From 4147a914ac2030ef357c30bb9d7e728bed2f378c Mon Sep 17 00:00:00 2001
From: Saleem Rashid <trezor@saleemrashid.com>
Date: Fri, 29 Sep 2017 19:46:38 +0100
Subject: [PATCH] Dockerfile: Use multi-line instructions

Minimize the number of layers and call apt-get update properly
---
 Dockerfile | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 08213ec..ecca657 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,11 +2,8 @@
 
 FROM debian:9
 
-# update repositories
-
-RUN apt-get update
-
 # install build tools and dependencies
 
-RUN apt-get install -y build-essential git python python-ecdsa gcc-arm-none-eabi
-RUN apt-get install -y protobuf-compiler libprotobuf-dev python-protobuf
+RUN apt-get update && apt-get install -y \
+    build-essential git python python-ecdsa gcc-arm-none-eabi \
+    protobuf-compiler libprotobuf-dev python-protobuf