diff --git a/docker/README.md b/docker/README.md
index cccc9a6..91f0cbe 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -1,3 +1,7 @@
+For dev, use `docker-compose.yml` and `Dockerfile`.
+
+Tests:
+
 ```
 docker build -t php_symfony --progress=plain .
 docker run --rm --name phptest -v $(pwd):/var/www/html --user 1000:1000 php_symfony
diff --git a/frontend/README.md b/frontend/README.md
index 58beeac..d97853e 100644
--- a/frontend/README.md
+++ b/frontend/README.md
@@ -1,3 +1,16 @@
+# Docker
+
+```shell
+docker run --rm -it --name npmbuild --user 1000:1000 -v $(pwd):/app --workdir /app node npm install
+docker run --rm -it --name npmbuild --user 1000:1000 -v $(pwd):/app --workdir /app node npm run build
+```
+
+Dev server:
+
+```shell
+docker run --rm -it --name npmbuild --user 1000:1000 -v $(pwd):/app --workdir /app -p 3000:3000 node npm start
+```
+
 # Getting Started with Create React App
 
 This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).