Developer shares stable Docker Desktop config for Mac Studio after months of failures

·2 views

A developer running a Mac Studio M2 Max with 64 GB RAM documented persistent Docker issues including false 'no space left on device' errors, containers crashing with exit code 137, and erratic volume performance. The problems stemmed from an undersized virtual disk, excessive memory allocation, architecture mismatches on Apple Silicon, and poor volume mount configurations. After months of trial and error, a stable setup was reached by capping Docker Desktop resources, increasing the virtual disk to 256 GB, and standardizing image architectures for ARM. The developer also addressed front-end workflow slowdowns by adjusting how volumes were mounted and managing file watchers inside containers. The key takeaway was that reliability came not from a single fix but from a series of deliberate configuration decisions that made Docker predictable and low-maintenance.

Read the full story at DEV Community

This is an AI-generated summary. ShortSingh links to the original source for the complete article.

Discussion (0)

ZedGi Lets Serverless Apps Connect to Redis, Postgres, and MySQL via HTTPS

ZedGi is a TCP-to-HTTPS proxy service that enables serverless and edge runtimes to connect to traditional databases such as Redis, Postgres, and MySQL without requiring raw TCP socket access. Many popular runtimes like Cloudflare Workers and Vercel Edge Functions restrict direct TCP connections, forcing developers into workarounds such as provider-specific databases or custom proxy backends. ZedGi addresses this by acting as a gateway: applications send signed HTTPS requests to a ZedGi endpoint, which routes them through a bridge node to the actual database and returns results as JSON. The service supports TypeScript, JavaScript, and Python SDKs, as well as a raw HTTP API compatible with languages like Go, PHP, Ruby, and Rust. For security, database credentials are encrypted on the client side before transmission, and ZedGi stores only service metadata such as host and port, not plaintext passwords.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Developer's 43-Page Accessibility Audit Exposed Basic WCAG Failures in 'Solid' Website

A web developer who believed their client site met strong accessibility standards received a 43-page third-party WCAG audit report identifying 'significant barriers' for users. The audit, commissioned by the client as a corporate policy requirement, revealed critical issues that the developer acknowledged were fundamental rather than obscure edge cases. Key failures included a modal close button that became unreachable via keyboard navigation due to a misapplied focus-ring style, and a CSS grid reordering technique that caused screen readers like NVDA and VoiceOver to read page content in a sequence completely disconnected from the visual layout. The developer has since overhauled their workflow, including conducting dedicated keyboard-only navigation passes on every feature before launch. The experience highlights how self-assessed accessibility checks using browser extensions can miss real-world failures that only surface through systematic assistive-technology testing.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Why one developer tests frontend builds in Safari first — and swears by it

A frontend developer has adopted a Safari-first testing workflow, deliberately reversing the industry norm of building for Chrome and patching issues later. The approach stems from repeated experiences of polished builds breaking on clients' iPhones and iPads after going through full QA and UAT cycles. Safari's strict adherence to web specifications — unlike Chrome's tendency to silently correct malformed or ambiguous CSS — surfaces layout and form bugs much earlier in development. In one documented case, a CSS Grid layout that appeared flawless in Chrome collapsed on iPad due to problematic viewport units and a redundant flex wrapper, all caught immediately in Safari. The developer argues this discipline produces leaner, more spec-compliant code that holds up reliably across all browsers as a byproduct.

0 comments Read more at DEV Community

ProgrammingDEV Community ·

Aggressive Lazy Loading Hurt Core Web Vitals, Developer Finds

A developer redesigning a Next.js static site applied lazy loading to every image, including above-the-fold hero images, causing Largest Contentful Paint (LCP) on mobile to worsen from around 2.2 seconds to 3.5 seconds. Real-world Chrome UX Report data revealed the regression after local Lighthouse tests had shown no issues. The root cause was that lazy loading deferred hero image fetches until intersection logic triggered, adding hundreds of milliseconds to load time. Removing lazy loading from above-the-fold images and adding explicit width and height attributes brought LCP back down to roughly 2.3–2.5 seconds. The episode highlights that lazy loading improves performance only for below-the-fold assets and should never be applied indiscriminately.

0 comments Read more at DEV Community