Environment variables:
- CONTENTFUL_SPACE_ID - 12 symbols key from Contentful → Settings → API keys → Example key 1 → Space ID
- CONTENTFUL_ACCESS_TOKEN - 64 symbols key from Contentful → Settings → API keys → Example key 1 → Content Delivery API - access token
- CONTENTFUL_PREVIEW_ACCESS_TOKEN - 64 symbols key from Contentful → Settings → API keys → Example key 1 → Content Preview API - access token
Project deploys with Netlify.