For development, it hosts the CMS, provides the GraphQL and authentication APIs at the same time. Unlike canner start:production, this command watches your files such as schemas and react components, and reloads your website when those files change. It's helpful for you to develop your schema. To use this command, there must be
canner.server.js under the currect working directory.
canner.schema.json- The JSON of your canner schema.