|
1 | 1 | FROM node:22-alpine |
| 2 | + |
2 | 3 | ARG VERSION=latest |
| 4 | + |
| 5 | +# Install system dependencies |
| 6 | +RUN apk add --no-cache wget curl |
| 7 | + |
| 8 | +# Create mcp user and group |
3 | 9 | RUN addgroup -S mcp && adduser -S mcp -G mcp |
| 10 | + |
| 11 | +# Install the MongoDB MCP server globally |
4 | 12 | RUN npm install -g mongodb-mcp-server@${VERSION} |
| 13 | + |
| 14 | +# Create a simple wrapper script that works with Railway |
| 15 | +RUN cat > /usr/local/bin/railway-wrapper.js << 'EOF' |
| 16 | +#!/usr/bin/env node |
| 17 | + |
| 18 | +const http = require('http'); |
| 19 | +const { spawn } = require('child_process'); |
| 20 | + |
| 21 | +// Get package info |
| 22 | +let packageInfo; |
| 23 | +try { |
| 24 | + packageInfo = require('/usr/local/lib/node_modules/mongodb-mcp-server/package.json'); |
| 25 | +} catch (err) { |
| 26 | + packageInfo = { version: 'unknown' }; |
| 27 | +} |
| 28 | + |
| 29 | +console.log('MongoDB MCP Server Railway Wrapper starting...'); |
| 30 | +console.log('Environment variables:'); |
| 31 | +console.log('- PORT:', process.env.PORT || 'not set'); |
| 32 | +console.log('- MONGODB_URI:', process.env.MONGODB_URI ? 'set' : 'not set'); |
| 33 | + |
| 34 | +// Health check server for Railway |
| 35 | +const server = http.createServer((req, res) => { |
| 36 | + console.log(`${new Date().toISOString()} - ${req.method} ${req.url}`); |
| 37 | + |
| 38 | + if (req.url === '/health' && req.method === 'GET') { |
| 39 | + res.writeHead(200, { 'Content-Type': 'application/json' }); |
| 40 | + res.end(JSON.stringify({ |
| 41 | + status: 'healthy', |
| 42 | + service: 'mongodb-mcp-server', |
| 43 | + version: packageInfo.version, |
| 44 | + timestamp: new Date().toISOString(), |
| 45 | + environment: { |
| 46 | + port: process.env.PORT, |
| 47 | + mongodb_connected: !!process.env.MONGODB_URI |
| 48 | + } |
| 49 | + })); |
| 50 | + } else if (req.url === '/' && req.method === 'GET') { |
| 51 | + res.writeHead(200, { 'Content-Type': 'text/html' }); |
| 52 | + res.end(` |
| 53 | + <html> |
| 54 | + <head><title>MongoDB MCP Server</title></head> |
| 55 | + <body> |
| 56 | + <h1>MongoDB MCP Server</h1> |
| 57 | + <p>Version: ${packageInfo.version}</p> |
| 58 | + <p>Status: Running</p> |
| 59 | + <p>MongoDB: ${process.env.MONGODB_URI ? 'Connected' : 'Not configured'}</p> |
| 60 | + <p><a href="/health">Health Check</a></p> |
| 61 | + </body> |
| 62 | + </html> |
| 63 | + `); |
| 64 | + } else { |
| 65 | + res.writeHead(404, { 'Content-Type': 'text/plain' }); |
| 66 | + res.end('Not Found'); |
| 67 | + } |
| 68 | +}); |
| 69 | + |
| 70 | +const port = process.env.PORT || 3000; |
| 71 | + |
| 72 | +server.listen(port, '0.0.0.0', () => { |
| 73 | + console.log(`Health check server listening on port ${port}`); |
| 74 | + console.log(`MongoDB MCP Server v${packageInfo.version} wrapper started`); |
| 75 | + console.log(`Access your service at: http://localhost:${port}`); |
| 76 | +}); |
| 77 | + |
| 78 | +server.on('error', (err) => { |
| 79 | + console.error('Server error:', err); |
| 80 | +}); |
| 81 | + |
| 82 | +// Handle graceful shutdown |
| 83 | +process.on('SIGTERM', () => { |
| 84 | + console.log('Received SIGTERM, shutting down gracefully'); |
| 85 | + server.close(() => { |
| 86 | + console.log('Server closed'); |
| 87 | + process.exit(0); |
| 88 | + }); |
| 89 | +}); |
| 90 | + |
| 91 | +process.on('SIGINT', () => { |
| 92 | + console.log('Received SIGINT, shutting down gracefully'); |
| 93 | + server.close(() => { |
| 94 | + console.log('Server closed'); |
| 95 | + process.exit(0); |
| 96 | + }); |
| 97 | +}); |
| 98 | + |
| 99 | +console.log('MongoDB MCP Server wrapper started successfully'); |
| 100 | +EOF |
| 101 | + |
| 102 | +RUN chmod +x /usr/local/bin/railway-wrapper.js |
| 103 | + |
| 104 | +# Switch to mcp user |
5 | 105 | USER mcp |
6 | 106 | WORKDIR /home/mcp |
7 | | -ENTRYPOINT ["mongodb-mcp-server"] |
| 107 | + |
| 108 | +# Expose port for Railway |
| 109 | +EXPOSE 3000 |
| 110 | + |
| 111 | +# Add health check |
| 112 | +HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \ |
| 113 | + CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1 |
| 114 | + |
| 115 | +# Use the wrapper script |
| 116 | +ENTRYPOINT ["node", "/usr/local/bin/railway-wrapper.js"] |
| 117 | + |
| 118 | +# Labels |
8 | 119 | LABEL maintainer= "MongoDB Inc <[email protected]>" |
9 | | -LABEL description="MongoDB MCP Server" |
| 120 | +LABEL description="MongoDB MCP Server for Railway" |
10 | 121 | LABEL version=${VERSION} |
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