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5 Free Browser-Based Dev Tools: GraphQL Formatter, Docker Compose Validator, Dockerfile Linter, and More
I just shipped 5 new tools to DevNestio — a hub of 172 free, browser-only developer utilities. All tools are zero-signup, zero-upload, and work offline. 1. GraphQL Query Formatter & Minifier https://devnestio.pages.dev/graphql-formatter/ Paste any GraphQL operation and get: Pretty-print — consistent indentation Minify — strips comments and whitespace for smaller request payloads Validation — brace/parenthesis balance check Operation detection — lists all named query , mutation , subscription , fragment Useful for quick query cleanup before pasting into code reviews or API docs. 2. Protobuf (.proto) Formatter & Validator https://devnestio.pages.dev/protobuf-formatter/ Online formatter and validator for Protocol Buffer .proto files: Duplicate field number detection Message and enum structure validation Syntax-highlighted output One-click copy Great for a sanity check before pushing .proto changes in a gRPC service. 3. Docker Compose Validator https://devnestio.pages.dev/docker-compose-validator/ Paste your docker-compose.yml to catch: Missing services section Services without image or build Invalid port mappings ( 80:80 , 127.0.0.1:8080:80 , 53:53/udp , ranges…) depends_on referencing non-existent services Circular dependency detection (A→B→A) Unknown restart policies # This will flag errors: services : web : ports : - " abc:xyz" # invalid port depends_on : - missing_service # unknown service 4. Dockerfile Analyzer & Linter https://devnestio.pages.dev/dockerfile-analyzer/ Analyzes your Dockerfile for best practice violations across three categories: Security sudo usage inside RUN Container running as root (no USER instruction) Secrets baked into ENV / ARG (password, secret, token, key) Image size :latest base image tag apt-get update in a separate RUN (stale cache risk) apt-get install without --no-install-recommends apt cache not cleaned ( rm -rf /var/lib/apt/lists/* ) ADD used for local files instead of COPY Layer optimization Consecutive RUN instructions (suggest c
GitHub Copilot's enterprise managed-settings.json is now GA
GA in a sentence GitHub moved its enterprise managed-settings.json to general availability on July 1, giving GitHub Enterprise Cloud admins a single JSON file that overrides Copilot behaviour in VS Code and Copilot CLI for anyone holding a Copilot Business or Copilot Enterprise seat issued from the enterprise or one of its organizations. The changelog frames it as a place to define AI standards for the tenant. In practice it is a supported home for Copilot policy that shipped one setting at a time in beta up to this point. The five keys the file accepts Five keys are documented at GA: extraKnownMarketplaces , enabledPlugins , strictKnownMarketplaces , disableBypassPermissionsMode , and model . Together they configure trust for extra plugin marketplaces, the enabled-plugins list, strict enforcement of the known-good marketplace list, whether Copilot CLI and the VS Code extension can run in bypass-permission mode, and which model a user is allowed to pick. Value shapes are not enumerated in the changelog itself; the docs page is the reference for the schema. How the file reaches a client The file lives at copilot/managed-settings.json inside the .github-private repository of the organization the enterprise nominates for the role. There is a backward-compatible path at .github/copilot/settings.json for tenants already using the older layout. Copilot clients fetch the file from the server on every authentication, hold it in memory, and refresh it hourly, per the changelog. That server-side file takes precedence over the file-based config a user may have on their own machine. Setup runs through the AI Controls tab in enterprise settings, or the equivalent API endpoint, where an admin picks the hosting organization. Anyone who followed the June rollouts of disableBypassPermissionsMode and strictKnownMarketplaces will recognise the same file and the same repo. GA is what turns the plumbing into a supported product surface. Where it will trip you Two operational details are
Return of the Nigerian Prince Redux: Beware Book Club and Book Review Scams
Dev Log: 2026-07-04
TL;DR Two Laravel backends started serving Flutter apps on the same day — an events platform (auth, orders, offline check-in) and a helpdesk product (ops mode for agents). gatherhub-web moved to plans-only pricing with a comparison matrix driven by one data file. A hardening pass: payment-safe queues, gateway reconciliation, one heavyweight dependency dropped. Two mobile APIs in one day Coincidence, but a useful one: two products I'm building both needed their Laravel backends to serve mobile apps this week. The events platform got the full foundation — token auth (login/refresh/logout/me), participant orders, mobile payment with status polling, push-device registration, and an offline-first staff check-in flow. That last one is the interesting bit; I wrote it up as its own post. The helpdesk product went the other way: its API was client-only, and today it became role-aware. The same endpoints now serve ops agents working tickets from their phones, with abilities deciding what each role sees. One API surface, two personas, no duplicated /admin routes. The lesson that repeated in both: API Resources are the contract. The moment a mobile dev consumes your endpoint, every field you accidentally leak becomes a field you can't remove. Plans-only pricing (public) gatherhub-web , the Next.js marketing site, dropped à-la-carte feature pricing for three plans and gained a plan comparison matrix. Everything renders from a single plans.ts — the matrix, the pricing cards, the enterprise page — so the marketing site can't drift from what's actually sold. A pricing page is a contract too; it deserves a single source of truth as much as your API does. Hardening pass Change Why Bulk email blasts isolated to their own queue one big send must never delay a payment webhook Reconciliation command for stuck pending orders webhooks fail silently; polling the gateway is the safety net maatwebsite/excel → spatie/simple-excel for exports streams rows instead of building sheets in memory, s
Offline-First Check-In: A Laravel API That Survives Venue Wi-Fi
TL;DR A gate check-in app can't depend on live Wi-Fi: scans must work offline and sync later. Four endpoints do it: manifest download, idempotent batch push, delta pull, online search. Client-generated UUIDs + a unique index make retries safe. Duplicates are a success status, not an error. The problem Physical event, staff scanning tickets at the door, venue Wi-Fi exactly as reliable as you'd expect. If your API sits in the hot path of every scan, the queue at the gate grows at the speed of the worst signal bar in the building. So the design flips the roles: the device owns check-in, the server owns convergence. Like a cashier who keeps a paper ledger when the till goes down — record now, reconcile later. The API surface Endpoint Purpose GET /staff/events/{uuid}/manifest paginated ticket snapshot, downloaded before gates open POST /staff/events/{uuid}/check-ins/batch push queued scans; safe to retry GET /staff/events/{uuid}/check-ins?since=<cursor> pull what other devices did GET /staff/events/{uuid}/participants?q= online fallback search (lost ticket, typo) The sync loop Device Server |--- GET manifest (before event) ------->| | scan offline, queue locally | |--- POST batch [{client_uuid, ts}] ---->| dedupe on client_uuid |<-- 200 {applied | duplicate per item} -| |--- GET check-ins?since=cursor -------->| scans from other devices |<-- delta + next cursor ----------------| Idempotency is the whole trick Every scan gets a UUID generated on the device at scan time . The server puts a unique index on it and inserts-or-ignores: public function batchCheckIn ( BatchCheckInRequest $request , string $uuid ): JsonResponse { $results = collect ( $request -> validated ( 'check_ins' )) -> map ( function ( array $scan ) { $checkIn = CheckIn :: firstOrCreate ( [ 'client_uuid' => $scan [ 'client_uuid' ]], [ 'ticket_id' => /* resolved from scan */ , 'checked_in_at' => $scan [ 'scanned_at' ]], // ... ); return [ 'client_uuid' => $scan [ 'client_uuid' ], 'status' => $checkIn -> wasR
Infographic – An Infographic Generation and Rendering Framework
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The Fractional CTO Guide: How to Audit Your Business for AI Automation ROI
It's an exciting time to be in tech, with AI making headlines daily and business leaders eager to leverage its power. Yet, as a Senior IT Consultant and Digital Solutions Architect with over a decade of experience, I've observed a recurring pattern: many companies enthusiastically adopt AI tools, only to find their balance sheets reflect increased software licensing costs but no tangible improvement in core operational metrics like processing times, customer support turnaround, or error rates. This is what I call the AI adoption gap . The issue isn't the capability of Large Language Models (LLMs) or automation tools themselves; it's the absence of a structured integration strategy. Simply purchasing individual tool licenses rarely translates into automated business processes or measurable value. True transformation requires a deeper, more thoughtful approach. My role as a Fractional CTO often involves guiding businesses through this challenge—moving them from mere AI adoption to strategic AI integration. Over the years, I've refined a step-by-step audit framework that helps identify high-leverage automation points and design integrations that genuinely deliver measurable business returns. Let's dive into how you can apply this framework within your organization. 1. Step 1: Mapping High-Volume, Linear Workflows Before you can automate anything, you need a crystal-clear understanding of the process itself. This initial phase of an automation audit is all about documenting your existing business workflows. You cannot effectively automate what hasn't been precisely mapped. When identifying candidates for automation, I look for workflows that exhibit specific characteristics, as these offer the highest potential for immediate and impactful ROI: High Volume : Focus on tasks that are performed dozens, hundreds, or even thousands of times per week. Automating a task that happens once a month, while potentially valuable, won't move the needle on overall operational efficienc