functions-samples
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functions-samples | Fly CDN | |
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66 | 6 | |
11,957 | 144 | |
0.4% | - | |
6.8 | 0.0 | |
7 days ago | over 1 year ago | |
JavaScript | TypeScript | |
Apache License 2.0 | Apache License 2.0 |
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functions-samples
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Setting up an auto-email micro function for Firebase RTDB
const functions = require("firebase-functions"); // // Create and deploy your first functions // // https://firebase.google.com/docs/functions/get-started // // exports.helloWorld = functions.https.onRequest((request, response) => { // functions.logger.info("Hello logs!", {structuredData: true}); // response.send("Hello from Firebase!"); // });
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Moving my Android app to Google cloud
Cloud Functions for Firebase - Pros: Aligns to my app which uses Firebase; Cons: have to use Typescript which I have no experience with
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In One Minute : Firebase
Cloud Functions for Firebase
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What are Firebase Extensions? How can they speed up your app development?
Cloud Functions are a serverless solution that allows you to run backend code in response to HTTPS requests or even more ⚡ powerfully, in response to events triggered by other Firebase products.
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I made a website that puts your face on your pet, using Cloud Vision and ML. The results are absurd as they are ridiculous
Have a go at petswitch.com if you wish... I made the original Petswitch almost ten years ago, and it's had mild success since then, including CNET writing an article about it and it receiving the prestigious honour of 'most useless website' in week 41 of 2018, as determined by theuselesswebindex.com. Aside from the obvious question of why I even made this, it was getting pretty creaky – I originally built it with PHP and ImageMagick, with the facial features being manually selected via jQuery UI. So I decided to rebuild the whole thing with a full face-to-pet ML pipeline, on static hosting. To get the human face features, the app renders the upload to a temporary img element. This is a handy way to orient the image correctly via the browser, and saves having to deal with EXIF data. It's then resized, rendered to a canvas element, converted to a base64 string, then sent via fetch to Google's Cloud Vision API, which returns landmark coordinates of the face. I use these coordinates to correct any tilt on the face, mask the eyes and mouth via a mask image, then store each masked element as an additional canvas. Detecting pet faces was trickier. Google, Amazon and Microsoft all offer object detection APIs via transfer learning, and the approach is largely the same: you supply a series of images with bounding boxes around the objects you want to detect, either added via a web interface or uploaded via their API. You train a model online from these supplied images, then the service will return the estimated coordinates of any detected objects in an uploaded image. I found a dataset of both cats and dogs that had been labelled with landmarks on their faces, then wrote a script to convert the landmarks into bounding boxes around their eyes and nose, the dimensions based on a simple formula around the distance between the eyes in each image. All in all it's been trained on about 17,000 images of cats and dogs, and the accuracy seems to be pretty good. I was pleased to discover it actually works pretty well on other pets too. I've also added some friendly pets to the Petswitch family for those that don't have a pet on hand. I decided not to use a framework for this, it's written from scratch using a series of ES6 modules – although I did use Konva to handle the manual selection of facial features if the API can't detect a face. I used ParcelJS as my task runner, and my detection APIs are hosted on Firebase Cloud Functions. Let me know if you have any questions, although I can offer no good explanation for why I created this monstrosity...
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How do I allow my express REST server to handle multiple concurrent requests (200-500) at the same time?
I would also consider using a serverless entry point for hook ingestion (eg Firebase Functions). That would make the hook and queue process very fast and light. It would auto scale and leave your app infrastructure largely untouched
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Sending Emails with Firebase
Cloud Functions allow you to access Firebase events directly in your application. This way, you can easily integrate with the Firebase platform and accomplish a wide range of tasks.
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Google Pay with Firebase extension and Adyen
Cloud Firestore is a NoSQL database part of the Firebase platform: it is designed to support complex JSON-based data structure, advanced querying and multiple languages (NodeJS, Python and Java SDKs). Firestore really stands out when used together with Cloud Functions that allow executing server-side code in response to events like changes in the database or other types of notifications.
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Build a React App with Firebase Serverless Functions
import React, { useState } from "react"; import { useOktaAuth } from "@okta/okta-react"; import { initializeApp } from "firebase/app"; import { getAuth, signInWithCustomToken, signOut } from "firebase/auth"; import { getFunctions, httpsCallable, connectFunctionsEmulator, } from "firebase/functions"; function Home() { const [reportCardData, setReportCardData] = useState(); const [selectedSemester, setSelectedSemester] = useState("Spring 2022"); const { oktaAuth, authState } = useOktaAuth(); const login = async () => oktaAuth.signInWithRedirect(); const logout = async () => { signOut(auth); oktaAuth.signOut("/"); }; const { REACT_APP_FIREBASE_APIKEY, REACT_APP_FIREBASE_AUTHDOMAIN, REACT_APP_FIREBASE_PROJECTID, REACT_APP_FIREBASE_STORAGEBUCKET, REACT_APP_FIREBASE_MESSAGINGSENDERID, REACT_APP_FIREBASE_APPID, REACT_APP_ENV, } = process.env; const firebaseConfig = { apiKey: REACT_APP_FIREBASE_APIKEY, authDomain: REACT_APP_FIREBASE_AUTHDOMAIN, projectId: REACT_APP_FIREBASE_PROJECTID, storageBucket: REACT_APP_FIREBASE_STORAGEBUCKET, messagingSenderId: REACT_APP_FIREBASE_MESSAGINGSENDERID, appId: REACT_APP_FIREBASE_APPID, }; const app = initializeApp(firebaseConfig); const functions = getFunctions(app); const auth = getAuth(); if (REACT_APP_ENV === "development") { connectFunctionsEmulator(functions, "localhost", 5001); } const getGrades = async () => { const getGradesCall = httpsCallable(functions, "getGrades"); const resp = await getGradesCall({ name: selectedSemester.split(" ")[0], year: selectedSemester.split(" ")[1], }); setReportCardData(resp.data); }; const exchangeOktaTokenForFirebaseToken = async () => { const exchangeToken = httpsCallable( functions, "exchangeOktaTokenForFirebaseToken" ); const resp = await exchangeToken({ accessToken: authState.accessToken.accessToken }); await signInWithCustomToken(auth, resp.data.firebaseToken); }; if (authState?.isAuthenticated) { exchangeOktaTokenForFirebaseToken(); } return (
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{auth?.currentUser && (
Logout
button>
)}
{!auth?.currentUser && (
Login
button>
)}
li>
ul>
nav>
{!auth?.currentUser && (
In order to use this application you must be logged into your Okta account p>
Please select a semester to get your report card h1>
{ setSelectedSemester(e.target.value); }} > Fall 2021option> Spring 2021option> Fall 2022option> Spring 2022option> select> div> Get Grades button> div> div> {reportCardData && ( <> Name: b> {reportCardData.name} p> School: b> {reportCardData.school} p> Semester: b> {reportCardData.semester} -{" "} {reportCardData.year} p> Course th> Score th> Letter Grade th> tr> thead> {reportCardData.grades.map((grade, i) => { return ( {grade.course}td> {grade.score}td> {grade.letterGrade}td> tr> ); })} tbody> table> )} div> )} A Small demo using Oktaa> to Secure an{" "} Firebase hosted application{" "} a>{" "} with a serverless{" "} functiona> p> By Nik Fishera> p> footer> main> div> ); } export default Home;
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{auth?.currentUser && (
Logout
button>
)}
{!auth?.currentUser && (
Login
button>
)}
li>
ul>
nav>
{!auth?.currentUser && (
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Decifer — generate transcripts with ease
Firebase Cloud Functions lets you run backend code in a severless architecture.
Fly CDN
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RIP Flynn.io
> I use https://fly.io now for this purpose.
That looks pretty cool, thanks.
I was definitely a _very_ late adopter of the program, but because it was so badly documented and seemingly dead even a few months ago I dropped it as well.
I use https://fly.io now for this purpose. It's not self-hosted, but it does the job for me :)
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Running Nomad for a Home Server
I think we have passed the first stage where people have gone through a couple of disasters and have learned they actually didn't need majority of the features k8s offers at their scale. They are now actively looking for simpler tools which opens space for nomad and co. Plus success stories from companies like https://fly.io(yes I like them) with nomad are pilling up.
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Top Free Services To Deploy Full-Stack Applications (Back-end, Front-end, Databases)
Fly.io is a relatively new platform (founded in 2017) which has a free tier to test out the platform or host small side projects. They give each user \$10/mo of service credit that automatically applies to any paid service.
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Why I Built Litestream
fly.io (no affiliation) has support for persistent disks - and has private encrypted networking between all of your containers, to boot.
What are some alternatives?
Gantt chart for React.JS - dhtmlxGantt with ReactJS
Turbolinks - Turbolinks makes navigating your web application faster
Vue Storefront - Alokai is a Frontend as a Service solution that simplifies composable commerce. It connects all the technologies needed to build and deploy fast & scalable ecommerce frontends. It guides merchants to deliver exceptional customer experiences quickly and easily.
firebase-js-sdk - Firebase Javascript SDK
InstantClick - InstantClick makes following links in your website instant.
CacheP2P - "More users = More capacity"
lighthouse - Automated auditing, performance metrics, and best practices for the web.
nomad-driver-containerd - Nomad task driver for launching containers using containerd.
wordler - find solution to wordle every day and create an issue for each day
flutterfire - 🔥 A collection of Firebase plugins for Flutter apps.
hyperform - ⚡ Lightweight serverless framework for NodeJS
engine - The Orchestration Engine To Deliver Self-Service Infrastructure Faster ⚡️