AWS Mastery for .NET Architects
Lesson 27 of 30 90% of course

AWS CodePipeline: CI/CD for .NET on AWS

17 · 8 min · 5/23/2026

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Continuous Delivery

AWS CodePipeline is a fully managed continuous delivery service that helps you automate your release pipelines for fast and reliable application and infrastructure updates.

1. The Three Musketeers

- **CodeBuild:** Compiles your C# code and runs unit tests in a clean Docker container.
- **CodeDeploy:** Safely pushes the new binary/container to EC2, Lambda, or ECS (supports Blue-Green deployments).
- **CodePipeline:** Orchestrates the whole flow from GitHub to Production.

2. Approval Gates

You can add a manual 'Approval' step before the production deploy. CodePipeline will send an SNS notification (e.g., to Slack or Email), and a manager must click 'Approve' before the deployment continues. This provides the perfect balance between automation and governance.

3. Architect Insight

Q: "Should I use CodePipeline or GitHub Actions?"

Architect Answer: "Use **GitHub Actions** for simple CI (build/test). Use **CodePipeline** if you need deep integration with AWS features like **Blue-Green** deployments on ECS/Lambda, or if you want to keep your deployment logic inside your VPC for maximum security."

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AWS Mastery for .NET Architects

On this page

1. The Three Musketeers 2. Approval Gates 3. Architect Insight
1. AWS Global Infrastructure
AWS Foundations: Regions, Availability Zones, and Edge Locations VPC Deep Dive: Subnets, Route Tables, and Internet Gateways IAM (Identity and Access Management): The Principle of Least Privilege Security Groups vs Network ACLs: Handling traffic for .NET apps
2. Compute for .NET
EC2 (Elastic Compute Cloud): Choosing the right instance for C# apps AWS Lambda: Serverless .NET with Native AOT ECS & Fargate: Containerizing .NET APIs at scale Auto Scaling Groups: Handling spikes in traffic
3. Storage & Databases
S3 (Simple Storage Service): Architecting a binary storage layer RDS (Relational Database Service): Managed SQL Server in the cloud DynamoDB Mastery: NoSQL for extreme scale ElastiCache: Boosting performance with Redis/Memcached
4. Networking & Content Delivery
Route 53: DNS management and health checks Application Load Balancer (ALB) vs Network Load Balancer (NLB) CloudFront: Accelerating frontend delivery via CDN API Gateway: Building a unified entry point for Microservices
5. Security & Compliance
AWS WAF: Protecting your APIs from common web attacks AWS Secrets Manager: Managing connection strings securely KMS (Key Management Service): Data encryption for .NET CloudTrail: Auditing your infrastructure changes
6. Messaging & Events
SQS (Simple Queue Service): Decoupling .NET services SNS (Simple Notification Service): Pub/Sub patterns in AWS EventBridge: Building an event-driven bus Step Functions: Orchestrating complex serverless workflows
7. Monitoring & DevOps
CloudWatch: Metrics, Logs, and Alarms for C# apps X-Ray: Distributed tracing for .NET Microservices AWS CodePipeline: CI/CD for .NET on AWS CloudFormation & CDK: Infrastructure as Code (IaC) with C#
8. Optimization & Scale
Cost Optimization (FinOps): Reducing your monthly AWS bill Case Study: Migrating a legacy Monolith to a Cloud-Native AWS stack