Runs stateless APIs, workers and ranking services across multiple availability zones.

Provides deployment automation, service discovery, scaling and workload isolation.

Automates infrastructure provisioning, testing and production releases.

Creates repeatable environments and controlled deployment pipelines.

Observes user-facing and internal services across the architecture.

Collects metrics, logs and traces for troubleshooting and capacity planning.

Limits the impact of infrastructure and application failures.

Applies redundancy, isolation, graceful degradation and tested recovery procedures.

Protects users, administrative capabilities and internal service communication.

Centralizes access control, encryption, secret management and audit evidence.

A scalable social discussion platform supporting communities, posts, comments, voting, personalized feeds, search, moderation, notifications, media and analytics.

Manages communities, memberships, rules and moderator permissions.

Creates, retrieves, edits and removes text, link and media posts.

Stores and retrieves deeply nested discussion threads.

Processes votes, prevents duplicate voting and publishes score updates.

Delivers replies, mentions, moderation notices and application notifications.

Validates, transforms, stores and distributes uploaded images and video.

The primary user interfaces for browsing communities, publishing content, voting and moderation.

Renders feeds and discussions while communicating with the platform through secured APIs.

The public entry point for all web, mobile and media traffic.

Accelerates content delivery, filters malicious traffic and distributes requests across healthy regions.

Validates and routes incoming requests to the appropriate backend service.

Provides authentication, authorization, API versioning, request validation and service routing.

Contains the main business capabilities of the Reddit-like platform.

Separates users, communities, posts, comments, voting, subscriptions and media into independently scalable services.

Builds home, popular, community and recommendation feeds.

Retrieves candidate content and ranks it using votes, freshness, subscriptions, quality and personalization signals.

Decouples user-facing requests from expensive or asynchronous processing.

Publishes domain events and processes notifications, vote aggregation, indexing, moderation and analytics in the background.

Supports content discovery while protecting users and communities from abuse.

Indexes content, applies automated safety checks and provides human moderators with enforcement tools.

Stores transactional records, high-volume activity, cached data, media and analytics events.

Uses different storage systems according to consistency, latency, scale and access-pattern requirements.

Cloud skills on paper are not the same as cloud skills in practice. The goal was to move beyond theory and build real, working infrastructure provisioning compute, containers, storage, and delivery pipelines end-to-end.

Real-Time Server Monitoring and Alerting System using Prometheus and Grafana

Runs APIs, microservices, stream processors and background workloads.

Provides workload scheduling, resource isolation, service discovery and horizontal scaling.

Moves tested software safely through development and production environments.

Automates builds, testing, security checks, canary deployments and rollbacks.

Monitors application APIs, playback control services and CDN delivery.

Correlates service health with actual viewer playback quality.

Protects streaming availability when individual services, regions or dependencies fail.

Combines redundancy, graceful degradation, load shedding and controlled failure testing.

Protects customer identities, payments, internal services and operational data.

Applies least-privilege access, encryption, secret management and continuous auditing.

Prevents unauthorized playback and enforces contractual content restrictions.

Encrypts media and issues short-lived licences only to authorized devices and accounts.

A globally distributed video-streaming platform supporting account management, subscriptions, personalized discovery, playback authorization, adaptive bitrate streaming, content processing, observability and analytics.

Manages household profiles, maturity settings, preferences and viewing history.

Manages titles, seasons, episodes, genres, artwork and regional availability.

Generates and ranks personalized title and row candidates.

Retrieves titles using names, genres, people, semantic signals and viewer context.

Creates authorized playback sessions and returns manifests and delivery endpoints.

Issues short-lived decryption licences to authorized accounts and devices.

Produces optimized video, audio and subtitle variants for supported devices.

Assigns viewers to controlled experiments and measures product outcomes.

Collects startup time, buffering, bitrate, failure and device-health events.

Applications running on smart TVs, browsers, phones, tablets, consoles and streaming devices.

Presents the catalogue, requests personalized recommendations and plays encrypted adaptive video streams.

The public entry point for API and application traffic.

Directs viewers to healthy regional services while protecting and accelerating platform requests.

Connects client applications with backend platform services.

Authenticates requests, applies policies and assembles client-specific responses from multiple services.

Manages the commercial and identity lifecycle of each customer.

Controls authentication, household profiles, subscription status, payment state and device access.

Helps each viewer discover relevant films and television programmes.

Combines catalogue metadata, search indexes, viewing history and machine-learning models to construct personalized home screens.

Authorizes playback and prepares everything the client requires to start streaming.

Checks entitlements, selects a suitable content delivery location and returns manifests, licences and signed media URLs.

Delivers video and audio directly to viewers from geographically close cache servers.

Caches encoded media near internet service providers and streams the appropriate bitrate without routing video through the application backend.

Transforms studio master files into globally streamable assets.

Validates, encodes, packages, encrypts and distributes video, audio, subtitle and artwork assets.

Processes behavioural, operational and playback events from across the platform.

Supports experimentation, recommendations, service monitoring, business intelligence and offline machine-learning workloads.

Stores customer, catalogue, session, entitlement and application state.

Combines specialised databases, caches and object storage according to consistency, scale and latency requirements.

Automated CI/CD Pipeline for Containerized Applications using Jenkins, Docker, and Kubernetes

Describe the context of this architecture here.

Built to be understood — not just listed.

Also building on GitHub

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