From 12de0e332ee522295d163535bf36453d6731d590 Mon Sep 17 00:00:00 2001
From: Archivist <qnekomata@gmail.com>
Date: Sat, 14 Jul 2018 19:08:46 +0200
Subject: [PATCH] compile-time microoptimization

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index fb2d189..90ca8e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,6 +5,6 @@ COPY . /opt/app/
 RUN cd /opt/app && \
     shards
 
-RUN cd /opt/app/ && crystal build --release src/sales_backend.cr
+RUN cd /opt/app/ && crystal build --mcpu $(gcc -march=native -Q --help=target|grep march|awk '{print $2}'|head -n 1) --release src/sales_backend.cr
 
 CMD /opt/app/sales_backend
\ No newline at end of file