Stocks-GraphQL

Stocks-GraphQL

GraphQL API to retrieve Historical Stocks data from DynamoDB

Features:

• Implements Querys, Mutations and Subscriptions (https://medium.com/software-insight/graphql-queries-mutations-and-subscriptions-286522b263d9)
• Data effeciently indexed and stored on DynamoDB
• Database contains 9 Million records of historical data
• Project deployed on Google App Engine
• Implements OAuth 2.0 with Google Integration
• Automatic Persisted Query (APQ) Redis Cache hosted on Redis Labs Enterprise Free Tier

! API can only be accessed on the GraphQL playground GUI

Environment Variables

PORT // PORT to run your application
AWS_ACCESS_TOKEN // Your AWS Access Token
AWS_SECRET // your AWS Secret
REDIS_ADDRESS <host_name>:<port_name>

To Run the project:

• Install and setup Go
  • https://golang.org/doc/install
  • Go Modules: https://github.com/golang/go/wiki/Modules
• go mod download to download the requirements
• go mod vendor to download to local reposistory
• Start the application: go run main.go
  

Local Endpoint: localhost:8080

To deploy on App Engine:

Follow Instructions from official website: https://cloud.google.com/appengine/docs/standard/go/building-app

app.yaml:

runtime: go113

env_variables:
  PORT: <port>
  CALLBACK_URL: https://graphql-project-278000.ue.r.appspot.com/callback
  GOOGLE_CLIENT_ID: <google_client_id>
  GOOGLE_CLIENT_SECRET:<google_client_secret>
  AWS_ACCESS_TOKEN:  <aws_access_token>
  AWS_SECRET:  <aws_secret>
  REDIS_ADDRESS:  <redis_address_with_port>
  REDIS_PASS:  <redis_password>