kristianmandrup / amplify-cli

A CLI toolchain for simplifying serverless web and mobile development.

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AWS Amplify CLI

The AWS Amplify CLI is a toolchain which includes a robust feature set for simplifying mobile and web application development. The CLI uses AWS CloudFormation and nested stacks to allow you to add or modify configurations locally before you push them for execution in your account.

• Install the CLI
• Commands Summary
• Tutorials
• Contributing
• Start building your app
• Changelog

Install the CLI

• Requires Node.js® version 10 or later

Install and configure the Amplify CLI as follows:

$ npm install -g @aws-amplify/cli
$ amplify configure

Note: If you're having permission issues on your system installing the CLI, please try the following command:

$ sudo npm install -g @aws-amplify/cli --unsafe-perm=true
$ amplify configure

Commands Summary

The Amplify CLI supports the commands shown in the following table.

Command	Description
amplify configure	Configures the AWS access credentials, AWS Region and sets up a new AWS User Profile
amplify init	Initializes a new project, sets up deployment resources in the cloud and prepares your project for Amplify.
amplify configure project	Updates configuration settings used to setup the project during the init step.
amplify add <category>	Adds cloud features to your app.
amplify update <category>	Updates existing cloud features in your app.
amplify push [--no-gql-override]	Provisions cloud resources with the latest local developments. The 'no-gql-override' flag does not automatically compile your annotated GraphQL schema and will override your local AppSync resolvers and templates.
amplify pull	Fetch upstream backend environment definition changes from the cloud and updates the local environment to match that definition.
amplify publish	Runs amplify push, publishes a static assets to Amazon S3 and Amazon CloudFront (*hosting category is required).
amplify status	Displays the state of local resources that haven't been pushed to the cloud (Create/Update/Delete).
amplify serve	Runs amplify push, and then executes the project's start command to test run the client-side application.
amplify delete	Deletes resources tied to the project.
amplify help | amplify <category> help	Displays help for the core CLI.
amplify codegen add | generate	Performs generation of strongly typed objects using a GraphQL schema.
amplify env add | list | remove | get | pull | import | checkout	See the multienv docs.

Category specific commands:

• auth (Amazon Cognito)
• storage (Amazon S3 & Amazon DynamoDB)
• function (AWS Lambda)
• api (AWS AppSync & Amazon API Gateway)
• analytics (Amazon Pinpoint)
• hosting (Amazon S3 and Amazon CloudFront distribution)
• notifications (Amazon Pinpoint)
• interactions (Amazon Lex)
• predictions (Amazon Rekognition, Amazon Textract, Amazon Translate, Amazon Polly, Amazon Transcribe, Amazon Comprehend, and Amazon SageMaker)

Tutorials

• Getting Started guide
• GraphQL transform tutorial
• Native development with Amplify CLI and AWS AppSync

Developing

To set up your local dev environment, go to the amplify-cli directory and then run the following:
yarn config set workspaces-experimental true
npm run setup-dev

To test your category, do the following:
cd <your test front-end project>
amplify-dev init
amplify-dev <your category> <subcommand>

Before pushing code or sending a pull request, do the following:

• At the command line, run npm run lint at the top-level directory. This invokes lerna to check for lint errors in all of our packages.
• You can use eslint to fix some of the lint errors. To use it, go to the package that has errors and run lint-fix
• If there are any remaining lint errors, resolve them manually. Linting your code is a best practice that ensures good code quality so it's important that you don't skip this step.

Contributing

See the contribution guideline. https://github.com/aws-amplify/amplify-cli/blob/master/CONTRIBUTING.md