const buildId = [ process.env.CI_COMMIT_REF_SLUG || 'prerelese', (process.env.CI_COMMIT_SHA || 'gitsha').slice(0, 7) ].join('-'); const banner = (process.env.NODE_ENV === 'production') ? false : (process.env.NODE_ENV || 'development'); module.exports = { siteMetadata: { buildId, banner }, plugins: [ 'gatsby-plugin-react-helmet', 'gatsby-plugin-postcss' ] };