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[Architecture Plan Title]

Overview

[High-level description of what this architecture implements]

[Brief summary of the key components and their interactions]

  • Source RFC: [Link to RFC if this originated from one]
  • Related ADRs: [Links to relevant Architecture Decision Records]

Architecture Diagram

[Include a diagram showing the system architecture. You can use:]

  • Mermaid diagrams (embedded in markdown)
  • Static images from diagrams/ directory (.gif, .png, .svg)
  • ASCII art for simple diagrams

Example Mermaid diagram:

graph TD
    A[Component A] --> B[Component B]
    B --> C[Component C]
    C --> D[Data Store]

Example static image:

![Architecture Diagram](./diagrams/my-architecture.svg)

Design Notes:

  • [Key architectural decisions]
  • [Important constraints or considerations]
  • [Extensibility points]

Security Architecture

Overview

[High-level security approach and principles]

Security Measures by Component

Component 1

[Security considerations and implementation]

Component 2

[Security considerations and implementation]

Secrets Management

[How sensitive data is stored and accessed]

Network Security

[VPC configuration, security groups, network isolation]

Authentication & Authorization

[How users/services are authenticated and authorized]

Audit & Compliance

[Logging, monitoring, and compliance considerations]

Implementation Details

Component 1: [Name]

Purpose: [What this component does]

Technology: [Language, framework, service]

Key Files:

  • path/to/file1.py - [Description]
  • path/to/file2.ts - [Description]

Implementation:

[Detailed implementation notes, code examples, configuration]

Component 2: [Name]

[Similar structure as Component 1]

Database Schema

Tables

table_name

[Description of the table]

Columns:

Column Type Constraints Description
id bigint PRIMARY KEY Unique identifier
name varchar(255) NOT NULL [Description]
created_at timestamp NOT NULL, DEFAULT NOW() Creation timestamp

Indexes:

  • idx_name on (column1, column2) - [Purpose]

Relationships:

  • Foreign key to other_table.id

Infrastructure (CDK/Terraform)

AWS Resources

[List of AWS resources to be created]

CDK Stack Structure

apps/[product]/infra/cdk/
├── lib/
│   └── [product]-leaderboard-snapshot-stack.ts
└── README.md

Key CDK Constructs

[Code examples showing CDK construct definitions]

Configuration

Environment Variables

Variable Description Example Required
DATABASE_URL PostgreSQL connection string postgresql://... Yes
FEATURE_FLAG Enable feature true No

Secrets (AWS Secrets Manager)

Secret Name Description Format
[product]/db/credentials Database credentials JSON: {username, password, host, port, database}

Error Handling & Monitoring

Error Handling Strategy

[How errors are caught and handled]

Logging

[What is logged and where]

Metrics

[Key metrics to monitor]

Alerts

[What alerts should be configured]

Notifications

[How teams are notified of issues]

Testing Strategy

Unit Tests

[What should be unit tested]

Integration Tests

[What should be integration tested]

End-to-End Tests

[What should be tested end-to-end]

Manual Testing

[Steps for manual verification]

Deployment Plan

Prerequisites

  • Prerequisite 1
  • Prerequisite 2

Phase 1: [Phase Name]

Timeline: [Date range]

Steps:

  1. Step 1
  2. Step 2

Validation:

  • Validation criterion 1
  • Validation criterion 2

Phase 2: [Phase Name]

[Similar structure as Phase 1]

Rollback Plan

[How to rollback if issues occur]

Migration Plan (if applicable)

Data Migration

[How existing data will be migrated]

Backwards Compatibility

[How to maintain compatibility during transition]

Migration Validation

[How to verify migration success]

Performance Considerations

Expected Load

[Expected traffic/usage patterns]

Scalability

[How the system scales]

Performance Targets

  • Response time: [Target]
  • Throughput: [Target]
  • Availability: [Target]

Bottlenecks

[Potential performance bottlenecks and mitigation strategies]

Cost Analysis

Estimated Monthly Costs

Resource Cost Justification
Lambda invocations $X [Calculation]
Data storage $Y [Calculation]
Total $Z

Cost Optimization

[Strategies to minimize costs]

Future Enhancements

[Potential future improvements or extensions]

  1. Enhancement 1
  2. Enhancement 2

Open Questions

[Questions that need to be resolved during implementation]

  1. Question 1?
  2. Question 2?

References

  • [Link to related documentation]
  • [Link to external resources]
  • [Link to related PRs/issues]