Tutorial: Building Your First App with MongoDB Stitch
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MongoDB Stitch allows developers to easily access and integrate MongoDB databases with key services. It provides integrated rules, functions and SDKs to handle complex connection logic and orchestrate databases and third party services. Requests made through Stitch applications are parsed, services are orchestrated, rules are applied, and results are returned to clients. Stitch offers scalable hosted JavaScript functions and declarative access controls to securely manage data and service access.
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Tutorial: Building Your First App with MongoDB Stitch
- 1. #MDBlocal MongoDB Stitch Introduction Markus Thielsch, Technical Services Engineer
- 2. #MDBlocal When building, you need to… 1. Safely and easily access data 2. Integrate with key services 3. Scalably serve requests
- 3. #MDBlocal MongoDB Query Language + Native DriversIntegrated Rules Functions3rd Party Services Native SDKs (JavaScript, Android, iOS) REST API
- 4. #MDBlocal Integrated services and Functions for complex, connection logic Native SDKs for Android, JS, and iOS clients Direct Database Access
- 5. #MDBlocal How requests work… 1. Application request is made 1
- 6. #MDBlocal How requests work… 1. Application request is made 2. Stitch parses and applies rules 2
- 7. #MDBlocal How requests work… 1. Application request is made 2. Stitch parses and applies rules 3. Stitch orchestrates DB + Services 3 3
- 8. #MDBlocal How requests work… 1. Application request is made 2. Stitch parses and applies rules 3. Stitch orchestrates DB + Services 4. Stitch aggregates and applies rules 4
- 9. #MDBlocal How requests work… 1. Application request is made 2. Stitch parses and applies rules 3. Stitch orchestrates DB + Services 4. Stitch aggregates and applies rules 5. Client receives results 5
- 10. const stitch = require('mongodb-stitch'); let client, mongodb, coll, users; stitch.StitchClientFactory .create('APP-ID') .then(stitchClient => { client = stitchClient; mongodb = client.service('mongodb', 'mongodb-atlas'); coll = mongodb.db('Demo').collection(’Users'); }); MongoDB Services Functions Stitch Concepts
- 11. client.login().then(() => { }); // You can use client.authenticate() to access other auth providers client.authenticate('providerType', {options}) // Providers include: // - Anonymous // - Email/Password // - Facebook // - Google // - API Keys // - Custom (signed JWT) MongoDB Services Functions Stitch Concepts
- 12. client.login().then(() => { coll.find({'city': ’Sydney'}).execute().then(docs => { users = docs; }); }); // Or execute almost any find/aggregate command coll.find({'city': ’Sydney'}) .aggregate([…]) .count(…) .deleteMany(…) .deleteOne(…) .insertMany(…) .insertOne(…) .updateMany(…) .updateOne(…) MongoDB Services Functions Stitch Concepts
- 13. const twilioService = client.service('twilio', 'twilioService') twilioService.send('+61123456789', '+61123456789', message) const sesService = client.service('ses', 'sesService') sesService.send(fromEmail, toEmail, message) const s3Service = client.service('s3', 's3Service') s3Service.put(bucket, key, acl, contentType) MongoDB Services Functions Stitch Concepts
- 14. #MDBlocal • Scalable, hosted JavaScript functions • Written using EcmaScript 6 • Easily incorporate application context - context.values - context.services - context.user - context.request - context.functions - context.utils Stitch Functions
- 15. client.executeFunction('sendWeather', ’Sydney'); MongoDB Services Functions Stitch Concepts
- 16. client.executeFunction('sendWeather', ’Sydney'); MongoDB Services Functions Stitch Concepts //Function sendweather exports = function(city) { var mongodb = context.services.get("mongodb-atlas"); var UserColl = mongodb.db("StitchDemo").collection("Users"); var twilio = context.services.get("twilio"); var weather = context.services.get("weatherAPI"); var users = UserColl.find({"city": city}); var forecast = weather.get({context.values.get("weatherURL") + city}); var statuses = []; for(var i in users){ statuses.push(twilio.send(context.values.get("twilioPhone")), users[i].Phone, forecast); } return statuses; }
- 17. #MDBlocal • Control DB/Service/Function access • Fine-grained data access controls • Define with simple JSON or link to functions • Associate with user profile, MDB Data, or external info Declarative Access Controls
- 18. #MDBlocal Atlas Customer Account Data { "owner_id": … , "balance": … , "transactions": {…}, "user_profile": {….} }Bank Teller Analyst Customer Roles,Permissions,andSecurity Application Reporting Data Mart User Profile: “I need to access my account” Role Based: “I need to lookup transactions without seeing personal information” Aggregate Only: “I need to understand the bank’s total cash flow”
- 19. #MDBlocal Bank Teller Analyst Customer Atlas Customer Account Data { "owner_id": … , "balance": … , "transactions": {…}, "user_profile": {….} } Stitch user_profile (Read Rule) {”owner_id": ”%%user.id"} balance/transactions (Read Rules) { ”%or": [ {”owner_id": ”%%user.id"}, {"%%true": { "%function": { "name": ”isTeller", "args": [] } ] } { "user_id": … , "balance": … , "transactions": {…}, "user_profile": {….} }
- 20. #MDBlocal Stitch user_profile (Read Rule) {”owner_id": ”%%user.id"} balance/transactions (Read Rules) { ”%or": [ {”owner_id": ”%%user.id"}, {"%%true": { "%function": { "name": ”isTeller", "args": [] } ] } Bank Teller Analyst Customer Atlas Customer Account Data { "owner_id": … , "balance": … , "transactions": {…}, "user_profile": {….} } { "user_id": … , "balance": … , "transactions": {…} }
- 21. #MDBlocal Stitch user_profile (Read Rule) {”owner_id": ”%%user.id"} balance/transactions (Read Rules) { ”%or": [ {”owner_id": ”%%user.id"}, {"%%true": { "%pipeline": { "name": "CheckAuth", "args": { "AuthType": "server", "UserAuth": "%%user.type"} } ] } Stitch user_profile (Read Rule) {”owner_id": ”%%user.id"} balance/transactions (Read Rules) { ”%or": [ {”owner_id": ”%%user.id"}, {"%%true": { "%function": { "name": ”isTeller", "args": [] } ] } Bank Teller Analyst Customer {Aggregated Data} Stitch Function for Analysis { "%%true": { "%function": { "name": ”isAnalyst", "args": []} } Atlas Customer Account Data { "owner_id": … , "balance": … , "transactions": {…}, "user_profile": {….} }
- 23. #MDBlocal Amazon S3 MongoDB Atlas twilio Amazon Rekognition 2FA Access Control with Stitch Secure IoT Client • Bi-directional communication • Secure com via API key auth • Device access to DB, functions and Services Complex, Scalable Backend • Deeply integrated services • Coordination logic via Functions • Security through Auth + Rules • Elastic scale
- 24. #MDBlocal MongoDB Atlas Twilio Amazon Rekognition {key: “*”} capture_image() {match: Drew, Prob: 99.0%} {user: “Drew”, Ph#: 555-1212} {user: Drew, OTP: 135} {user: Drew, OTP: 135} Ph#: 555-1212 {Ph#: 555-1212, OTP: 135} {OTP: 135} {OTP: 135} Amazon S3 process: 1. User requests photo + SMS entry 2. Stitch asks ElectricImp for photo 3. EI takes photo, sends to Stitch 4. Stitch sends the photo to AWS S3 and Rekognition 5. Recognition sends image analysis 6. Stitch queries Atlas for User 7. Stitch generates an entry code, writes log, sends text via Twilio 8. User enters code with key pad, ElectricImp sends to Stitch 9. Stitch checks code against logs 10. If the code is valid, the Stitch sends Electric Imp a message to unlock.
- 25. #MDBlocal Add Features • Take your app to a new platform • Build a better permissions system or a separate admin portal • Add additional authentication providers Expose Data • Provide an API for safe, internal data access • Build a precise permissions system • Create a realtime dashboard with authentication and security built-in Integrate Services • Integrate with any service or API with minimal code • Consume/action on data in realtime with webhooks • Communicate with data using text, e-mail, slack, etc. Complete Backend • Build faster without boilerplate code • Easily span multiple platforms • Scale at a moments notice • Single, simplified point to manage infrastructure/logic
- 26. #MDBlocal Pricing • 25 GB Free per month of data transferred from to Stich to client/services • $1 USD per GB after • Data transfer to Atlas is free
- 27. #MDBlocal xx Everywhere Expand Regional footprint Available on-premise Bring any MongoDB Realtime Change Streams driven Event-based functions Improve Dev App Import/Export Tools User/Log Management Rules Usability What’s Next?
- 28. #MDBlocal • Try out Stitch – stitch.mongodb.com • Check out SDKs and examples • Code at github.com/mongodb/stitch-examples • Docs at docs.mongodb.com/stitch • Build the Dashboard or Weather IoT apps in our Tutorials section • Ask questions or let us know what you’re building through the chat feature What Now?