OpenWhisk Action - Storing State Without a Database

counter.js

const openwhisk = require('openwhisk');

const main = async evt => {
    const count = (evt.count || 0) + 1

    // use client library to retrieve current function configuration
    const ow = openwhisk()
    const action = await ow.actions.get('counter')
    
    // update default parameters with new value
    action.parameters = [{key: 'count', value: count}]
    await ow.actions.update({name: 'counter', action})
    
    const message = `Function has been invoked ${count} times.`
    return { message }
}