Add Dockerfile for Docker MCP registry support

- Use Puppeteer base image with Chrome pre-installed
- Build and run chrome-devtools-mcp server
- Enable Docker container deployment

Author: Jake Daniels

Dockerfile

@@ -0,0 +1,26 @@
+# Use Node.js 20 with Puppeteer (includes Chrome)
+FROM ghcr.io/puppeteer/puppeteer:24.1.0
+
+# Set working directory
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci
+
+# Copy source code
+COPY . .
+
+# Build the project
+RUN npm run build
+
+# Set user to non-root for security
+USER pptruser
+
+# Expose MCP port (stdio transport doesn't need exposed ports, but good practice)
+# MCP uses stdio by default when run with npx
+
+# Run the MCP server
+CMD ["node", "build/src/index.js"]