diff --git a/Dockerfile.web b/Dockerfile.web
index ec371e2..4bc995f 100644
--- a/Dockerfile.web
+++ b/Dockerfile.web
@@ -2,11 +2,14 @@ FROM node:25-alpine AS builder
 
 WORKDIR /app
 
+# git required by app.config.js for version derivation (has try-catch fallback)
+RUN apk add --no-cache git
+
 COPY package.json package-lock.json ./
 RUN npm ci
 
 COPY . .
-RUN NODE_OPTIONS="--max-old-space-size=2048" node /app/node_modules/.bin/expo export --platform web --output-dir dist-web
+RUN NODE_OPTIONS="--max-old-space-size=4096" node /app/node_modules/.bin/expo export --platform web --output-dir dist-web
 
 FROM nginx:1.27-alpine