https://github.com/meteatamel/cloud-functions-api

A sample that shows how to use API Gateway with Cloud Functions
https://github.com/meteatamel/cloud-functions-api

Last synced: 2 days ago
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A sample that shows how to use API Gateway with Cloud Functions

• Host: GitHub
• URL: https://github.com/meteatamel/cloud-functions-api
• Owner: meteatamel
• License: apache-2.0
• Created: 2022-02-03T14:37:25.000Z (almost 3 years ago)
• Default Branch: main
• Last Pushed: 2022-02-23T12:55:16.000Z (almost 3 years ago)
• Last Synced: 2024-12-19T16:58:50.855Z (15 days ago)
• Language: Shell
• Homepage:
• Size: 42 KB
• Stars: 11
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Cloud Functions API

In this sample, you will create an API with API Gateway where each path is

handled by a different Cloud Function.

![API Gateway with Cloud Functions](image.png)

## Cloud Functions

We'll deploy two simple functions defined in [index.js](index.js):

```nodejs

exports.helloWorld = (req, res) => {

    res.send('Hello, World');

};

exports.byeWorld = (req, res) => {

    res.send('Bye, World');

};

```

Deploy both functions:

```sh

./1_deploy_functions.sh

```

## API Gateway

### Create an API

Enable required services for API Gateway and create a `greeter-api` API:

```sh

./2_create_api.sh

```

### Create an API config

Create an API config using the OpenAPI spec to define which path goes to which

function.

We'll use [openapi2-functions.yaml](openapi2-functions.yaml) as a starter but replace `REGION` and

`PROJECT_ID` with real values. This definition routes `/hello` to the

hello function and `/bye` to the bye function.

```sh

./3_create_api_config.sh

```

### Create a gateway

The final step is to deploy the API config to a gateway:

```sh

./4_create_gateway.sh

```

## Test

To test the API, first fetch the default host name of the gateway and then make

a call with `/hello` and `/bye` paths:

```sh

./5_test_gateway.sh

```

You should see something similar:

```sh

# Test hello

curl https://greeter-gateway-5dvbajef.ew.gateway.dev/hello

Hello, World

# Test bye

curl https://greeter-gateway-5dvbajef.ew.gateway.dev/bye

Bye, World%

```