GCP SERVERLESS API

TECH STACK

• API Gateway
• Golang
• Google Cloud Firestore (Native Mode)
• Google Cloud Functions
• Google Cloud Storage

LOCAL SETUP

• git clone and cd into the folder
• go mod download to download modules to local cache
• Create a service account, add roles Cloud Functions Invoker,Storage Object Admin and private key for the account
• Create a publicly accessible Google Cloud Storage Bucket
• Copy the following environmental variables to a .env file from example.env and fill in your credentials
• make dev OR go run cmd/main.go to start the application

GCP DEPLOYMENT

• Install the serverless framework and plugins defined in serverless.yml
• Enable these APIs on GCP
  • Cloud Deployment Manager V2 API,
  • API Gateway API,
  • Service Control API,
  • Service Management API,
  • Cloud Firestore API (Native Mode),
  • Cloud Function API
  • Cloud Storage API
• Use gcloud CLI to get application default credientials
• For each stage e.g. dev, prod, test
  • Copy the following environmental variables to a .env. file from example.env and fill in your credentials
  • sls deploy --stage to deploy resources
  • Create an API Gateway and its API config using the sample file apiconfig-dev.yaml. Replace the region and project id in the given file
  • Enable your created API e.g. -.apigateway. .cloud.goog
  • Create an API Key and restrict it to your API