Education
Migrated EdTech Platform to GCP in 6 Weeks
70%
Cost Reduction
65%
Latency Drop
50K
Concurrent Users
Zero
Downtime
Platform Transformation
Metric
Before
After
Monthly Cost
$18,000
$5,400 -70%
Response Time
5+ sec
<100 ms 50x faster
Concurrent Users
5K (limit)
50K 10x capacity
Downtime
Exam disruptions
Zero Eliminated
caseStudies.theChallenge
EdTech platform on Heroku hitting performance limits during exam periods. $18K/month for infrastructure that couldn't handle concurrent exam loads.
Heroku dynos maxing out during exam periods
Response times exceeding 5 seconds under load
$18K/month for basic infrastructure
No autoscaling capability for predictable exam surges
caseStudies.ourSolution
Full migration to GKE with Terraform-managed infrastructure, MongoDB Atlas for database, and custom autoscaling tuned to academic calendar patterns.
Containerized 12 microservices with Docker multi-stage builds
Deployed to GKE with Terraform modules for reproducibility
Migrated MongoDB to Atlas with zero-downtime sync
Configured pre-emptive scaling based on exam calendar
Set up Cloud CDN for static assets and video content
caseStudies.projectTimeline
Week 1
Architecture design, Terraform scaffolding
Week 2-3
Containerization and GKE deployment
Week 4
MongoDB Atlas migration with live sync
Week 5
Load testing — validated 50K concurrent users
Week 6
DNS cutover, monitoring, post-migration support
VE
"We outgrew Heroku. CloudLink migrated us to GCP without a single minute of student downtime."
VP Engineering
EdTech Series A
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"CloudLink saved us $200K in Black Friday downtime. Their response time is unmatched."
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