Update app and ignore local artifacts

Dockerfile

@@ -0,0 +1,15 @@
+# Build the Expo Router web bundle. Expo replaces EXPO_PUBLIC_* values at export time.
+FROM node:22-bookworm-slim AS web-build
+WORKDIR /app
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY . .
+ARG EXPO_PUBLIC_API_URL=/api/v1
+ENV EXPO_PUBLIC_API_URL=$EXPO_PUBLIC_API_URL
+RUN npx expo export --platform web
+
+# Serve the static bundle and proxy same-origin API traffic.
+FROM nginx:1.27-alpine AS web
+COPY docker/nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=web-build /app/dist /usr/share/nginx/html
+EXPOSE 80