Build files are not accessible (404)

I try hosting strapi app with AWS amplify, the build files are not accessible (404) … Something went wrong with the path. Please find my build settings.

version: 1
frontend:
phases:
preBuild:
commands:
- npm install
build:
commands:
- npm run build
postBuild:
commands:
- npm run start
artifacts:
baseDirectory:
build
files:
- '/*’
cache:
paths:
- node_modules/
/*