Insights & Guides

Web Development & Automation Insights

Practical guides on web development, Flutter, n8n automation, and digital strategy. Real project insights from a senior-only agency.

46 articles

FeaturedNext.js
·15 min read

Next.js Caching Strategies Explained: SSR, SSG, ISR, Route Cache, and SWR

A practical guide to Next.js caching strategies in the App Router era — how SSR, SSG, ISR, the Route Cache, Data Cache, and SWR fit together, with decision tables, code examples, and common pitfalls like stale auth and tenant data.

Next.jsCachingPerformanceReactApp RouterSWR
Adrijan OmićevićRead Article
·16 min read

Next.js Multitenant SaaS Architecture: Tenancy Models, Routing, Auth, and Data Isolation (2026 Guide)

A practical guide to Next.js multitenant SaaS architecture: tenancy models, tenant-aware routing with App Router and middleware, auth patterns, and hardening data isolation to prevent leaks.

Next.jsSaaSMulti-tenancyApp RouterSecurityArchitecturePostgreSQLAuth
Adrijan OmićevićRead Article
·14 min read

Web Development Retainer vs Fixed-Price: Which Model Fits Your Product Roadmap?

A practical comparison of web development retainer vs fixed price: pros and cons, risk allocation, timelines, budgeting examples for startups and SMEs, plus a decision framework and sample SLA expectations.

web development retainer vs fixed priceretainerfixed priceagencyproduct roadmapbudgeting
Adrijan OmićevićRead Article
·16 min read

Lead-to-Cash Automation with n8n: From Form Submit to Invoice (End-to-End Workflow)

A practical lead to cash automation blueprint in n8n: capture leads, enrich data, route to sales, create deals, generate contracts, and trigger invoicing.

lead to cash automationn8nCRM automationinvoicingRevOps
Adrijan OmićevićRead Article
·17 min read

How to Self-Host n8n with Docker in 2026: Security, Backups, and Environment Setup

A practical step-by-step guide to self host n8n with Docker Compose, including persistence, secrets management, SSL, network isolation, and backup and restore procedures.

n8nDockerAutomationDevOpsSecurityBackupsSelf-Hosting
Adrijan OmićevićRead Article
·13 min read

n8n Error Handling in Production: Retries, Dead-Letter Flows, and Alerting

A practical guide to n8n error handling in production — including retry strategies, idempotency, partial failure patterns, dead-letter flows, and Slack or email alerting you can reuse.

n8nAutomationReliabilityDevOpsWorkflows
Adrijan OmićevićRead Article
·14 min read

Flutter Performance Optimization: How We Keep Apps at 60fps (Profiling + Fixes)

A repeatable Flutter performance optimization workflow using DevTools to diagnose jank, then apply targeted fixes: rebuild reduction, rendering improvements, image pipelines, and isolates — with budgets and checklists.

FlutterMobile DevelopmentPerformanceProfilingDevToolsOptimization
Adrijan OmićevićRead Article
·14 min read

Flutter App Architecture That Scales: Clean Architecture vs Feature-First (With Real Folder Structures)

A practical guide to Flutter app architecture in 2026: compare Clean Architecture and Feature-First, see real folder structures, dependency boundaries, and testing strategies, and choose the right approach for your team and release cadence.

FlutterMobile DevelopmentArchitectureClean ArchitectureTestingDart
Adrijan OmićevićRead Article
·15 min read

Web Application Observability: A Practical Guide to Logging, Metrics, and Tracing for React and Next.js

An end-to-end, production-ready observability setup for React and Next.js: error tracking, performance monitoring, structured logs, tracing, dashboards, and alerts that catch real issues.

ObservabilityNext.jsReactLoggingMetricsTracingSREDevOps
Adrijan OmićevićRead Article
·13 min read

React Component Architecture for Scale: Patterns for a Maintainable Design System

A pragmatic React component architecture for large React and Next.js codebases: composition, compound and polymorphic components, theming, folder conventions, anti-patterns, and a refactoring playbook your team can follow.

ReactNext.jsDesign SystemsArchitectureTypeScriptUI Engineering
Adrijan OmićevićRead Article
·16 min read

Next.js Authentication in 2026: NextAuth vs Clerk vs Supabase (What We Use for Client Projects)

A practical comparison of Next.js authentication options in 2026 — NextAuth, Clerk, and Supabase — across UX, security, cost, setup time, and enterprise requirements, with decision matrices for SaaS, internal tools, and B2B portals.

Next.js authenticationNext.jsApp RouterNextAuthClerkSupabaseSecuritySaaS
Adrijan OmićevićRead Article
·14 min read

Next.js App Router Migration Checklist (From Pages Router) + Common Pitfalls

A practical, step-by-step Next.js App Router migration plan from Pages Router, including a checklist for routing, data fetching, SEO metadata, deployment, and a troubleshooting guide for common pitfalls.

Next.jsReactApp RouterMigrationSEODeploymentPerformance
Adrijan OmićevićRead Article