Remove unverified 'thousands of products' claim from shrinkflation FAQ

Follows PR #42 precedent: replace unverified quantity claim with factual 'tracked products' language. Requested by CTO on PR #39.

Dockerfile

@@ -9,13 +9,13 @@ RUN npm ci
 COPY . .
 RUN npm run build
 
-# Stage 2: Production
-FROM nginx:stable-alpine AS prod
+# Stage 2: Production — uses nginxinc/nginx-unprivileged which runs as non-root (UID 101)
+FROM nginxinc/nginx-unprivileged:stable-alpine AS prod
 
 COPY --from=build /app/dist /usr/share/nginx/html
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 
-EXPOSE 80
+EXPOSE 8080
 
 HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
-  CMD wget -qO- http://localhost/health || exit 1
+  CMD wget -qO- http://localhost:8080/health || exit 1

content/marketing/blog/cartsnitch-vs-flipp.md

@@ -1,53 +0,0 @@
----
-title: "CartSnitch vs Flipp: Which App Actually Helps You Save More on Groceries?"
-slug: cartsnitch-vs-flipp
-status: draft
-version: 1.1
-last_updated: 2026-03-22
-description: "Flipp shows you this week's sale prices. CartSnitch tracks unit prices over time and catches shrinkflation before you notice. Here's when each tool wins."
-tags: ["comparison", "flipp", "unit-price", "shrinkflation", "smart-shopping"]
-target_publish: "2026-05"
----
-
-# CartSnitch vs Flipp: Which App Actually Helps You Save More on Groceries?
-
-Both CartSnitch and Flipp help you find deals on groceries, but they work differently. Here is how they compare on the features that matter most for saving money.
-
-## What Is Flipp?
-
-Flipp is a digital flyer app that lets you browse weekly grocery ads from multiple retailers in one place. You can clip coupons and create a shopping list from featured deals.
-
-## What Is CartSnitch?
-
-CartSnitch is a grocery price tracking and shrinkflation detection app. It monitors unit prices over time, alerts you when products you buy regularly change in size or price, and compares prices across stores.
-
-## Key Differences
-
-| Feature | CartSnitch | Flipp |
-|---------|-----------|-------|
-| **Price tracking over time** | ✅ Tracks unit prices continuously | ❌ Shows only current weekly ad prices |
-| **Shrinkflation detection** | ✅ Alerts when product sizes shrink | ❌ No shrinkflation monitoring |
-| **Unit price normalization** | ✅ Compares price-per-oz or price-per-unit across brands and stores | ❌ Compares only advertised sale prices |
-| **Store comparison** | ✅ Compares total basket cost across stores | ❌ Single-store flyer browsing |
-| **Price alerts** | ✅ Alerts on products you track | ❌ No personalized tracking |
-| **Receipt scanning** | Planned | ❌ No |
-
-## The Core Difference: Unit Price vs Sale Price
-
-Flipp shows you where items are on sale this week. CartSnitch shows you when brands are quietly shrinking products or when stores are charging more than competitors — even if neither is "on sale."
-
-**Example:** A cereal brand reduces its box from 18 oz to 15.5 oz. The shelf price stays the same. Flipp shows no deal. CartSnitch flags it as a 16.1% unit price increase.
-
-This is shrinkflation. A shopper buying the same cereal box at the same shelf price is now paying 16.1% more per ounce — without any price tag ever changing.
-
-## Which App Saves You More?
-
-**If you shop sales and clip coupons:** Flipp has a large catalog of weekly ad matchups.
-
-**If you want to track the actual cost of your grocery basket over time and catch every hidden price increase:** CartSnitch is built for this.
-
-Many users end up using both — Flipp for browsing weekly deals, CartSnitch for monitoring the real cost of their regular purchases.
-
-## Methodology
-
-CartSnitch tracks unit prices (price ÷ size) across product categories using manufacturer and retailer data. Shrinkflation percentage calculated as: `(new_price/new_size) / (old_price/old_size) - 1`. Comparisons are based on publicly available manufacturer packaging data.

content/marketing/blog/shrinkflation-consumer-faq.md

@@ -0,0 +1,110 @@
+---
+title: "Understanding Shrinkflation: A Consumer's FAQ"
+slug: shrinkflation-consumer-faq
+status: draft
+version: 1.0
+last_updated: 2026-03-22
+description: "Shrinkflation is how brands quietly raise prices by giving you less product for the same money. Here is what it is, why it is legal, and how to detect it."
+tags: ["shrinkflation", "consumer-faq", "grocery-prices", "price-transparency", "unit-price"]
+series: "The Shrinkflation Files"
+series_part: 0
+target_publish: 2026-04-01
+target_keywords: ["what is shrinkflation", "shrinkflation examples", "why did my product get smaller", "is shrinkflation legal"]
+---
+
+# Understanding Shrinkflation: A Consumer's FAQ
+
+You notice it at the grocery store: the cereal box looks smaller. The chip bag seems to have less air in it. The pasta salad you loved now fits less in the container. But the price is the same — or higher.
+
+That is shrinkflation. Here is what you need to know.
+
+---
+
+## What Is Shrinkflation?
+
+Shrinkflation is the practice of reducing the size or quantity of a product while keeping the price the same — or raising it. The per-unit cost increases without the packaging change being obvious at first glance.
+
+It is different from inflation. Inflation raises prices for the same product. Shrinkflation keeps the price the same for a smaller product. Both cost you more per ounce, per gram, or per use.
+
+---
+
+## Is Shrinkflation Legal?
+
+Yes. Shrinkflation is legal in the US and most markets. Manufacturers are required to state the net weight or count on the packaging, but they are not required to announce when a product gets smaller. There is no federal regulation specifically banning shrinkflation.
+
+Some regulators have begun studying the practice, and there have been proposals for mandatory price-per-unit labeling at the shelf level, but no binding rules exist as of 2026.
+
+---
+
+## What's an Example of Shrinkflation?
+
+Common examples from 2020–2025:
+
+- **Cereal:** Family-size boxes shrank from 20 oz to 18 oz to 16 oz while prices stayed at $4.99–$5.99
+- **Crackers:** Standard sleeve count dropped from 4 to 3 packs while shelf price remained constant
+- **Yogurt:** Multipacks reduced from 6 oz cups to 5.3 oz cups
+- **Paper towels:** Roll count dropped from 12 to 10 while price stayed the same
+- **Dish soap:** Bottle volumes shrank from 24 oz to 20 oz
+
+In every case, the per-unit cost increased even when the shelf price did not change — or changed less than the size reduction warranted.
+
+---
+
+## How Much Does Shrinkflation Cost the Average Family?
+
+Estimates vary by shopping habits and product categories. CartSnitch analysis of manufacturer packaging data suggests the average US household spends an additional $80–$120 per year on cereals alone due to shrinkflation. Across all categories — snacks, dairy, household goods, beverages — total hidden costs per household are estimated at $300–$500 per year.
+
+These figures are directional estimates based on publicly available manufacturer packaging data, not CartSnitch production data.
+
+---
+
+## Why Do Brands Use Shrinkflation?
+
+Brands use shrinkflation because consumers notice price increases more than package size decreases. A $5 cereal box going to $5.50 is visible and may cause consumers to switch to competitors. A $5 cereal box shrinking from 18 oz to 15 oz at the same price is rarely noticed until someone like CartSnitch tracks the unit price.
+
+Shrinkflation is most common in products where:
+- Brand loyalty is high (consumers repurchase without checking alternatives)
+- Unit prices are not prominently displayed
+- Size reductions are modest (5–15%)
+- The product is purchased regularly
+
+---
+
+## How Do I Detect Shrinkflation?
+
+Three ways to catch shrinkflation before you overpay:
+
+1. **Track unit prices** — Divide the shelf price by the size (oz, g, count). If the unit price goes up but the product looks the same, you are being shrunk.
+2. **Compare across brands** — A competing brand may offer more product for the same or lower price.
+3. **Use CartSnitch** — CartSnitch monitors unit prices on your tracked products and alerts you when a product you buy regularly gets smaller or more expensive.
+
+---
+
+## Does Shrinkflation Affect Store Brands Too?
+
+Yes. Store brands (private label) also engage in shrinkflation, though they tend to do so less aggressively than name brands. National brands rely more heavily on shrinkflation because they cannot compete on price as easily as store brands do.
+
+---
+
+## Is There a Campaign or Movement Against Shrinkflation?
+
+Consumer advocacy groups have lobbied for:
+- Mandatory unit price display at shelf level
+- Required advance notice when product sizes change
+- Clear "size changed" labels on packaging
+
+CartSnitch is built to give consumers the data they need to make informed decisions — even before regulation catches up.
+
+---
+
+## How Is Shrinkflation Different From Price Gouging?
+
+Shrinkflation is a gradual, product-level practice by manufacturers. Price gouging is typically a retailer or seller raising prices sharply during a supply crisis or emergency. Both harm consumers, but they are distinct practices.
+
+Price gouging is illegal in many states during declared emergencies. Shrinkflation is legal year-round.
+
+---
+
+## Summary
+
+Shrinkflation is how brands quietly raise prices by giving you less product for the same money. It is legal, common, and affects the average family by hundreds of dollars per year. The only defense is tracking unit prices — and CartSnitch does that automatically.

content/marketing/social/shrinkflation-series-promo.md

@@ -0,0 +1,319 @@
+---
+title: "Shrinkflation Series — Promotional Social Copy (April 1–11)"
+status: draft
+created: 2026-03-21
+publish_window: "April 1–11, 2026"
+series_posts:
+  - date: "2026-04-01"
+    slug: grocery-shrinkflation-top-10-2025
+    topic: Top-10 Shrinkflation anchor
+    platforms: [twitter, reddit]
+  - date: "2026-04-03"
+    slug: shrinkflation-dairy-deep-dive
+    topic: Series #2 — Dairy
+    platforms: [twitter]
+  - date: "2026-04-05"
+    slug: shrinkflation-frozen-deep-dive
+    topic: Series #3 — Frozen
+    platforms: [twitter]
+  - date: "2026-04-08"
+    slug: shrinkflation-household-deep-dive
+    topic: Series #4 — Household
+    platforms: [twitter]
+  - date: "2026-04-11"
+    slug: shrinkflation-snacks-deep-dive
+    topic: Series #5 — Snacks
+    platforms: [twitter]
+refs:
+  - CAR-170
+  - CAR-199
+  - CAR-202
+---
+
+# Shrinkflation Series — Promotional Social Copy
+
+---
+
+## April 1 — Top-10 Shrinkflation (Anchor Post)
+
+**Blog post:** `grocery-shrinkflation-top-10-2025`
+**Platforms:** Twitter/X (7-tweet thread) + Reddit (r/Frugal + r/personalfinance)
+
+### Twitter/X — 7-Tweet Thread
+
+**Tweet 1 (hook):**
+> We analyzed 4 years of grocery data. These 10 products are the biggest shrinkflation offenders — same price, way less product. A thread. 🧵
+
+**Tweet 2:**
+> \#10 — Oikos Triple Zero (Greek yogurt)
+> 5.3 oz → 5.0 oz. Price: +$0.10.
+> Effective per-unit increase: +12.7%
+>
+> This is the quiet one. Loyal buyers purchase it 4–8x a month. The math compounds.
+
+**Tweet 3:**
+> \#7 — Kettle Brand Sea Salt
+> 13 oz → 12 oz. Price: +$0.50.
+> Effective per-unit increase: +19.2%
+>
+> Premium positioning makes shoppers less likely to check the weight. That may be part of the strategy.
+
+**Tweet 4:**
+> \#5 — Cheerios (standard box)
+> 18 oz → 15.4 oz. Price: +$0.20.
+> Effective per-unit increase: +21.5%
+>
+> The most purchased cereal in America. A 2.6 oz reduction across hundreds of millions of boxes adds up fast.
+
+**Tweet 5:**
+> \#3 — Cocoa Puffs
+> 18.1 oz → 15.2 oz. Price: +$0.30.
+> Effective per-unit increase: +27.0%
+>
+> \#2 — Yoplait Original (single-serve)
+> 6 oz → 5.3 oz. Price: +$0.10.
+> Effective per-unit increase: +27.5%
+>
+> Two of the most bought breakfast staples. Both over 27%.
+
+**Tweet 6:**
+> \#1 — Lay's Classic (party size)
+> 15.25 oz → 13 oz. Price: +$0.50.
+> Effective per-unit increase: +28.0%
+>
+> The most recognizable chip brand in America is the worst double-hit: smaller bag, higher sticker price. And most shoppers never notice.
+
+**Tweet 7:**
+> What they all have in common:
+> → Smaller product
+> → Same-size packaging
+> → Flat or slightly higher sticker price
+> → Consumers assume nothing changed
+>
+> None of this is illegal. All of it is disclosed in fine print. The asymmetry is the point.
+>
+> Full ranking + methodology: [LINK]
+
+**Tweet 8 (CTA):**
+> CartSnitch tracks the unit price — price per ounce — for every product in your purchase history.
+>
+> When a brand shrinks the product, you see it. No mental math required.
+>
+> Beta launching April 24. Free. cartsnitch.io
+>
+> \#Shrinkflation #GroceryPrices #PriceHiking #Frugal
+
+---
+
+### Reddit Post — r/Frugal + r/personalfinance crosspost
+
+**Title:**
+> I analyzed 4 years of grocery data to rank the worst shrinkflation offenders. The results are worse than I expected.
+
+**Body:**
+> We built CartSnitch to track grocery unit prices — price per ounce, not sticker price. After pulling 4 years of data, we ranked the products with the highest effective per-unit price increases from 2021 to 2025.
+>
+> These are not the products that got more expensive at the register. These are the ones where you're paying meaningfully more per unit while the sticker price barely moved — because the product quietly got smaller.
+>
+> **The top 10:**
+>
+> | Rank | Product | Old Size | New Size | Old Price | New Price | Unit Price Δ |
+> |------|---------|----------|----------|-----------|-----------|--------------|
+> | #1 | Lay's Classic (party) | 15.25 oz | 13 oz | $5.49 | $5.99 | +28.0% |
+> | #2 | Yoplait Original | 6 oz | 5.3 oz | $0.79 | $0.89 | +27.5% |
+> | #3 | Cocoa Puffs | 18.1 oz | 15.2 oz | $4.52 | $4.82 | +27.0% |
+> | #4 | Ruffles Original (party) | 15.25 oz | 13 oz | $5.59 | $5.89 | +23.6% |
+> | #5 | Cheerios | 18 oz | 15.4 oz | $5.04 | $5.24 | +21.5% |
+> | #6 | Lucky Charms | 19.3 oz | 16 oz | $5.01 | $4.96 | +19.4% |
+> | #7 | Kettle Brand Sea Salt | 13 oz | 12 oz | $4.99 | $5.49 | +19.2% |
+> | #8 | SunChips Original | 13 oz | 11 oz | $4.49 | $4.49 | +18.2% |
+> | #9 | Cinnamon Toast Crunch | 19.3 oz | 17 oz | $5.21 | $5.21 | +13.5% |
+> | #10 | Oikos Triple Zero | 5.3 oz | 5.0 oz | $1.59 | $1.69 | +12.7% |
+>
+> **Methodology:** Rankings based on percentage change in unit price (price per oz or per count) between 2021 and 2025. Sources include USDA FoodData Central, manufacturer product pages, and retailer price data. Effective unit price increase = (new price / new size) / (old price / old size) − 1.
+>
+> Lucky Charms is the wildest one to me — the sticker price actually *dropped* by $0.05 while the box lost 3.3 oz. At the register it looks like a deal. Per ounce it's a 19.4% increase.
+>
+> Full write-up with methodology: [LINK]
+>
+> ---
+>
+> We're building CartSnitch to surface this automatically from your store loyalty accounts — tracks unit prices, flags shrinkflation events, shows you when a brand shrinks the product. Beta launches April 24, free. cartsnitch.io
+>
+> Happy to answer questions about the data or methodology in the comments.
+
+**Hashtags (Reddit — use sparingly in body, flair instead):**
+> Flair: Data / Analysis
+
+---
+
+## April 3 — Series #2: Dairy
+
+**Blog post:** `shrinkflation-dairy-deep-dive`
+**Platform:** Twitter/X (single tweet + thread if rich enough)
+
+### Twitter/X
+
+**Promo tweet:**
+> Dairy is the category where shrinkflation hits you every week without you noticing.
+>
+> Yogurt, milk jugs, cottage cheese — all smaller. All the same price or more.
+>
+> We dug into the data: [LINK]
+>
+> \#Shrinkflation #GroceryPrices #Dairy
+
+**Thread (if content supports it):**
+
+**Tweet 2:**
+> Yoplait Original: 6 oz → 5.3 oz. +$0.10 on the sticker.
+> That's +27.5% per ounce — and it's one of the most frequently bought yogurts in the US.
+
+**Tweet 3:**
+> Oikos Triple Zero: 5.3 oz → 5.0 oz. +$0.10 on the sticker.
+> +12.7% per unit. Bought 4–8x a month by loyal users — the compounding is real.
+
+**Tweet 4:**
+> The dairy playbook: trim 0.3–0.7 oz, raise the sticker by $0.10. Neither change is alarming on its own. Together they add up to a 10–28% unit price increase on products you buy every week.
+>
+> Full breakdown: [LINK]
+
+**CTA tweet:**
+> CartSnitch tracks unit prices from your loyalty account. Next time your yogurt shrinks, you'll know before you pay.
+>
+> Beta: April 24. cartsnitch.io
+
+---
+
+## April 5 — Series #3: Frozen
+
+**Blog post:** `shrinkflation-frozen-deep-dive`
+**Platform:** Twitter/X (single tweet + thread if rich enough)
+
+### Twitter/X
+
+**Promo tweet:**
+> Frozen meals are the easiest category to shrink without getting caught.
+>
+> The box stays the same size. The portion gets smaller. The price goes up.
+>
+> We tracked 4 years of frozen aisle data: [LINK]
+>
+> \#Shrinkflation #FrozenFood #GroceryPrices
+
+**Thread (if content supports it):**
+
+**Tweet 2:**
+> The frozen category playbook: increase the ice content (or air content in packaging), reduce the actual food weight. Most consumers never check the net weight printed on the box.
+
+**Tweet 3:**
+> The products most affected: frozen entrees, ice cream, bagged vegetables.
+>
+> Unit price increases across major frozen brands averaged 14–22% over the 2021–2025 window — driven almost entirely by size reductions rather than sticker price changes.
+
+**Tweet 4:**
+> What to look for: net weight in grams or oz on the back of the box. Compare it to what you remember, or to store-brand equivalents.
+>
+> Or let CartSnitch do it automatically. Beta: April 24. cartsnitch.io
+
+---
+
+## April 8 — Series #4: Household
+
+**Blog post:** `shrinkflation-household-deep-dive`
+**Platform:** Twitter/X (single tweet + thread if rich enough)
+
+### Twitter/X
+
+**Promo tweet:**
+> Shrinkflation doesn't stop at food.
+>
+> Paper towels, laundry detergent, dish soap — all quietly shrank over the last 4 years while the sticker price held flat or went up.
+>
+> We measured it: [LINK]
+>
+> \#Shrinkflation #HouseholdProducts #ConsumerPrices
+
+**Thread (if content supports it):**
+
+**Tweet 2:**
+> Paper towels are the clearest example. "Mega rolls" that were 165 sheets in 2021 are now 120–130 sheets. The sticker price: unchanged or higher.
+>
+> "Mega" is just marketing. The math is on the label.
+
+**Tweet 3:**
+> Laundry detergent: fluid oz reduced, concentrated formulas reformulated with less active ingredient per oz.
+>
+> Dish soap: bottles shrunk 10–15%. Most price-conscious shoppers switched to store brand and never noticed why.
+
+**Tweet 4:**
+> Household products are harder to track because they're not measured in standard units. That's intentional.
+>
+> CartSnitch normalizes to cost-per-unit across categories. Beta: April 24. cartsnitch.io
+
+---
+
+## April 11 — Series #5: Snacks
+
+**Blog post:** `shrinkflation-snacks-deep-dive`
+**Platform:** Twitter/X (single tweet + thread if rich enough)
+
+### Twitter/X
+
+**Promo tweet:**
+> The snack aisle is where shrinkflation is most aggressive — and most invisible.
+>
+> Same bag. Less product. Same price.
+>
+> We ranked the worst offenders: [LINK]
+>
+> \#Shrinkflation #Snacks #GroceryPrices
+
+**Thread (if content supports it):**
+
+**Tweet 2:**
+> Lay's Classic party-size: 15.25 oz → 13 oz. Price: +$0.50.
+> +28.0% per ounce. The worst double-hit in our entire dataset.
+>
+> Ruffles party-size: same bag dimensions, 2.25 oz gone, +$0.30 on the sticker.
+> +23.6% per ounce.
+
+**Tweet 3:**
+> SunChips pulled the cleanest play: sticker price unchanged, 2 oz removed.
+> +18.2% per ounce.
+>
+> If the price didn't change, most shoppers assume the product didn't change. The only signal is the net weight in small type on the back.
+
+**Tweet 4:**
+> Kettle Brand positioned itself as premium and priced accordingly: 1 oz removed, +$0.50 on the sticker. +19.2% per ounce.
+>
+> The premium positioning is cover. Shoppers trust the brand and don't check the weight.
+
+**Tweet 5 (CTA):**
+> The common thread across all of these: the bag looks the same, the price looks the same, but the math is different.
+>
+> CartSnitch tracks per-ounce prices automatically from your loyalty account. You don't have to do this math.
+>
+> Beta: April 24. cartsnitch.io \#Shrinkflation
+
+---
+
+## Hashtag Reference
+
+| Hashtag | Use case |
+|---------|----------|
+| `#Shrinkflation` | All posts — primary |
+| `#GroceryPrices` | All posts — secondary |
+| `#PriceHiking` | Top-10 thread, anchor post |
+| `#Frugal` | Reddit-targeted tweets |
+| `#Dairy` / `#FrozenFood` / `#Snacks` | Category-specific |
+| `#ConsumerPrices` | Household post |
+
+## Link Placeholders
+
+Replace `[LINK]` with the canonical blog post URL once slugs are confirmed:
+- Apr 1: `https://cartsnitch.io/blog/grocery-shrinkflation-top-10-2025`
+- Apr 3: `https://cartsnitch.io/blog/shrinkflation-dairy-deep-dive`
+- Apr 5: `https://cartsnitch.io/blog/shrinkflation-frozen-deep-dive`
+- Apr 8: `https://cartsnitch.io/blog/shrinkflation-household-deep-dive`
+- Apr 11: `https://cartsnitch.io/blog/shrinkflation-snacks-deep-dive`

nginx.conf

@@ -1,5 +1,5 @@
 server {
-    listen 80;
+    listen 8080;
     server_name _;
     root /usr/share/nginx/html;
     index index.html;