feat(deploy): CI/CD Gitea Actions + stack Docker prod pour xip.kerboul.me

- docker-compose.prod.yml: postgres + redis + backend (bun) + web (nginx single-origin)
- backend/Dockerfile + entrypoint: prisma migrate deploy + seed idempotent au boot
- frontend/Dockerfile: build Vite (VITE_API_URL=https://xip.kerboul.me) servi par nginx
- deploy/nginx.conf: proxy /api + /ws vers le backend, SPA fallback
- .gitea/workflows/deploy.yml: auto-deploy SSH sur push main (runner CT121 -> CT502)
- scripts/deploy.sh: pull + rebuild de la stack
- mode open-bar (XIP_OPEN_BAR): paywall off pour tous en prod, via isFree() centralise

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

backend/src/lib/catalog.ts

@@ -1,6 +1,6 @@
 import { prisma } from "./prisma";
 import { spend, getWallet, InsufficientCreditsError } from "./wallet";
-import { isLocalhost } from "./ip";
+import { isFree } from "./ip";
 import { invalidatePerks, getPerksForIp } from "./perks";
 
 /**
@@ -105,7 +105,7 @@ export async function purchase(
   const product = await getProduct(productId);
   if (!product || !product.active) throw new PurchaseError("Produit introuvable", 404);
 
-  const free = isLocalhost(ip);
+  const free = isFree(ip);
   const price = effectivePrice(product, options);
 
   // Resolve which entitlement kind(s) this grants + per-IP limit checks.

backend/src/lib/ip.ts

@@ -36,3 +36,13 @@ export function isLocalhost(ip: string): boolean {
     ip.startsWith("127.")
   );
 }
+
+/**
+ * Free mode: the paywall is OFF. True on localhost (README rule "si localhost:
+ * pas de paywall"), OR whenever the deployment sets XIP_OPEN_BAR=true — the prod
+ * "open bar" where every paid feature is free for everyone. Every paywall gate
+ * in the app routes through this single helper.
+ */
+export function isFree(ip: string): boolean {
+  return process.env.XIP_OPEN_BAR === "true" || isLocalhost(ip);
+}

backend/src/lib/wallet.ts

@@ -1,6 +1,6 @@
 import { prisma } from "./prisma";
 import { redis } from "./redis";
-import { isLocalhost } from "./ip";
+import { isFree } from "./ip";
 
 /**
  * Wallet engine — fictional "crédits XIP", keyed on IP (no accounts).
@@ -41,7 +41,7 @@ export async function ensureWallet(ip: string): Promise<void> {
 }
 
 export async function getWallet(ip: string): Promise<WalletView> {
-  if (isLocalhost(ip)) return { ip, balance: INFINITE, freeMode: true };
+  if (isFree(ip)) return { ip, balance: INFINITE, freeMode: true };
   await ensureWallet(ip);
   const w = await prisma.wallet.findUnique({ where: { ip } }).catch(() => null);
   const balance = w?.balance ?? 0;
@@ -51,7 +51,7 @@ export async function getWallet(ip: string): Promise<WalletView> {
 
 /** Free, instant, satirical top-up. No-op for localhost (already infinite). */
 export async function topUp(ip: string, amount = TOPUP_AMOUNT): Promise<WalletView> {
-  if (isLocalhost(ip)) return { ip, balance: INFINITE, freeMode: true };
+  if (isFree(ip)) return { ip, balance: INFINITE, freeMode: true };
   await ensureWallet(ip);
   const w = await prisma.wallet.update({
     where: { ip },
@@ -83,7 +83,7 @@ export async function spend(
   reason: string,
   meta?: Record<string, unknown>
 ): Promise<number> {
-  if (isLocalhost(ip)) return INFINITE;
+  if (isFree(ip)) return INFINITE;
   if (amount <= 0) {
     // Free item — still record the (zero) purchase for history, no balance change.
     const w = await getWallet(ip);

backend/src/routes/alert.ts

@@ -1,5 +1,5 @@
 import { Hono } from "hono";
-import { getClientIp, isLocalhost } from "../lib/ip";
+import { getClientIp, isFree } from "../lib/ip";
 import { prisma } from "../lib/prisma";
 import { redis } from "../lib/redis";
 import { spend } from "../lib/wallet";
@@ -24,7 +24,7 @@ alert.post("/", async (c) => {
   }
 
   // Must own the audio-alert entitlement (localhost bypasses).
-  if (!isLocalhost(ip)) {
+  if (!isFree(ip)) {
     const owned = await prisma.entitlement.findFirst({
       where: { ip, kind: "audio-alert", active: true },
     });

backend/src/routes/messages.ts

@@ -1,6 +1,6 @@
 import { Hono } from "hono";
 import { prisma } from "../lib/prisma";
-import { getClientIp, isLocalhost } from "../lib/ip";
+import { getClientIp, isFree } from "../lib/ip";
 import { recordMessage } from "../lib/stats";
 import { broadcastNewMessage } from "../realtime";
 import { getPerksForIp, getPerksForIps } from "../lib/perks";
@@ -11,7 +11,7 @@ const RICH_MAX = 64 * 1024; // 64 KB cap on rich markup
 
 /** Does this IP own the entitlement needed for a rich tier? */
 async function ownsRich(ip: string, mode: "htmlcss" | "js"): Promise<boolean> {
-  if (isLocalhost(ip)) return true;
+  if (isFree(ip)) return true;
   const kind = mode === "js" ? "rich-js" : "rich-htmlcss";
   const now = new Date();
   const rows = await prisma.entitlement.findMany({ where: { ip, kind, active: true } });

backend/src/routes/uploads.ts

@@ -1,7 +1,7 @@
 import { Hono } from "hono";
 import { randomUUID } from "node:crypto";
 import { prisma } from "../lib/prisma";
-import { getClientIp, isLocalhost } from "../lib/ip";
+import { getClientIp, isFree } from "../lib/ip";
 import { storeFile, absolutePathFor } from "../lib/storage";
 
 const uploads = new Hono();
@@ -10,7 +10,7 @@ const FREE_LIMIT = 1_000_000; // 1 Mo for the free tier (README)
 const ABSOLUTE_MAX = 50_000_000; // hard cap even for paid, to protect the dev box
 
 async function ownsNoFileLimit(ip: string): Promise<boolean> {
-  if (isLocalhost(ip)) return true;
+  if (isFree(ip)) return true;
   const rows = await prisma.entitlement.findMany({
     where: { ip, kind: "no-file-limit", active: true },
   });