#!/usr/bin/env node
/**
* Startup Dependency Check
*
* Runs before the main server starts to validate all required
* dependencies can be loaded. Provides clear error messages
* instead of cryptic Node.js module resolution errors.
*
* This script is designed to run in the production Docker container.
*/
const REQUIRED_PACKAGES = [
// Core runtime dependencies (externalized by tsup)
"drizzle-orm",
"pg",
"zod",
"atomically",
// Add more as needed
];
const RED = "\x1b[31m";
const GREEN = "\x1b[32m";
const YELLOW = "\x1b[33m";
const CYAN = "\x1b[36m";
const RESET = "\x1b[0m";
const BOLD = "\x1b[1m";
console.log(`${BOLD}${CYAN}🔍 MCP Server Startup Check${RESET}\n`);
const missing = [];
const found = [];
for (const pkg of REQUIRED_PACKAGES) {
try {
// Use dynamic import to check if package can be resolved
require.resolve(pkg);
found.push(pkg);
} catch (e) {
missing.push({ name: pkg, error: e.message });
}
}
// Report found packages
if (found.length > 0) {
console.log(`${GREEN}✅ Found ${found.length} required packages${RESET}`);
}
// Report missing packages
if (missing.length > 0) {
console.log(`${RED}${BOLD}❌ Missing ${missing.length} required packages:${RESET}`);
for (const { name } of missing) {
console.log(`${RED} - ${name}${RESET}`);
}
console.log();
console.log(`${YELLOW}This usually means:${RESET}`);
console.log(" 1. The package is a transitive dependency not hoisted to root node_modules");
console.log(" 2. pnpm install was not run with --shamefully-hoist");
console.log(" 3. The package needs to be added explicitly to dependencies");
console.log();
console.log(`${CYAN}To fix:${RESET}`);
console.log(" - Ensure Dockerfile uses: pnpm install --shamefully-hoist");
console.log(" - Or add missing packages to apps/mcp-server/package.json");
console.log();
process.exit(1);
}
// Check environment variables
console.log(`${CYAN}Checking environment...${RESET}`);
const envChecks = [
{ name: "PORT", required: false, default: "8080" },
{ name: "NODE_ENV", required: false, default: "development" },
{ name: "DATABASE_URL", required: false, sensitive: true },
];
for (const check of envChecks) {
const value = process.env[check.name];
if (value) {
const displayValue = check.sensitive ? "[SET]" : value;
console.log(`${GREEN} ✓ ${check.name}=${displayValue}${RESET}`);
} else if (check.required) {
console.log(`${RED} ✗ ${check.name} (required, not set)${RESET}`);
} else {
console.log(`${YELLOW} - ${check.name} (using default: ${check.default})${RESET}`);
}
}
console.log();
console.log(`${GREEN}${BOLD}✅ Startup checks passed!${RESET}`);
console.log(`${CYAN}Starting MCP server...${RESET}\n`);
