Add Discord notifications for image generation and snapshot creation

Dockerfile

@@ -1,6 +1,6 @@
 FROM node:18-slim
 
-# Install dependencies for Puppeteer/Chrome
+# Install dependencies for Puppeteer/Chrome and Playwright + ffmpeg
 RUN apt-get update && apt-get install -y \
     wget \
     gnupg \
@@ -25,6 +25,7 @@ RUN apt-get update && apt-get install -y \
     libxkbcommon0 \
     libxrandr2 \
     xdg-utils \
+    ffmpeg \
     && rm -rf /var/lib/apt/lists/*
 
 WORKDIR /app
@@ -33,8 +34,14 @@ COPY package*.json ./
 
 RUN npm install
 
+# install playwright browsers
+RUN npx playwright install chromium --with-deps
+
 COPY . .
 
+# create temp videos directory
+RUN mkdir -p /tmp/videos
+
 EXPOSE 3000
 
 CMD ["node", "api.js"]