Insights & Guides

Web-Entwicklung & Automatisierungs-Insights

Praktische Guides zu Web-Entwicklung, Flutter, n8n-Automatisierung und digitaler Strategie. Echte Projekt-Einblicke von einer Senior-only-Agentur.

124 Artikel

Featuredlegacy code audit web mobile
·18 Minuten Lesezeit

Technical Due Diligence for Legacy Web and Mobile Apps: Audit Checklist, Risk Scoring, and a Modernization Plan

A practical step-by-step guide to run a legacy code audit for web and mobile apps, score risks, and convert findings into a phased modernization roadmap for React, Next.js, and Flutter codebases.

legacy code audit web mobileTechnical Due DiligenceReactNext.jsFlutterSecurityPerformanceModernization
Adrijan OmićevićArtikel lesen
·16 Minuten Lesezeit

n8n Operations Runbook: Monitoring, Alerting, SLOs, and On-Call Playbooks for Reliable Automations

Operate n8n like a production service: define SLOs, build dashboards, set actionable alerting, classify incidents, and use ready-to-copy runbooks and post-incident templates tailored to automation workflows.

n8nMonitoringAlertingSLOOn-CallDevOpsAutomationRunbookObservability
Adrijan OmićevićArtikel lesen
·14 Minuten Lesezeit

Securing n8n in Production: Credential Rotation, Least Privilege, and Service Account Patterns

A practical security playbook for n8n credential rotation best practices: managing secrets across environments, rotating safely without downtime, designing least-privilege service accounts, and staying audit-ready with Vault and cloud KMS examples.

n8nSecurityAutomationDevOpsComplianceSecrets Management
Adrijan OmićevićArtikel lesen
·17 Minuten Lesezeit

Flutter Testing Strategy: Unit, Widget, Integration and Golden Tests for Fast, Reliable CI (2026)

A practical Flutter testing strategy built around the testing pyramid: when to use unit, widget, integration, and golden tests, how to reduce flakes, and how to run everything fast in CI.

FlutterTestingCI/CDMobile DevelopmentQAAutomation
Adrijan OmićevićArtikel lesen
·14 Minuten Lesezeit

Flutter Navigation with go_router: Deep Links, Auth Guards, Nested Routes, and Web Support

A production-ready guide to Flutter go_router deep links, including auth redirects, ShellRoute layouts, nested navigation, URL-driven state, and deep link testing for iOS, Android, and web.

Fluttergo_routerDeep LinksNavigationMobile DevelopmentWeb
Adrijan OmićevićArtikel lesen
·13 Minuten Lesezeit

Next.js App Router Forms in 2026: React Hook Form + Zod + Server Actions (Validation, Errors, UX)

A production-ready architecture for Next.js App Router forms using React Hook Form, Zod, and Server Actions — with shared schemas, secure server-side validation, async checks, file uploads, and consistent error handling.

Next.jsReactReact Hook FormZodServer ActionsValidationUXSecurity
Adrijan OmićevićArtikel lesen
·15 Minuten Lesezeit

Offline-Friendly React Apps with TanStack Query: Persistence, Retries, and Optimistic UI (2026 Guide)

Build resilient offline-first UX with TanStack Query: React Query offline persistence, retry and backoff strategies, safe optimistic updates, partial offline patterns, and MSW testing.

ReactTanStack QueryOfflinePWATestingMSW
Adrijan OmićevićArtikel lesen
·16 Minuten Lesezeit

React Virtualization Guide: Windowing Large Lists and Grids with TanStack Virtual (and When Not To)

A practical 2026 guide to React virtualization with TanStack Virtual: build fast lists and grids, add infinite loading and sticky headers, profile measurable gains, and avoid common edge cases like dynamic row heights and accessibility pitfalls.

ReactPerformanceTanStack VirtualVirtualizationInfinite Scroll
Adrijan OmićevićArtikel lesen
·14 Minuten Lesezeit

Next.js Supabase Realtime in 2026: End-to-End Blueprint for Chat, Presence, and Collaboration

Build production-ready realtime UI with Next.js App Router and Supabase Realtime: schema design, RLS, optimistic updates, presence, scaling, and troubleshooting duplicate events and permission mismatches.

Next.jsSupabaseRealtimePostgreSQLRLSWebSocketsApp RouterChatPresence
Adrijan OmićevićArtikel lesen
·15 Minuten Lesezeit

Next.js Authorization in the App Router: RBAC vs ABAC with Middleware, RLS, and Policy Patterns

A practical guide to Next.js authorization in the App Router using RBAC and ABAC — with middleware checks, server component guards, database-enforced RLS, decision matrix, and copy-paste policy patterns.

Next.jsAuthorizationSecurityRBACABACSupabasePostgreSQLApp Router
Adrijan OmićevićArtikel lesen
·16 Minuten Lesezeit

From MVP to V1: A Roadmap for Scaling Product, Team, and Tech (Next.js + Flutter)

A practical MVP to V1 roadmap for the next 90–180 days: refactoring strategy, analytics, reliability, security, prioritization, and a framework for deciding what to rebuild, automate, and hire versus outsource.

MVPProduct StrategyNext.jsFlutterScalingAnalyticsSecurityDevOps
Adrijan OmićevićArtikel lesen
·13 Minuten Lesezeit

The Maintenance Checklist After Launch: Web, Mobile, and Automation Systems That Don’t Rot

A practical web app maintenance checklist with weekly, monthly, and quarterly routines for security, dependencies, monitoring, backups, and automation health.

web app maintenance checklistmaintenanceDevOpssecurityn8nSLA
Adrijan OmićevićArtikel lesen