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