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* [fix](realtime-poll) refresh project realtime-poll * remove comment lines Co-authored-by: Praveen Durairaju <praveend.web@gmail.com> Co-authored-by: Praveen Durairaju <praveen@hasura.io> Co-authored-by: Tirumarai Selvan <tiru@hasura.io> |
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hasura-realtime-poll
A demo application to showcase real-time capabilities of Hasura GraphQL Engine.
The Realtime Poll application is built using React and is powered by Hasura GraphQL Engine over Postgres. It has an interface for users to cast vote on a poll and the results are updated in the on-screen bar chart, in real-time.
The application makes use of Hasura GraphQL Engine's real-time capabilities
using subscription. There is no backend code involved. The application is
hosted on GitHub pages and the Postgres+GraphQL Engine is running on Postgres.
- Checkout the live app.
- Explore the backend using Hasura Console.
Running the app yourself
-
Deploy Postgres and GraphQL Engine on Heroku:
-
Get the Heroku app URL (say
random-string-123.herokuapp.com) -
Clone this repo:
git clone https://github.com/hasura/graphql-engine cd graphql-engine/community/sample-apps/realtime-poll -
Goto
hasura/and editconfig.yaml:endpoint: https://random-string-123.herokuapp.com -
Apply the migrations:
hasura migrate apply -
Edit
HASURA_GRAPHQL_ENGINE_HOSTNAMEinsrc/apollo.jsand set it to the Heroku app URL:export const HASURA_GRAPHQL_ENGINE_HOSTNAME = 'random-string-123.herokuapp.com'; -
Run the app (go the root of repo):
npm install npm start