diff --git a/Dockerfile b/Dockerfile
index b75fc11..bdc953a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,19 +1,19 @@
-FROM node:22-slim
+FROM node:22-bookworm-slim
 
-# Chrome deps
+# Install Chromium (works on ARM and x86)
 RUN apt-get update && apt-get install -y --no-install-recommends \
-  libatk1.0-0t64 libatk-bridge2.0-0t64 libcups2t64 libdrm2 \
-  libxkbcommon0 libxcomposite1 libxdamage1 libxfixes3 libxrandr2 \
-  libgbm1 libpango-1.0-0 libpangocairo-1.0-0 libcairo2 \
-  libasound2t64 libnspr4 libnss3 fonts-liberation \
+  chromium fonts-liberation \
   && rm -rf /var/lib/apt/lists/*
 
+ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true
+ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium
+
 WORKDIR /app
 COPY package*.json ./
 RUN npm ci --omit=dev
 COPY dist/ dist/
+COPY public/ public/
 
 ENV PORT=3100
 EXPOSE 3100
-USER node
 CMD ["node", "dist/index.js"]
diff --git a/src/services/browser.ts b/src/services/browser.ts
index 448de6b..acb831a 100644
--- a/src/services/browser.ts
+++ b/src/services/browser.ts
@@ -3,9 +3,11 @@ import puppeteer, { Browser, Page } from "puppeteer";
 let browser: Browser | null = null;
 
 export async function initBrowser(): Promise<void> {
+  const execPath = process.env.PUPPETEER_EXECUTABLE_PATH || undefined;
   browser = await puppeteer.launch({
     headless: true,
-    args: ["--no-sandbox", "--disable-setuid-sandbox", "--disable-gpu"],
+    executablePath: execPath,
+    args: ["--no-sandbox", "--disable-setuid-sandbox", "--disable-gpu", "--disable-dev-shm-usage"],
   });
   console.log("Browser pool ready");
 }