -p /templates && chown -R deis:deis /templates
 # install dependencies
 pip install -r /app/requirements.txt
 
-# cleanup. indicate that python, libpq and libyanl are required packages.
-apt-mark unmarkauto python python-openssl libpq5 libpython2.7 libffi6 libyaml-0-2 && \
-  apt-get remove -y --purge python-dev gcc cpp libffi-dev 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/*
+# cleanup.
+apk del --purge \
+  build-base \
+  git \
+  libffi-dev \
+  openldap-dev \
+  postgresql-dev \
+  python-dev
+rm -rf /var/cache/apk/*