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Modern application development with heroku
- 1. Modern Applications Development w/ Heroku An Overview Siva Rama Krishna @sivachunduru
- 2. A big ball of mud is a software system that lacks a perceivable architecture. Although undesirable from a software engineering point of view, such systems are common in practice due to business pressures, developer turnover and code entropy. – Brian Foote and Joseph Yoder, Big Ball of Mud. Fourth Conference on Patterns Languages of Programs, Monticello, Illinois, September 1997 2
- 3. Agenda 3 Types of Architectures Heroku – Overview Demo DX and OpEx Why Heroku? Q & A
- 4. Types of Architectures A Recap – Legacy to Cloud
- 5. Architectures – Legacy to Off late 5Source: Software Architecture Patterns by Mark Richards Layered Architecture Event Driven Architecture Micro Kernel Architecture Analysis Agility Deployment Testability Performance Scalability Development Layered Event Driven Microkernel Microservices Microservices Architecture
- 6. Cloud/Space Architecture – helps in scalability and concurrency 6 Analysis Agility Deployment Testability Performance Scalability Development Cloud Based Source: Software Architecture Patterns by Mark Richards • Disposable • No coupling, but dynamic; simplifies deployment • High Performance • Highly Scalable • Test-Env is expensive and time consuming • Caching, In-Memory grids etc. makes Dev’s life complex
- 7. Need guiding principles to better address Scalability, Maintainability and Portability With a clear separation of Roles and Responsibilities 7
- 8. I. Codebase One codebase tracked in revision control, many deploys II. Dependencies Explicitly declare and isolate dependencies III. Config Store config in the environment IV. Backing Services Treat backing services as attached resources V. Build, release, run Strictly separate build and run stages VI. Processes Execute the app as one or more stateless processes VII. Port Binding Export services via port binding VIII.Concurrency Scale out via the process model IX. Disposability Robustness with fast startup and graceful shutdown X. Dev/prod parity Keep dev, staging and prod as similar as possible XI. Logs Treat logs as event streams XII. Admin processes Run admin/management tasks as one-off processes The 12 Factors Development & Configuration Runtime Management and Visibility 8
- 9. Heroku is a cloud platform that lets companies build, deliver, monitor and scale apps. The fastest way to go from idea to URL, bypassing all the infrastructure headaches. 9
- 10. Heroku Cloud Platform An Introduction, CI/CD and Add-ons
- 11. Everything you need to build, run and scale 11
- 12. Language Support Virtually every other language you can think of is supported by community buildpacks 12
- 13. A day in Developer dairy – for new project 13 12-Factor abidance • Codebase • Dependencies • Config • Backing Services • Build • Infra Parity 1 2 3
- 14. Deployment Process – heavy lifting by Heroku 14 12-Factor abidance • Processes • Port Binding • Concurrency • Disposability • Logs
- 15. CD Pipeline and Process Harness Plan Code Build Test Package Release Deploy Monitor Continuous Integration Plan Code Build Test Package Release Deploy Monitor Continuous Delivery If Agile software development was the opening act to a great performance, Continuous Delivery is the headliner. - Kurt Bittner, Principle Analyst 15 Code Build Package Deploy Host
- 16. Heroku - Continuous Integration 16
- 17. Heroku – Continuous Delivery 17
- 18. Demo • Part-1 – Walk-thru of App functionality – Code change & Heroku Flow • Part-2 – Salesforce Integration 18
- 19. • Extends the CRM system with digital experience for Sales Persona – PacifyCRM – Enrich Customer Experience – “Account” lifecycle is considered for the scope of demo* • Bi-directional data sync – Changes to PostgreSQL syncs with Salesforce object in near real-time – Downstream changes reflects at set interval time or near real-time 19 Demo – Use case Heroku Force.com SOAP API Heroku Connect Add-on Mappings Repo Postgres DB Tomcat SpringBoot App 2-way sync Account Object
- 21. • Bi-directional sync between Heroku Postgres and Salesforce – Unifies the data in Postgres with the objects in the Salesforce – Easily configured with a point & click UI – No coding or complex configuration is required Heroku Connect 21
- 22. Heroku Logging 22 Logplex App Logs API Logs System Logs Add-on Logs
- 23. Demo • Part-1 – Walk-thru of App functionality – Code change & Heroku Flow • Part-2 – Salesforce Integration 23
- 24. DX and OpEx Tools and Practices
- 25. Heroku Dashboard & Metrics 25 Heroku Button Postgres DbX Heroku DX Makes the processes of deploying, configuring, scaling, tuning, and managing apps as simple and straightforward as possible.
- 26. Application Health Optimal experience to end users Application Metrics Threshold Alerting Autoscaling App Webhooks Infrastructure Health Platform manages all down-stack components Consolidated Logs Heroku Exec Runtime Metrics 26 Heroku OpEx
- 27. Experience for Salesforce Users • Heroku Connect – Simplified UI, Performant integrator, Security baked-in • Enormous Business Use cases with Extensibility 27 Customized Shopping Experience both Online and Offline (Personalization, Self-Service, Recommendations) Internal and External Facing User Experiences (Modern Apps, Digital Assets, Choice of Technology) Peer-to-Peer Bridging Platform (Borrowers with Investors, Providers with Consumers) Timely Business Intelligence (Company Profiles, Financials, Executive, News) Global deployments with Law-of-Land Regulation (Different Payment Provides, Different Processing Units) 1 2 3 4 5
- 28. Why Heroku? Differentiators and Value Proposition
- 30. Business Value Proposition 30 Easy Deployments (No Setup Costs) Automated Backups (No Setup Costs) Simple Integrations (Heroku Connect, Logging etc.) No Security Blunders (AWS + Heroku = Shared Responsibility) No Certain Downtimes (Rollbacks of SSL Keys, Config Vars) Future Proof Platform (No Vendor Lock-in)
- 31. • Developer driven development • Effortless Scaling • Save time and costs by building on Heroku services Summary 31
- 32. thank you! 32
- 33. 33
Hinweis der Redaktion
- The landscape of web-based application development is constantly changing and no change in the last 15 years has been more significant than the advent of so called cloud computing. Today, we must build systems that are globally available, leveraging limited human capital resources, and doing so in a way that is maintainable all the while, getting to market first. This massive demand on software engineers has caused us to respond with new patterns in developing our software.
- Having a right architecture style is essential for each application being developed. In unorganized source-code, modules that lack clear roles, responsibilities, and relationships to one another. This is commonly referred to as the big ball of mud architecture anti-pattern. The major cause for this anti-pattern is due to – pressure on developers to start with one part at a time and come with incremental micro requirements instead of clear or holistic description of the problem statement.
- Because processing units (deployed instances of the application) can be brought up and down quickly, applications respond well to changes related to an increase or decrease in user load (environment changes). Although space-based architectures are generally not decoupled and distributed, they are dynamic, and sophisticated cloud-based tools allow for applications to easily be “pushed” out to servers, simplifying deployment. Achieving very high user loads in a test environment is both expensive and time consuming, making it difficult to test the scalability aspects of the application High performance is achieved through the in-memory data access and caching mechanisms build into this pattern High scalability come from the fact that there is little or no dependency on a centralized database, therefore essentially removing this limiting bottleneck from the scalability equation. Sophisticated caching and in-memory data grid products make this pattern relatively complex to develop, mostly because of the lack of familiarity with the tools and products used to create this type of architecture
- Use PaaS Your company has the need, resources, and time to build software, but you don’t want to mess with all the nuances of building servers, networks, and managing databases. PaaS will store your information alongside other users, but security features like encryption and containerization will keep your data separate and secure.
- This is designed for the beginning web app developer, as well as the most seasoned ones. It's designed to be completely language agnostic, and it's designed for someone who wants to learn. So as such, the only requirements that you have is the ability to write web application software, and want to learn new cloud computing technologies.
- Heroku CI is easy to setup and use, detecting and running your tests with a minimum of configuration, while providing enough flexibility and power for the most demanding uses. Seamlessly integrated with Heroku Pipelines, it completes Heroku Flow to provide a unified solution for continuous integration/continuous delivery.
- Continuous delivery features short release cycles, automation, and a direct connection to the source code repository. It's designed to enable teams to get incremental app updates to production quickly and safely. A successful CD process aligns an organization’s technology, processes, people, and culture so that deployment becomes a streamlined, automated activity. Businesses and end users benefit from faster delivery of new features and increased app quality.
- Logs are aggregated from different sources Logplex routes all of these to single channel Retains most recent 1500 lines
- At Heroku, we believe that great apps come from developers using tools they love. That’s why a great developer experience has always been at the very heart of what we do. Heroku makes the processes of deploying, configuring, scaling, tuning, and managing apps as simple and straightforward as possible, so developers can focus on what’s most important: building great apps that delight and engage customers. Heroku DX pervades Heroku. Here are three developer experience features that provide better control surfaces, deeper performance insights, easier database management, and a powerful one-click method for configuration and deployment.
- Heroku’s operational experience lets you focus on what’s most important - maintaining application health and providing an optimal experience for your end users. Sit back and let the platform monitor the key indicators of app health like responsiveness and request failures, alert you proactively so you can find (and fix) issues before your users do, and effortlessly scale to meet increases in demand. We run one of the world’s largest PaaS platforms hosting millions of apps, so we understand the value of operations and know your time is valuable. That’s why we provide integrated tools to increase application visibility, diagnose issues, receive proactive notifications and remediate issues to help developers and operations staff maintain apps in a healthy state. The platform manages all downstack components freeing you to focus on application operations, not infrastructure.
- 1 Awesome User Interface Simple, Intuitive and Precise to the point Using Heroku, makes it hard to encounter a serious human error 2 Express Development AWS IaaS, Add-Ons Catalog, No worry of edge services, Straight to building apps No roadblocks like Containerization, Monitoring, Storage, OS etc. 3 Collaborative Development GitHub integration, Review Apps 4 Polyglot Programming Supports Node.js, Java, Ruby, PHP, Python, Go, Scala and Clojure 5 Vibrant and Active Community Heroku’s Dev Center, Help, Partners and an active community of developers in online forums 6 Limitless Development Salesforce is not a high-performance system. Heroku makes it possible to iterate over 10’s of millions of rows of data or create pixel-perfect applications. 7 No Proprietary Platform Heroku ensures that your application is flexible and portable 8 Reliability and Stability Heroku is built on AWS infrastructure and backed by Salesforce