Modernizing EnvTracker Migration to Multi‑Tenancy Architecture for Enhanced Scalability and Maintenance

Abstract

This dissertationpresentsthemodernizationofEnvTracker,aSoftware‑as‑a‑Service(SaaS)platform forenhancingtraceabilityandautomationinsoftwaredeliverypipelines,developedduringanintern‑ ship atAlgoro,aFrenchstart‑upbasedinClamart.Theprojectaddressescriticallimitationsinthe existingsystem,includinganoutdatedfrontendstack,monolithicbackendarchitecture,andlackof multi‑tenancysupport,whichhinderedscalabilityandcompetitivepositioninginthemodernsoft‑ wareindustry. The primaryobjectivewastotransformEnvTrackerintoascalable,multi‑tenantSaaSplatform throughstrategicarchitecturalmodernization.Keyinnovationsincludetheimplementationofa control/applicationplaneseparationarchitecture,singlesign‑on(SSO)integrationforenterprise clients,schema‑basedtenantisolationusingPostgreSQL,andcomprehensiveDevOpspractices encompassingcontainerization,InfrastructureasCode(IaC),andautomatedCI/CDpipelines. The methodologyinvolvedasystematicapproachtoSaaStransformation,beginningwitharchitec‑ turalredesignandfoundationaltechnologyselection,followedbythedevelopmentofacentralized controlplanefortenantmanagementandbillingintegration.Thefrontendwascompletelyrefactored using modernframeworks,whilethebackendwasrestructuredtosupportmulti‑tenantoperations with robustsecurityandaccesscontrolmechanisms. Significantprogresshasbeenachieved,withthecontrolplanefullyoperationalandmajoradvance‑ mentsinthetenant‑facingapplication.Theimplementationdemonstratessuccessfulintegrationof modern technologiesandarchitecturalprinciples,resultinginimprovedscalability,maintainability, and security.Theprojectprovidesvaluableinsightsintoreal‑worldSaaStransformationchallenges, including schema‑basedmulti‑tenancyimplementation,secureservicecommunication,andauto‑ matedinfrastructureprovisioning. While themigrationprocessremainsongoing,theestablishedfoundationsupportsfuturephasesof development,particularlyfulltenantenvironmentmigrationandproductionrollout.