From eafdf5c0632d602d9d132df2e27d7822802e3aa8 Mon Sep 17 00:00:00 2001
From: Colin Nelson <colnnelson@google.com>
Date: Wed, 26 Sep 2018 08:36:38 -0700
Subject: [PATCH] loadgenerator: Reduced docker image size to ~117MB (down from
 ~972MB). Changed to a multi stage build and switched to using python:3-alpine
 as base image

---
 src/loadgenerator/Dockerfile | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/loadgenerator/Dockerfile b/src/loadgenerator/Dockerfile
index a90c23e..b0004cf 100644
--- a/src/loadgenerator/Dockerfile
+++ b/src/loadgenerator/Dockerfile
@@ -1,7 +1,21 @@
-FROM python:3.6
+FROM python:3-alpine as base
+
+FROM base as builder
+
+RUN apk add --update --no-cache \
+    gcc \
+    linux-headers \
+    make \
+    musl-dev \
+    python-dev \
+    g++
 
 COPY requirements.txt .
-RUN pip install -r requirements.txt
+
+RUN pip install --install-option="--prefix=/install" -r requirements.txt
+
+FROM base
+COPY --from=builder /install /usr/local
 
 COPY . .
 ENTRYPOINT ./loadgen.sh