100% Uptime Migration of 15 Microservices from Azure App Service to AWS ECS
100% Uptime Migration of 15 Microservices from Azure App Service to AWS ECS
We migrated a distributed microservices architecture from Azure App Service to AWS ECS Fargate with zero downtime. The new setup included VPC-based isolation, automated CI/CD pipelines via Bitbucket, and service-to-service communication using AWS Service Connect—resulting in seamless scaling, reduced ops overhead, and improved system resilience.
DOWNTIME DURING MIGRATION
0 minutes
MICROSERVICES MIGRATED
15 services across 2 environments
PIPELINE COVERAGE
100% automated builds & deployments
The platform required a seamless replatforming of 15 interdependent services without breaking availability or slowing delivery.
Complex microservice migration
15 tightly coupled services had to be moved across staging and production environments without breaking dependencies or affecting runtime.
High availability under traffic load
The system needed built-in redundancy and failover to support production traffic at all times.
Inconsistent and manual deployments
Releases across services were manually triggered, slowing down cycles and increasing deployment errors.
5
Uitware built a powerful IoT platform that helps us drive sustainability and scale with ease. Their team is a true partner in innovation.
Joost Kingma
We built a fault-tolerant, containerized architecture on AWS ECS with CI/CD automation and secure internal networking.
VPC with multi-AZ subnets
Built a secure AWS VPC spanning multiple Availability Zones, with isolated subnets for staging and production workloads.
ECS Fargate + ALB deployment
Replatformed services as containers using ECS Fargate, integrated with Application Load Balancers for traffic routing and failover.
CI/CD pipelines with Bitbucket
Created automated pipelines per microservice to handle build, test, and deployment—supporting fast, stable delivery.
Secure service-to-service networking
Configured AWS Service Connect to enable internal service discovery and secure communication across the stack.
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Technologies we used
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AWS ECS Fargate
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AWS VPC
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AWS Application Load Balancer (ALB)
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AWS Service Connect
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Bitbucket Pipelines
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Docker
