From f1dd89fe8662be52bd4012b36b402f9380dac4e5 Mon Sep 17 00:00:00 2001
From: Benedikt Heine <bebe@bebehei.de>
Date: Tue, 17 Jul 2018 09:07:03 +0200
Subject: [PATCH] [Docker] Use sorted multiline package lists

This matches docker best practices.

Signed-off-by: Benedikt Heine <bebe@bebehei.de>
---
 Dockerfile            | 22 +++++++++++++++++++---
 changelog.d/3543.misc |  1 +
 2 files changed, 20 insertions(+), 3 deletions(-)
 create mode 100644 changelog.d/3543.misc

diff --git a/Dockerfile b/Dockerfile
index 565341fee..0242be5f6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,32 @@
 FROM docker.io/python:2-alpine3.7
 
-RUN apk add --no-cache --virtual .nacl_deps su-exec build-base libffi-dev zlib-dev libressl-dev libjpeg-turbo-dev linux-headers postgresql-dev libxslt-dev
+RUN apk add --no-cache --virtual .nacl_deps \
+        build-base \
+        libffi-dev \
+        libjpeg-turbo-dev \
+        libressl-dev \
+        libxslt-dev \
+        linux-headers \
+        postgresql-dev \
+        su-exec \
+        zlib-dev
 
 COPY . /synapse
 
 # A wheel cache may be provided in ./cache for faster build
 RUN cd /synapse \
- && pip install --upgrade pip setuptools psycopg2 lxml \
+ && pip install --upgrade \
+        lxml \
+        pip \
+        psycopg2 \
+        setuptools \
  && mkdir -p /synapse/cache \
  && pip install -f /synapse/cache --upgrade --process-dependency-links . \
  && mv /synapse/contrib/docker/start.py /synapse/contrib/docker/conf / \
- && rm -rf setup.py setup.cfg synapse
+ && rm -rf \
+        setup.cfg \
+        setup.py \
+        synapse
 
 VOLUME ["/data"]
 
diff --git a/changelog.d/3543.misc b/changelog.d/3543.misc
new file mode 100644
index 000000000..d231d1774
--- /dev/null
+++ b/changelog.d/3543.misc
@@ -0,0 +1 @@
+Improve Dockerfile and docker-compose instructions