README.md

postgresjs Function

Connects to a PostgreSQL instance and perform two operations:

1. Insert a new row into the "invocations" table with an invocation ID
2. Query the "invocations" table for all the invocation IDs

Local Development

1. Export your Heroku Postgres configuration

Make sure you have the DATABASE_URL connection string in the .env file of this folder. For using this recipe on a Compute Environment please refer to the Heroku Data in Functions documentation.

heroku config -a <app_name> --shell > .env

2. Install dependencies with

npm install

3. Run tests with

npm test

4. Start your function locally

sf run function start --verbose

5. Invoke your function locally

sf run function --function-url=http://localhost:8080 --payload='{}'