diff --git a/assets/week1/aws-architecture-diagram.html b/assets/week1/aws-architecture-diagram.html
new file mode 100644
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+++ b/assets/week1/aws-architecture-diagram.html
@@ -0,0 +1,229 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>AWS Architecture Diagram</title>
+    <style>
+        body {
+            margin: 0;
+            padding: 20px;
+            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            min-height: 100vh;
+        }
+        .container {
+            background: white;
+            border-radius: 12px;
+            padding: 30px;
+            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
+            max-width: 1200px;
+            width: 100%;
+        }
+        .title {
+            text-align: center;
+            color: #232f3e;
+            font-size: 24px;
+            font-weight: bold;
+            margin-bottom: 20px;
+        }
+        .region {
+            border: 3px solid #FF9900;
+            border-radius: 8px;
+            padding: 20px;
+            background: #fff8f0;
+        }
+        .region-label {
+            background: #FF9900;
+            color: white;
+            padding: 8px 16px;
+            border-radius: 4px;
+            display: inline-block;
+            font-weight: bold;
+            margin-bottom: 15px;
+        }
+        .vpc {
+            border: 2px solid #147eba;
+            border-radius: 6px;
+            padding: 20px;
+            background: #f0f8ff;
+        }
+        .vpc-label {
+            background: #147eba;
+            color: white;
+            padding: 6px 12px;
+            border-radius: 4px;
+            display: inline-block;
+            font-size: 14px;
+            font-weight: bold;
+            margin-bottom: 15px;
+        }
+        .subnet {
+            border: 2px dashed #34a853;
+            border-radius: 6px;
+            padding: 15px;
+            margin: 10px 0;
+            background: white;
+        }
+        .subnet.private {
+            border-color: #d93025;
+        }
+        .subnet-label {
+            font-weight: bold;
+            color: #232f3e;
+            margin-bottom: 10px;
+            font-size: 14px;
+        }
+        .service-box {
+            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+            color: white;
+            padding: 12px;
+            border-radius: 6px;
+            margin: 8px 0;
+            font-size: 13px;
+            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
+        }
+        .service-box.alb {
+            background: linear-gradient(135deg, #FF9900 0%, #FF6600 100%);
+        }
+        .service-box.ecs {
+            background: linear-gradient(135deg, #FF9900 0%, #CC7A00 100%);
+        }
+        .service-box.rds {
+            background: linear-gradient(135deg, #527FFF 0%, #3E5FCC 100%);
+        }
+        .service-box.s3 {
+            background: linear-gradient(135deg, #569A31 0%, #3E7023 100%);
+        }
+        .service-box.monitoring {
+            background: linear-gradient(135deg, #FF4F8B 0%, #CC3E6E 100%);
+        }
+        .service-box.jenkins {
+            background: linear-gradient(135deg, #D24939 0%, #A63828 100%);
+        }
+        .arrow {
+            text-align: center;
+            color: #232f3e;
+            font-size: 20px;
+            margin: 5px 0;
+        }
+        .flow-grid {
+            display: grid;
+            grid-template-columns: 1fr;
+            gap: 10px;
+        }
+        .environments {
+            background: #f5f5f5;
+            border-radius: 6px;
+            padding: 15px;
+            margin-top: 20px;
+            text-align: center;
+            font-weight: bold;
+            color: #232f3e;
+        }
+        .icon {
+            display: inline-block;
+            margin-right: 8px;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="title">🏗️ AWS Architecture Diagram</div>
+        
+        <div class="region">
+            <div class="region-label">📍 AWS REGION (eu-west-1)</div>
+            
+            <div class="vpc">
+                <div class="vpc-label">🔒 VPC (10.0.0.0/16)</div>
+                
+                <div class="flow-grid">
+                    <!-- Public Subnet -->
+                    <div class="subnet">
+                        <div class="subnet-label">🌐 Public Subnet (AZ-a)</div>
+                        <div class="service-box alb">
+                            <span class="icon">⚖️</span>
+                            <strong>Application Load Balancer</strong>
+                        </div>
+                        <div class="service-box alb">
+                            <span class="icon">🌉</span>
+                            NAT Gateway
+                        </div>
+                    </div>
+                    
+                    <div class="arrow">↓ HTTPS (443)</div>
+                    
+                    <!-- Private Subnet AZ-a -->
+                    <div class="subnet private">
+                        <div class="subnet-label">🔐 Private Subnet (AZ-a)</div>
+                        <div class="service-box ecs">
+                            <span class="icon">📦</span>
+                            <strong>ECS Cluster</strong> (3 EC2 nodes)
+                        </div>
+                        <div class="service-box ecs">
+                            <span class="icon">🐳</span>
+                            Microservices (Containers)
+                        </div>
+                        <div class="service-box ecs">
+                            <span class="icon">🗂️</span>
+                            ECR for images (central)
+                        </div>
+                    </div>
+                    
+                    <div class="arrow">↓ Private Network</div>
+                    
+                    <!-- Private Subnet AZ-b -->
+                    <div class="subnet private">
+                        <div class="subnet-label">🔐 Private Subnet (AZ-b)</div>
+                        <div class="service-box rds">
+                            <span class="icon">💾</span>
+                            <strong>Amazon RDS</strong> (MySQL, Multi-AZ)
+                        </div>
+                        <div class="service-box rds">
+                            <span class="icon">⏰</span>
+                            Automated Backups (14 days)
+                        </div>
+                    </div>
+                    
+                    <div class="arrow">↓</div>
+                    
+                    <!-- S3 -->
+                    <div class="service-box s3">
+                        <span class="icon">🪣</span>
+                        <strong>Amazon S3</strong><br>
+                        Images, logs, backups, versioning & replication
+                    </div>
+                    
+                    <div class="arrow">↓</div>
+                    
+                    <!-- Observability -->
+                    <div class="service-box monitoring">
+                        <span class="icon">📊</span>
+                        <strong>Observability Stack</strong><br>
+                        • Prometheus & Grafana<br>
+                        • CloudWatch / X-Ray
+                    </div>
+                    
+                    <div class="arrow">↓</div>
+                    
+                    <!-- Jenkins -->
+                    <div class="service-box jenkins">
+                        <span class="icon">🔧</span>
+                        <strong>Jenkins</strong> (EC2 instance)<br>
+                        • Build & Push to ECR<br>
+                        • Deploy to ECS Cluster
+                    </div>
+                </div>
+            </div>
+            
+            <div class="environments">
+                🎯 Environments: STAGING / PRODUCTION<br>
+                <small>(Each has 3 ECS nodes, same structure)</small>
+            </div>
+        </div>
+    </div>
+</body>
+</html>
\ No newline at end of file
diff --git a/assets/week1/aws-architecture-diagram.png b/assets/week1/aws-architecture-diagram.png
new file mode 100644
index 0000000..a47a7d2
Binary files /dev/null and b/assets/week1/aws-architecture-diagram.png differ
diff --git a/week1.md b/week1.md
index 0f5ebf5..f6b5030 100644
--- a/week1.md
+++ b/week1.md
@@ -69,7 +69,7 @@ This project will migrate the Spring PetClinic Microservices demo from its local
 |----|----|----|
 | **Developers** | Continuous Integration | Each merge must trigger automated build, test, and image creation. |
 | | Local to Cloud Parity | Development environment must mirror AWS setup. |
-| **DevOps Engineers** | Automated Deployment | CI/CD pipeline must deploy microservices to Dev, Staging, and Prod environments automatically. |
+| **DevOps Engineers** | Automated Deployment | CI/CD pipeline must deploy microservices to Staging and Prod environments automatically. |
 | | Test Automation | Integration tests must run automatically in CI/CD pipeline. |
 || Infrastructure as Code | All AWS resources defined through configuration files |
 | | Monitoring & Alerts | Centralized logging, metrics, and tracing for all microservices. Automated alerting for service downtime or threshold breaches. |
@@ -128,7 +128,7 @@ This project will migrate the Spring PetClinic Microservices demo from its local
 |----|----|
 | **Cloud Architect** | Design AWS target architecture, network, and IAM structure |
 | **DevOps Engineer** | Build CI/CD pipelines, container orchestration, monitoring setup  |
-| **Dev Lead** | Containerize services, modify configs for cloud compatibility     |
+| **Dev Lead** | Containerize services, modify configs for cloud compatibility |
 | **Database Engineer** | Migrate data from local RDBMS to AWS RDS, manage schema updates |
 | **Security Team** | Set up access and roles for services |
 | **Everyone** | Validate deployments, pipeline runs, rollback testing |
@@ -299,3 +299,22 @@ This project will migrate the Spring PetClinic Microservices demo from its local
 | | | Prioritize restoring RDS, Config Server, and API Gateway. |
 | **Disaster Recovery Plan** | Cold standby in alternate region | No live duplication to save cost.|
 | | | Periodic replication of backups and images to secondary region. |
+
+## Architecture Diagram
+<p align="center">
+  <img src="assets/week1/aws-architecture-diagram.png" alt="Main Menu"/>
+</p>
+
+## Solutions stack
+
+| **Layer** | **Technologies / Services** |
+|----|----|
+| **Application Layer** | Spring Boot microservices |
+| **Runtime / Platform Layer** | Docker, Amazon ECS, Amazon ECR |
+| **CI/CD Layer** | Jenkins, Gitea |
+| **Infrastructure Layer** | Terraform, Ansible, Amazon EC2 (for Jenkins), VPC, subnets, security groups |
+| **Database / Storage Layer** | Amazon RDS (MySQL), Amazon S3, Amazon EBS |
+| **Observability Layer** | Prometheus, Grafana, CloudWatch |
+| **Security Layer** | AWS IAM, Security Groups, HTTPS via ALB, Secrets Manager |
+| **Continuity & Recovery Layer** | RDS automated snapshots, S3 versioning/replication, multi-AZ RDS, Terraform for redeploy |
+| **Network & Delivery Layer** | Application Load Balancer (ALB), Route 53 (DNS), NAT Gateway, Internet Gateway |
