{ "name": "Opentech", "version": "1.0.0", "description": "Build the static_src assets.", "cacheDirectories": ["opentech/static_src/node_modules"], "scripts": { "heroku-postbuild": "cd opentech/static_src && yarn install && npm run build:prod" }, "engines": { "node": "8.12.0", "yarn": "1.10.0" } }