feat: Initial move to docker image

Dockerfile

@@ -0,0 +1,36 @@
+# Use Node.js LTS with Debian (needed for Puppeteer dependencies)
+FROM node:20-bookworm-slim
+
+# Install Chromium dependencies for Puppeteer
+RUN apt-get update && apt-get install -y \
+    chromium \
+    fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-khmeros fonts-kacst fonts-freefont-ttf \
+    libxss1 \
+    --no-install-recommends \
+    && rm -rf /var/lib/apt/lists/*
+
+# Set Puppeteer to use installed Chromium
+ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true
+ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium
+
+# Create app directory
+WORKDIR /usr/src/app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci --only=production
+
+# Copy application files
+COPY . .
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+    CMD node -e "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
+
+# Run the application
+CMD ["npm", "start"]