update readme; add helper yarn commands

README.md

@@ -1,6 +1,14 @@
 # README
 
+## First-time setup
+
+Install dependencies with `bundle install` and `yarn --cwd client install` (or enter client directory and execute `yarn install`)
+
+Build docker image with `docker build -t roraccounting .`
 ## Running
-docker run --name gangstadb -d -p 5432:5432 -e POSTGRES_PASSWORD=docker roraccounting
+Start docker container with Postgres DB (if not already running) : `yarn run dev-db` or
-PORT=3001 bundle exec rails s
+`docker run --name gangstadb -d -p 5432:5432 -e POSTGRES_PASSWORD=docker -e POSTGRES_DB=roraccounting_development roraccounting`
-PORT=3000 yarn --cwd client start
+
+Start backend server : `yarn run server` or `PORT=3001 bundle exec rails s`
+
+Start frontend with : `yarn run client` or `PORT=3000 yarn --cwd client start`

package.json

@@ -1,5 +1,11 @@
 {
   "dependencies": {
     "react-router-dom": "^5.0.1"
+  },
+
+  "scripts": {
+    "dev-db": "docker run --name gangstadb -d -p 5432:5432 -e POSTGRES_PASSWORD=docker -e POSTGRES_DB=roraccounting_development roraccounting",
+    "server": "PORT=3001 bundle exec rails s",
+    "client": "PORT=3000 yarn --cwd client start"
   }
 }