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How to refactor a monolithic application into microservices?
Our experts follow a comprehensive 5-step process to break monolithic applications into microservices.
Step 1 : Source Code Modularization
It begins with identifying critical modules in an application. For e.g, if we are trying to break down an online travel booking app, these would be: Flight/car/sightseeing booking Hotel booking Pick-up and drop booking Notification/Reminders 24/7 Online support, etc. And so on. The next step is to separate the codebase based on the modules that our team has just identified.
Step 2 : Identify loosely coupled modules
The team first dismantles modules with low coupling that do not alter the front end of the application. At this stage, ensuring data consistency is critical and can be achieved by getting the Data Access Layer (DAL) written to both the legacy database as well as the newly created one. A communication model is established between the decoupled module and the rest of the application by implementing an asynchronous message exchange pattern.
Step 3 : Build APIs
To create a successful microservice architecture, APIs must be defined for communication between individual services for our team to take advantage of scaling capabilities offered by microservice architecture. The next important step is to create APIs. Numerous tools are available to help our team easily and efficiently build APIs.
Step 4 : Add an Anti-Corruption Layer
To make the architecture extensible and enable easy transitioning of monolith code to microservice architecture, our team adds an Anti-Corruption layer. It acts as an abstraction layer and ensures that the decoupled process is not constrained by the monolith application’s domain model. It successfully isolates subsystems by translating communications and reducing coupling.
Step 5 : Build Outer Architecture
We now focus on the outer architecture i.e. is the platform or environment needed for our microservices to operate in. To ensure successful implementation of the microservice architecture, our team builds and maintains an outer architecture with critical components like: 1) API gateway- Single-entry point into the system with capabilities like composition, protocol translation 2) CI/CD- Automates the integration and deployment of the microservices 3) Containers- Integral for horizontally scaling the microservices
Toobler DevOps Ecosystem
We Follow a Three-phase DevOps Pipeline
DevOps Toolchain and Practices Used
Incident Tracking and Management
Tools Used : Teamwork, Slack, Gitlab, Mantis
Source code management
Tools Used : Gitlab, Bitbucket
Continuous Integration and Delivery (CI/CD)
Tools Used : Jenkins, Gitlab CI
Code Quality
Tools Used : Code climate, Sonarqube
Code build
Tools Used : NPM, Yarn, Kaniko
Code test
Tools Used : Jest,Mocha, Selenium, Nightwatch and cucumber.js
Containerisation and Orchestration
Tools Used : Docker, Kubernetes
Configuration tools
Tools Used : Terraform and Ansible
Hire Dedicated DevOps Team
Scale your business by hiring our DevOps engineer or a complete team. We can help you setup a complete dedicated DevOps engineer team in under a week.
Launch
$4K
monthly*Smaller team size of less than 5 developers
Grow
$20K
monthly*Bigger team size 2 to 10 developers
Scale
Upon Request
yearly*A team size of 10+ developers
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Testimonials
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Working with Toobler was easy for me. Their staff were always online when I needed to discuss something and they were professional and pleasant in their manner. They were also very knowledgeable and always had a good grasp on what was needed. This is a good company to have in your address book.
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