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Show HN: Vaultbase – a self-hosted back end in a single binary
One binary to run and you have a full backend at your fingertips: a database with a REST API, sign-in, realtime, files, server-side hooks and jobs, on SQLite or Postgres. It's MIT licensed.
You can try the demo at <a href="https://demo.vaultbase.sh" rel="nofollow">https://demo.vaultbase.sh</a> (the login is filled in, and it resets every hour).
I built it to ship fast. I always tend to write the same logic for any new project, whether it's a side project or a small to medium project for a client. I wanted something my friends and I could work with fast, try new things with, and that's easy to use. Then it became something I really wanted to work on and make as complete as I can for any type of backend.
As of writing this post it has 80 releases since May this year and is backed by more than 2,800 tests. I also run security reviews with Claude and fix what they find. It hasn't had an outside audit yet.
It was built with the help of Claude, from the codebase to the documentation and fact-checking it against the code. Claude helped speed up the pace, find bugs, and write tests.
Vaultbase is pre-1.0, so expect some bugs and issues here and there. I'm working hard to fix each and every one of them.
Thank you for taking the time to read this. I'd really appreciate any feedback, even if you didn't like Vaultbase. The demo is yours to try, and it's two commands to run locally.
Ask HR: Systems Engineering's Senior Pipeline Crisis
The modern software industry is engineering its own talent famine. In mission-critical systems programming—especially within the C++ ecosystem—companies are dismantling entry-level pathways while demanding senior-level proficiency from day one. By treating engineering talent purely as a resource to be acquired from the market rather than cultivated from within, corporations are creating an unsustainable knowledge vacuum that threatens the long-term maintainability of global software infrastructure.<p>This systemic breakdown is driven by four interconnected bottlenecks.<p>1. The Myth of the Zero-Risk Junior
C++ sits at the foundation of critical infrastructure: autonomous systems, high-frequency trading platforms, game engines, and operating systems. Because code executes so close to hardware with manual memory management, companies fear that hiring inexperienced engineers introduces unmanageable stability and security risks.<p>However, this risk-averse stance ignores the foundational role of structured code review and mentorship. When senior engineers review junior code, they do not just check syntax; they evaluate systemic logic, memory lifecycles, and architecture. By treating code review as an administrative burden rather than a primary vehicle for knowledge transfer, organizations lock out developing engineers under the false assumption that entry-level hires are inherently unmanageable risks.<p>2. The Economic Short-Termism of Mentorship
Engineering management increasingly views senior developer time through the lens of short-term feature delivery. Because supervising a junior requires context switching and time investment from senior staff, companies calculate a temporary drop in senior output as a net negative for the quarter.<p>This short-sighted economic model creates a classic free-rider problem: every company wants to hire seniors, but no company wants to invest the time required to produce them. Organizations optimize for immediate quarterly balance sheets while borrowing heavily against their future technical capacity.<p>3. The Fallacy of AI and Automated Tooling as Onboarding Substitutes
To bypass human mentorship, the industry has leaned heavily on static analyzers, dynamic sanitizers, and AI code generation. While tools like AddressSanitizer or Valgrind are essential for catching runtime violations, and AI models can generate syntax boilerplate, neither can replace senior guidance.<p>Large Language Models (LLMs) frequently generate syntactically convincing C++ code that masks subtle data races, lifetime issues, or cache-unfriendly patterns under multi-threaded loads. Relying on automated tools or AI output without experienced human architectural oversight leaves teams vulnerable to silent, catastrophic failures that only deep domain experience can prevent.<p>4. The Looming Senior Drought
The consequence of this hiring gatekeeping is an unavoidable demographic and skills crisis:<p>* Knowledge Hoarding: High-level engineering roles remain restricted to a shrinking group of veterans who entered the field when companies still trained entry-level talent.<p>* Infrastructure Fragility: Massive legacy codebases—built over decades—are becoming increasingly complex just as the pipeline of engineers capable of maintaining them dries up.<p>* Retirement Vacuum: As current senior architects retire or move into executive management over the next decade, companies will find a missing generation of engineers who were never given the professional environment to develop senior-level intuition.<p>The Path Forward
Resolving this crisis requires engineering leadership to recognize that seniority is an outcome of organizational investment, not a static commodity to be bought off job boards. Without dedicated onboarding pipelines, low-risk pairing models, and explicit time budgets for senior-led code review, the systems engineering ecosystem risks starving its core infrastructure of the expertise needed to sustain it.
Why are AI.Engineer talks/transcripts/presentations not available for attendes?
I am attending AI Engineer conference in SF , with roughly a 1000 attendees, these days. The ticket prices run into the ~1500 give or take 200 bucks depending on when you get them. Not petty change for everyone.<p>I was surprised when i asked for the transcripts/recordings for some of these conferences so i could do a brain dump at teh end of the day. I learned to my surprise that these were not available even to the attendees. Why? I dunno. I asked the staff at the desk and they mentioned something about youtube release and engagement. But really they had no idea why not release them at least for the attendees. Not their fault. They did graciously offer to forward my concern up the chain. Thank you to them.<p>I have ADHD specifically I have memory encoding issues. For me context(no pun intended) is literally ephemeral and i would like to convert what i learned today to important facts else it will go poof in 48-96 hours.
Show HN: Zeus – Claude Code for AI voice agents
We tried doing this with Claude Code and Codex and they were bad at it: they can't run simulated calls out of the box, don't do well with audio input and spotting problems in calls, and tend to blindly believe vendor marketing about which model is best vs actually trying the models. Zeus has evals on real calls, can simulate calls in hard situations, and listens to production calls to find problems, so it can check its own work the way a coding agent runs tests to make sure the code it
adidas Early Holiday Sneaker Deals: Up to 50% off + extra 30% off, last day + free shipping
<img src='https://d.dlnws.com/64599/1794393842-product-trimmed.png?h=134&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="For one last day, you can use the promo code "COZY" to cut an extra 30% off nearly all of the sneakers and running shoes in this section. It stacks with discounts already as high as 50%. This includes the Galaxy 7s and the Runfalcon 5s, which now start at $31.50. adidas adiClub members get free shipping on all orders, too (it's free to join). "><p>For one last day, you can use the promo code "COZY" to cut an extra 30% off nearly all of the sneakers and running shoes in this section. It stacks with discounts already as high as 50%. This includes the Galaxy 7s and the Runfalcon 5s, which now start at $31.50. adidas adiClub members get free shipping on all orders, too (it's free to join). Shop Now at adidas</p></div><div class="snippet features" title="Over 1,000 athletic sneakers listed across Originals, Performance, and Sportswear lines Men's, women's, and kids' styles included Running shoes like the Galaxy 7 start at $45 Sale prices on Originals such as the Gazelle Bold at $84 and Adistar XLG 2.0 at $90 Select styles marked w/ extra 30% off using code COZY"><div class="content-section-header">Features</div><ul class="content-section-list"><li>Over 1,000 athletic sneakers listed across Originals, Performance, and Sportswear lines</li><li>Men's, women's, and kids' styles included</li><li>Running shoes like the Galaxy 7 start at $45</li><li>Sale prices on Originals such as the Gazelle Bold at $84 and Adistar XLG 2.0 at $90</li><li>Select styles marked w/ extra 30% off using code COZY</li></ul></div>
32 Degrees Men's Twill Tech 7" Shorts for $12 + free shipping w/ $40
<img src='https://d.dlnws.com/64599/1794393811-t6smtb86rt_black_4964_7eda065f-173d-47bf-9b16-7d59c7f8716f.jpg?h=250&w=200' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="32 Degrees has these Men's Twill Tech 7" Shorts in several colors (Black pictured) for $$8.99 when you apply promo code "NEWSFB3". That makes for a savings of $33. Plus, stack coupon code "NEWS24" and you'll get free shipping on orders of $23.75 or more. They're available in several colors (Black pictured). Deal ends November 16."><p>32 Degrees has these Men's Twill Tech 7" Shorts in several colors (Black pictured) for $$8.99 when you apply promo code "NEWSFB3". That makes for a savings of $33. Plus, stack coupon code "NEWS24" and you'll get free shipping on orders of $23.75 or more. They're available in several colors (Black pictured). Deal ends November 16. Buy Now at 32 Degrees</p></div>
Ryobi 2500 PSI Cold Water Electric Pressure Washer w/ 12" Surface Cleaner for $329 + free shipping
<img src='https://d.dlnws.com/64599/1794393768-ryobi-corded-electric-pressure-washers-ry142500-ry31sc312-d4_1000.avif?h=250&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="As one of Home Depot's daily deals, this Ryobi pressure washer and surface cleaner bundle drops to $329. That's an $80 savings. The washer includes a 25-foot high-pressure hose, and 15°. soap, and turbo nozzles, as well as the 12" surface cleaner, which cleans up to four times faster than a standard nozzle. It ships for free. Deal ends today."><p>As one of Home Depot's daily deals, this Ryobi pressure washer and surface cleaner bundle drops to $329. That's an $80 savings. The washer includes a 25-foot high-pressure hose, and 15°. soap, and turbo nozzles, as well as the 12" surface cleaner, which cleans up to four times faster than a standard nozzle. It ships for free. Deal ends today. Buy Now at Home Depot</p></div><div class="snippet features" title="2500 PSI max pressure at 1.2 GPM flow Electric cold water pressure washer Includes 12" surface cleaner attachment Surface cleaner cleans up to 4X faster than a standard nozzle Caster wheels for easier moving For use on siding, fences, sidewalks, and driveways"><div class="content-section-header">Features</div><ul class="content-section-list"><li>2500 PSI max pressure at 1.2 GPM flow</li><li>Electric cold water pressure washer</li><li>Includes 12" surface cleaner attachment</li><li>Surface cleaner cleans up to 4X faster than a standard nozzle</li><li>Caster wheels for easier moving</li><li>For use on siding, fences, sidewalks, and driveways</li></ul></div>
Cozy Bliss Cooling Waterproof Queen Mattress Pad for $19 + free shipping w/ Prime
<img src='https://d.dlnws.com/64599/1794393367-71ogioplagl.jpg?h=250&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="At Amazon, get this Cozy Bliss Cooling Waterproof Queen Mattress Pad for $19. It's the best price Amazon has charged for this mattress pad. The queen size fits mattresses up to 18" deep and has a waterproof backing that the listing says stays quiet. It is machine washable, so spills and sweat are easy to clean up. Shipping is free for Prime members."><p>At Amazon, get this Cozy Bliss Cooling Waterproof Queen Mattress Pad for $19. It's the best price Amazon has charged for this mattress pad. The queen size fits mattresses up to 18" deep and has a waterproof backing that the listing says stays quiet. It is machine washable, so spills and sweat are easy to clean up. Shipping is free for Prime members. Buy Now at Amazon</p></div>
Puma Singles' Day Sale: 40% off + free shipping w/ $50
<img src='https://d.dlnws.com/64599/1705671963-dn-image-6696580.png?h=178&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="PUMA is taking an extra 40% off select sale items with promo code "FLASH40" across men's, women's, and kids' styles. Men's Voltaic Evo Fast training shoes are $59, down from $85, and Women's Court Lally Skye sneakers are $36, down from $68. The sale also covers apparel, including Essentials tees at $15 and kids' fleece hoodies at $31. Deal ends November 12."><p>PUMA is taking an extra 40% off select sale items with promo code "FLASH40" across men's, women's, and kids' styles. Men's Voltaic Evo Fast training shoes are $59, down from $85, and Women's Court Lally Skye sneakers are $36, down from $68. The sale also covers apparel, including Essentials tees at $15 and kids' fleece hoodies at $31. Deal ends November 12. Shop Now at PUMA</p></div>
Certified Refurb Dyson V9 Motorbar Cordless Stick Vacuum for $200 + free shipping
<img src='https://d.dlnws.com/64599/1794393258-product-trimmed.jpg?h=250&w=138' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="At eBay, use promo code "SHOPBRANDS20" to get this refurb Dyson V9 Motorbar Cordless Stick Vacuum for $200. It's $32 less than the price we saw last week and the best deal we've seen for this model in any condition. A 2-year Allstate warranty is included. Deal ends November 15."><p>At eBay, use promo code "SHOPBRANDS20" to get this refurb Dyson V9 Motorbar Cordless Stick Vacuum for $200. It's $32 less than the price we saw last week and the best deal we've seen for this model in any condition. A 2-year Allstate warranty is included. Deal ends November 15. Buy Now at eBay</p></div><div class="snippet features" title="Up to 40 minutes of run time per charge Motorbar cleaner head de-tangles wrapped hair Converts to a handheld vacuum Includes combination, crevice, and hair screw tools Includes wall dock and charger"><div class="content-section-header">Features</div><ul class="content-section-list"><li>Up to 40 minutes of run time per charge</li><li>Motorbar cleaner head de-tangles wrapped hair</li><li>Converts to a handheld vacuum</li><li>Includes combination, crevice, and hair screw tools</li><li>Includes wall dock and charger</li></ul></div>
Compressed Towel Tablets 50-Pack for $9 + free shipping w/ Prime
<img src='https://d.dlnws.com/64599/1794393136-61fybtp8_4l.jpg?h=236&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="At Amazon, get this Compressed Towel Tablets 50-Pack for $9.49. It's the best price we could find by $6. Each tablet expands to roughly 11.8" x 11" when wet and is individually wrapped in a waterproof case. Shipping is free for Prime members."><p>At Amazon, get this Compressed Towel Tablets 50-Pack for $9.49. It's the best price we could find by $6. Each tablet expands to roughly 11.8" x 11" when wet and is individually wrapped in a waterproof case. Shipping is free for Prime members. Buy Now at Amazon</p></div><div class="snippet features" title="Each expands in water to an 11.8" x 11" towel Made from viscose, unscented and lint-free Dual-sided texture with smooth and pearl patterns Can be used wet or dry and reused Slim pocket-size cases for travel, camping, and gym use"><div class="content-section-header">Features</div><ul class="content-section-list"><li>Each expands in water to an 11.8" x 11" towel</li><li>Made from viscose, unscented and lint-free</li><li>Dual-sided texture with smooth and pearl patterns</li><li>Can be used wet or dry and reused</li><li>Slim pocket-size cases for travel, camping, and gym use</li></ul></div>
25-Piece Corrugated Roof Panels w/ Screws & Washers for $142 + free shipping
<img src='https://d.dlnws.com/64599/1794393111-product-trimmed.png?h=250&w=245' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="AliExpress has this 25-piece set of corrugated roof panels at $141.65 when you apply the Singles' Day promo code "USAFF32". You can get the set in Matte Gray only at this price (other colors will cost you a couple of bucks more). They're made for sheds, garages, and patios. The seller, TerraTent Solutions Store, ships from the United States. The coupon expires on November 18."><p>AliExpress has this 25-piece set of corrugated roof panels at $141.65 when you apply the Singles' Day promo code "USAFF32". You can get the set in Matte Gray only at this price (other colors will cost you a couple of bucks more). They're made for sheds, garages, and patios. The seller, TerraTent Solutions Store, ships from the United States. The coupon expires on November 18. Buy Now at AliExpress</p></div><div class="snippet features" title="Set of 25 corrugated roof panels 0.04" thick UV-resistant, weatherproof material Matte gray finish Screw assembly for sheds, garages, and patios Ships from the United States"><div class="content-section-header">Features</div><ul class="content-section-list"><li>Set of 25 corrugated roof panels</li><li>0.04" thick</li><li>UV-resistant, weatherproof material</li><li>Matte gray finish</li><li>Screw assembly for sheds, garages, and patios</li><li>Ships from the United States</li></ul></div>
adidas Early Holiday Sale: Up to 60% off + extra 30% off, ends today + free shipping
<img src='https://d.dlnws.com/64599/1793959883-product-trimmed.jpg?h=159&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="For one last day, adidas has just dropped a new promo code, "COZY", that takes an extra 30% off full-price and sale items, which are already discounted by up to 60%. It yields some of the best prices we've seen on running shoes, Terrex hiking gear, jerseys, and activewear in months. Some exclusions apply. adiClub members get free shipping on all orders (and it's free to join). "><p>For one last day, adidas has just dropped a new promo code, "COZY", that takes an extra 30% off full-price and sale items, which are already discounted by up to 60%. It yields some of the best prices we've seen on running shoes, Terrex hiking gear, jerseys, and activewear in months. Some exclusions apply. adiClub members get free shipping on all orders (and it's free to join). Shop Now at adidas</p></div><div class="snippet features" title="Extra 30% off applies to full price and sale styles Covers shoes, clothing, and accessories Includes Men, Women, and Originals styles Exclusions apply"><div class="content-section-header">Features</div><ul class="content-section-list"><li>Extra 30% off applies to full price and sale styles</li><li>Covers shoes, clothing, and accessories</li><li>Includes Men, Women, and Originals styles</li><li>Exclusions apply</li></ul></div>
Macy's Black Friday 2026 deals are live: what's on sale now
Macy's says more than 1,000 of its first Black Friday deals have dropped, at up to 70% off through Nov.
Black Friday Mood GIF by Bullish Terriers
Black Friday Mood GIF by Bullish Terriers
Walmart's early Black Friday sale starts Nov. 12: Deals! Deals! Deals!
Black Friday is coming early to Walmart, and bargain hunters might want to get their shopping carts ready before the deals start dropping. Walmart kicks off its Early Black Friday sale on Thursday, ...
Mark your calendars! Walmart reveals Early Black Friday Deals, Black Friday and Cyber Monday Deals
Walmart is hosting three holiday shopping events from Nov. 12 to Dec. 2, with deals on toys, gifts, and essentials, plus ...
Abt Early Black Friday Deals: Up to 60% off + free shipping
<img src='https://d.dlnws.com/64599/1708094482-dn-image-6648130.png?h=183&w=250' style='float: left;vertical-align: top;margin: 0 8px 8px 0'><div class="snippet summary" title="Abt discounts major appliances, TVs, audio gear, small kitchen appliances, computers, fitness equipment, and furniture as part of its Early Black Friday Sale.  Brands include Whirlpool, KitchenAid, LG, Weber, Sony, NordicTrack, Ninja, Tempur-Pedic, and more.  Several items ship free."><p>Abt discounts major appliances, TVs, audio gear, small kitchen appliances, computers, fitness equipment, and furniture as part of its Early Black Friday Sale. Brands include Whirlpool, KitchenAid, LG, Weber, Sony, NordicTrack, Ninja, Tempur-Pedic, and more. Several items ship free. Shop Now at Abt</p></div>
G.H.Bass & Co. Early Black Friday Deals: Extra 30% off + $3 s&h
G.H.Bass & Co. takes an extra 30% off sale styles in cart during its Early Black Friday sale. Note that many items are final sale and cannot be returned or exchanged. Shipping adds $2.95. Shop Now at G.H. Bass & Co.
Blue Nile Holiday Sale: Up to 40% off + free shipping
Shop discounts of up to 40% off on fine jewelry in this Blue Nile holiday sale. Prices start at $72. Free two-day shipping applies to orders under $500; free overnight shipping applies to orders of $500 or more. Shop Now at Blue Nile