Merge pull request #305 from ohbarye/update-frontend

Update frontend

Author: ohbarye

README.md

@@ -6,8 +6,8 @@
 
 - [Ruby](https://www.ruby-lang.org/en/) 2.7.1
 - [Rails](https://rubyonrails.org/) 6.0.1
-- [React.js](https://reactjs.org/) 16.10.2
-- [TypeScript](https://www.typescriptlang.org/) 3.6.3
+- [React.js](https://reactjs.org/) 16.13.1
+- [TypeScript](https://www.typescriptlang.org/) 3.9.3
 - [Docker](https://docs.docker.com/)
 - [PostgreSQL](https://www.postgresql.org/) 11
 - [CircleCI](https://circleci.com/)

docker-compose.yml

@@ -20,7 +20,7 @@ services:
     working_dir: /myapp/frontend
     volumes:
       - ./frontend:/myapp/frontend
-    command: "yarn start"
+    command: "yarn dev"
     depends_on:
       - backend
   yaichi: