From a37a38c5367e480f6c27f0a8d7a415f5ed3ae99d Mon Sep 17 00:00:00 2001
From: bndw <benjamindwoodward@gmail.com>
Date: Mon, 8 Jun 2020 20:33:12 -0700
Subject: :construction_worker: CI: Multi-stage build

---
 Dockerfile | 11 ++++++++++-
 Makefile   |  4 +---
 README.md  | 10 ++++++++--
 3 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 15ee3a9..5a5f92f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,2 +1,11 @@
+FROM mhart/alpine-node:14 as builder
+
+WORKDIR /tmp
+COPY . .
+
+RUN yarn && yarn build
+
+###
+# production image
 FROM nginx:stable-alpine
-COPY build /usr/share/nginx/html
+COPY --from=builder /tmp/build /usr/share/nginx/html
diff --git a/Makefile b/Makefile
index 6386336..421bb16 100644
--- a/Makefile
+++ b/Makefile
@@ -7,8 +7,6 @@ all: dev
 
 .PHONY: build
 build:
-	yarn
-	yarn build
 	docker build -t $(TAG_LATEST) .
 
 .PHONY: dev
@@ -17,7 +15,7 @@ dev:
 	yarn start
 
 .PHONY: run
-run: build
+run:
 	docker run --rm -p 8080:80 $(TAG_LATEST)
 
 .PHONY: publish
diff --git a/README.md b/README.md
index 704442c..1e205dc 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,16 @@ It looks like this:
 Run the latest Docker image on http://localhost:8080
 
 ```
-docker run --rm -p 8080:80 bndw/wifi-card:latest
+make run
 ```
 
-Or run the live-reload server on http://localhost:8080
+Build the Docker image
+
+```
+make build
+```
+
+Run the live-reload server on http://localhost:8080
 
 ```
 make dev
-- 
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