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Viprasol Blog

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Articles (1514)

SaaS Customer Success Engineering: Health Scores, Churn Signals
🚀SaaS & Startups

SaaS Customer Success Engineering: Health Scores, Churn Signals

Build data-driven customer success infrastructure: composite health scores, ML-powered churn prediction, automated playbook triggers, and CSM tooling in TypeScript and PostgreSQL.

13 min read
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Redis Advanced Patterns: Lua Scripts, Streams, Sorted Sets
🌐Web Development

Redis Advanced Patterns: Lua Scripts, Streams, Sorted Sets

Master advanced Redis patterns: atomic Lua scripts, Redis Streams for event sourcing, sorted sets for leaderboards, and Redlock for distributed locks in production Node.js apps.

14 min read
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TypeScript Utility Types: Deep Dives into Partial, Pick, Conditional
🌐Web Development

TypeScript Utility Types: Deep Dives into Partial, Pick, Conditional

Master TypeScript's type system: understand built-in utility types deeply, build recursive Partial and Required, implement conditional types with infer, create mapped types for transformations, and design type-safe builder patterns with template literal types.

13 min read
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Event-Driven Microservices: Kafka Patterns, Saga Orchestration
☁️Cloud & DevOps

Event-Driven Microservices: Kafka Patterns, Saga Orchestration

Build event-driven microservices that work in production: design Kafka topic schemas with Avro, implement the saga pattern for distributed transactions, enforce idempotency to handle duplicate events, and handle consumer group rebalancing without data loss.

13 min read
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Next.js Middleware Patterns: Auth, Redirects, A/B Testing
🌐Web Development

Next.js Middleware Patterns: Auth, Redirects, A/B Testing

Master Next.js Edge Middleware: implement authentication guards without full server roundtrips, configure redirect rules, run A/B tests at the edge with cookie-based assignment, and geo-route users to regional content — all with sub-millisecond latency.

13 min read
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SaaS Trial Conversion: Trial Design, Upgrade Prompts, Email Sequences
🚀SaaS & Startups

SaaS Trial Conversion: Trial Design, Upgrade Prompts, Email Sequences

Maximize SaaS trial-to-paid conversion: design time-limited vs usage-limited trials, build contextual upgrade prompts tied to activation events, implement automated email sequences with behavioral triggers, and engineer activation gates that convert without frustrating users.

13 min read
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Prisma in Production: Schema Design, Migrations, Connection Management
🌐Web Development

Prisma in Production: Schema Design, Migrations, Connection Management

Run Prisma in production correctly: design schemas that avoid N+1 queries, manage migrations safely with shadow databases, configure connection pooling for serverless environments, and optimize slow queries with query events and Prisma's explain.

13 min read
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WebSocket Authentication: Token-Based Auth, Reconnection
🌐Web Development

WebSocket Authentication: Token-Based Auth, Reconnection

Implement production WebSocket authentication: validate JWT tokens during handshake, handle token refresh during long-lived connections, implement automatic reconnection with exponential backoff, and choose between connection-level and message-level authorization.

13 min read
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AWS ECS Fargate in Production: Task Definitions, Service Discovery
☁️Cloud & DevOps

AWS ECS Fargate in Production: Task Definitions, Service Discovery

Run production workloads on AWS ECS Fargate: configure task definitions with Secrets Manager, set up service discovery with Cloud Map, implement blue/green deployments with CodeDeploy, and monitor with Container Insights.

13 min read
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React Hook Form + Zod: Complex Validation, File Uploads
🌐Web Development

React Hook Form + Zod: Complex Validation, File Uploads

Master React Hook Form with Zod validation: build complex nested forms, validate file uploads with type and size constraints, implement multi-step wizard forms with shared state, and handle async server-side validation without compromising UX.

13 min read
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SaaS Self-Serve Billing Portal: Plan Management, Invoices
🚀SaaS & Startups

SaaS Self-Serve Billing Portal: Plan Management, Invoices

Build a self-serve SaaS billing portal: integrate Stripe Customer Portal for plan changes and payment updates, implement custom plan upgrade flows, display invoice history, and handle proration calculations for mid-cycle plan changes.

13 min read
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OpenTelemetry for Node.js: Auto-Instrumentation, Custom Spans
☁️Cloud & DevOps

OpenTelemetry for Node.js: Auto-Instrumentation, Custom Spans

Instrument Node.js applications with OpenTelemetry: set up auto-instrumentation for HTTP, Express, and database calls, create custom spans for business logic, export traces via OTLP to Grafana Tempo or Jaeger, and correlate traces with logs and metrics.

13 min read
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Kubernetes StatefulSets: PVCs, Headless Services, Ordered Scaling
☁️Cloud & DevOps

Kubernetes StatefulSets: PVCs, Headless Services, Ordered Scaling

Deploy stateful workloads on Kubernetes: configure StatefulSets with PersistentVolumeClaims, expose pods via headless services for stable DNS, manage ordered pod lifecycle for databases and message queues, and understand when to use StatefulSet vs Deployment.

13 min read
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Monorepo Release Management: Changesets, Semantic Versioning
🌐Web Development

Monorepo Release Management: Changesets, Semantic Versioning

Manage releases in a monorepo: implement Changesets for versioning and changelogs, configure automated publish pipelines with GitHub Actions, handle peer dependency bumps, publish to npm with provenance, and coordinate breaking changes across packages.

13 min read
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SaaS GDPR Engineering: Data Deletion, Consent Management
🚀SaaS & Startups

SaaS GDPR Engineering: Data Deletion, Consent Management

Build GDPR-compliant SaaS infrastructure: implement right-to-erasure pipelines that delete user data across all systems, manage consent with audit trails, handle data subject access requests (DSARs), and anonymize analytics data.

13 min read
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AWS Lambda Optimization: Cold Starts, SnapStart, Memory Tuning
☁️Cloud & DevOps

AWS Lambda Optimization: Cold Starts, SnapStart, Memory Tuning

Optimize AWS Lambda functions for production: eliminate cold starts with SnapStart and provisioned concurrency, right-size memory with Lambda Power Tuning, use Lambda Layers for shared dependencies, and instrument with AWS Lambda Powertools for TypeScript.

13 min read
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React Suspense Patterns: Boundaries, Error Recovery, Streaming SSR
🌐Web Development

React Suspense Patterns: Boundaries, Error Recovery, Streaming SSR

Master React Suspense in production: compose Suspense and error boundaries, stream HTML with React 18 streaming SSR, integrate with React Query and Next.js App Router, and avoid common pitfalls like waterfall fetching and missing error boundaries.

13 min read
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Design System Engineering: Token-Based Theming
🌐Web Development

Design System Engineering: Token-Based Theming

Build a production design system: implement design token architecture with CSS custom properties, create a typed React component library, document with Storybook, automate visual regression testing with Chromatic, and publish with semantic versioning.

13 min read
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Node.js Streams and Backpressure: Readable, Writable, Transform
🌐Web Development

Node.js Streams and Backpressure: Readable, Writable, Transform

Master Node.js streams for production: understand backpressure mechanics, implement readable and writable streams correctly, build transform pipelines for data processing, use the pipeline() API for error handling, and process large files without memory exhaustion.

13 min read
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SaaS Dunning Management: Failed Payment Recovery, Retry Schedules
🚀SaaS & Startups

SaaS Dunning Management: Failed Payment Recovery, Retry Schedules

Build a production SaaS dunning system: implement smart payment retry schedules with Stripe, design grace periods that recover revenue without losing customers, send recovery email sequences, and measure dunning effectiveness.

13 min read
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Kubernetes RBAC: Roles, ClusterRoles, Service Accounts
☁️Cloud & DevOps

Kubernetes RBAC: Roles, ClusterRoles, Service Accounts

Implement Kubernetes RBAC correctly: design least-privilege Roles and ClusterRoles, bind service accounts to workloads, audit permissions with kubectl-who-can, prevent privilege escalation, and integrate with AWS IAM via IRSA.

13 min read
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GraphQL Code Generator: Typed Hooks, Schema-First Development
🌐Web Development

GraphQL Code Generator: Typed Hooks, Schema-First Development

Set up GraphQL Code Generator for production: generate fully-typed React Query hooks from your schema, configure client presets for fragment colocation, implement persisted operations for performance, and integrate into CI/CD.

13 min read
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Core Web Vitals Optimization: LCP, CLS, INP
🌐Web Development

Core Web Vitals Optimization: LCP, CLS, INP

Optimize Core Web Vitals to pass Google's page experience signals: fix Largest Contentful Paint with resource hints and image optimization, eliminate Cumulative Layout Shift with reserved space, improve Interaction to Next Paint with long task splitting, and measure with field data from CrUX.

13 min read
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Terraform Module Design: Reusable Modules, Variable Validation
☁️Cloud & DevOps

Terraform Module Design: Reusable Modules, Variable Validation

Design production-grade Terraform modules: write reusable modules with validated inputs, typed outputs, and sensible defaults; manage multi-environment deployments with workspaces; version modules with a private registry; and test with Terratest.

13 min read
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Expo EAS Build & Update 2026: Setup + eas.json Examples
🌐Web Development

Expo EAS Build & Update 2026: Setup + eas.json Examples

Step-by-step Expo EAS guide with real eas.json config: build profiles, OTA updates, submit to the App Store and Play Store, plus fixes for common EAS build errors.

13 min read
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