From 22cfd595efcf8d237beb1d7c707dda8d366b5bed Mon Sep 17 00:00:00 2001
From: Kyle Ossinger <k0ss@users.noreply.github.com>
Date: Wed, 13 Nov 2019 03:42:39 +0000
Subject: [PATCH] Shaved 600mB off resulting Docker image

By removing the build files after the build is complete, we save 600mB of unnecessary bulk.  The total image size will now be 1gB.
---
 Dockerfile | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index c62cbdab..eac468c8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,11 +22,10 @@ RUN apt-get update && apt-get install -y \
     wget \
     ca-certificates \
     libpixman-1-dev \
-    && rm -fr /var/lib/apt/lists/*
-RUN mkdir /app
-WORKDIR /app
-COPY . .
+    && rm -rf /var/lib/apt/lists/*
 ARG CC=gcc-9
 ARG CXX=g++-9
 ARG LLVM_CONFIG=llvm-config-9
-RUN make clean && make distrib && make install
+COPY . /app
+RUN cd /app && make clean && make distrib && \
+    make install && cd .. && rm -rf /app