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Google Cloud | Infrastructure Modernization

Zero-Disruption Migration Slant AI Modernizes for Scalability, Security and Automation

Contents

Business Challenge

Slant faced critical scalability and deployment bottlenecks due to its reliance on a localized Replit development environment that lacked production-grade maturity. The monolithic setup suffered from high manual deployment risks and a complete lack of automated mobile build pipelines, limiting Slant’s ability to scale its user base beyond early-stage testing.

Additionally, managing over 15 high-value AI and payment credentials (such as Anthropic and Stripe) via plain-text .env files created a severe security risk of API key exposure. Finally, transitioning away from Replit’s session-based authentication threatened to disrupt their existing user database schema, payments, and access controls.

Solution Provided

D3V Technology Solutions partnered with Slant to engineer a zero-disruption migration to a fully containerized Google Cloud Platform (GCP) architecture, transforming the platform from a “code-first” prototype to an “infrastructure-first” enterprise solution.

The core implementation included:

  • Serverless Compute & Highly Available Data: Deployed Google Cloud Run (Gen2) to handle elastic auto-scaling (from 1 to 50 instances) alongside Google Cloud SQL (PostgreSQL 15) configured with Regional High Availability for automated failover.
  • Zero-Disruption Security & Identity Hardening: Migrated user sessions to Firebase Authentication utilizing a “Just-In-Time” (JIT) data mapping strategy to bind stateless ID tokens to historical records with zero data loss. Centralized 15+ credentials inside GCP Secret Manager for runtime injection and deployed Cloud Armor at the network edge for robust WAF and DDoS protection.
  • Automated Web App Pipelines: Engineered a robust deployment pipeline for the Slant AI web application utilizing GitHub Actions and Google Cloud Build. This setup automates continuous integration, container builds, and secure image deployment directly to Google Container Registry (GCR) for streamlined production releases.
  • Dual-Tool Developer Efficiency: Engineered a custom synchronization protocol between local Claude Code CLI and cloud Replit runtimes to protect developer AI coding velocity without sacrificing production stability.

Tech Stack Used

  • Frontend Framework: React + Vite + TypeScript
  • Native Mobile Wrapper: Capacitor
  • Backend Language: Node.js + Express.js
  • Database & ORM: GCP Cloud SQL (PostgreSQL 15) + Drizzle ORM
  • API & Core Infrastructure: REST + Custom WebSockets
  • Compute Layer: Google Cloud Run (Gen2)
  • Object Storage: Google Cloud Storage (GCS) via S3-compatible XML API
  • CI/CD Pipeline: GitHub Actions,Cloud Build
  • Authentication: Firebase Authentication
  • Secret Management: Google Cloud Secret Manager
  • Edge Security: Google Cloud Armor (WAF)
  • Container Registry: Google Container Registry

Project Category

Cloud Replatforming, Infrastructure Modernization, and DevOps Pipeline Automation.

Measurable Impact / Outcome

  • Reclaimed Engineering Time: The automated CI/CD pipeline saves the Slant development team an estimated 15 to 20 hours per week by eliminating manual deployments, mobile app signing, and hotfixes.
  • Massive Operational Cost Efficiency: Optimized GCP resources to run at an actual estimated rate of $250 to $450 per month, consuming less than half of Slant’s allocated $900 monthly infrastructure budget.
  • Enterprise-Grade Availability: Guaranteed a 99.95% platform uptime threshold through regional database clusters spanning separate geographic zones.
  • Seamless Cutover Data Integrity: Maintained a 100% historical data, Stripe payment record, and role-based access control (RBAC) retention rate during the authentication shift.
  • Unlocked Revenue Streams: Enabled instant mobile market penetration and the structural capacity to confidently sign high-tier enterprise creator contracts.

Client Testimonial

By collaborating with D3V Technology Solutions, Slant AI evolved from a local prototype into a secure, enterprise-level cloud environment on GCP. This transition to a mature, automated infrastructure has reclaimed vital weekly hours for our engineers and greatly refined our deployment processes. D3V has earned my trust to play a pivotal role in production support as Slant AI becomes a category creating business.

— Chad Evans, Founder & CEO, Slant AI

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