// vercel.json
{
  "env": {
    "APOLLO_API_KEY": "@apollo-api-key"
  },
  "build": {
    "env": {
      "APOLLO_API_KEY": "@apollo-api-key"
    }
  }
}

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```bash

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```bash

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// src/routes/health.ts
import { Router } from 'express';
import { apollo } from '../lib/apollo/client';

const router = Router();

// Basic health check
router.get('/health', (req, res) => {
  res.json({ status: 'ok', timestamp: new Date().toISOString() });
});

// Apollo-specific health check
router.get('/health/apollo', async (req, res) => {
  try {
    const start = Date.now();
    await apollo.healthCheck();
    const latency = Date.now() - start;

    res.json({
      status: 'ok',
      apollo: {
        connected: true,
        latencyMs: latency,
      },
    });
  } catch (error: any) {
    res.status(503).json({
      status: 'degraded',
      apollo: {
        connected: false,
        error: error.message,
      },
    });
  }
});

// Readiness check (for Kubernetes)
router.get('/ready', async (req, res) => {
  try {
    await apollo.healthCheck();
    res.json({ ready: true });
  } catch {
    res.status(503).json({ ready: false });
  }
});

export default router;

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  - name: Deploy to Green
    run: |
      kubectl apply -f k8s/deployment-green.yaml
      kubectl rollout status deployment/apollo-service-green

  - name: Run smoke tests on Green
    run: |
      GREEN_URL=$(kubectl get svc apollo-service-green -o jsonpath='{.status.loadBalancer.ingress[0].ip}')
      curl -sf "http://$GREEN_URL/health/apollo" || exit 1

  - name: Switch traffic to Green
    if: success()
    run: |
      kubectl patch service apollo-service -p '{"spec":{"selector":{"version":"green"}}}'

  - name: Rollback on failure
    if: failure()
    run: |
      kubectl patch service apollo-service -p '{"spec":{"selector":{"version":"blue"}}}'

undefined

// scripts/pre-deploy-check.ts
import { apollo } from '../src/lib/apollo/client';

interface Check {
  name: string;
  check: () => Promise<boolean>;
  required: boolean;
}

const checks: Check[] = [
  {
    name: 'API Key Valid',
    check: async () => {
      try {
        await apollo.healthCheck();
        return true;
      } catch {
        return false;
      }
    },
    required: true,
  },
  {
    name: 'Rate Limit Available',
    check: async () => {
      // Check we have rate limit headroom
      const response = await apollo.searchPeople({ per_page: 1 });
      return true; // If we got here, we have capacity
    },
    required: false,
  },
  {
    name: 'Search Working',
    check: async () => {
      const result = await apollo.searchPeople({
        q_organization_domains: ['apollo.io'],
        per_page: 1,
      });
      return result.people.length > 0;
    },
    required: true,
  },
];

async function runChecks() {
  console.log('Running pre-deployment checks...\n');

  let allPassed = true;

  for (const { name, check, required } of checks) {
    try {
      const passed = await check();
      const status = passed ? 'PASS' : required ? 'FAIL' : 'WARN';
      console.log(`[${status}] ${name}`);

      if (!passed && required) {
        allPassed = false;
      }
    } catch (error: any) {
      console.log(`[FAIL] ${name}: ${error.message}`);
      if (required) {
        allPassed = false;
      }
    }
  }

  if (!allPassed) {
    console.error('\nPre-deployment checks failed. Aborting.');
    process.exit(1);
  }

  console.log('\nAll checks passed. Ready to deploy.');
}

runChecks();

// src/config/environments.ts
interface EnvironmentConfig {
  apollo: {
    apiKey: string;
    rateLimit: number;
    timeout: number;
  };
  features: {
    enrichment: boolean;
    sequences: boolean;
  };
}

const configs: Record<string, EnvironmentConfig> = {
  development: {
    apollo: {
      apiKey: process.env.APOLLO_API_KEY_DEV!,
      rateLimit: 10,
      timeout: 30000,
    },
    features: {
      enrichment: true,
      sequences: false,
    },
  },
  staging: {
    apollo: {
      apiKey: process.env.APOLLO_API_KEY_STAGING!,
      rateLimit: 50,
      timeout: 30000,
    },
    features: {
      enrichment: true,
      sequences: true,
    },
  },
  production: {
    apollo: {
      apiKey: process.env.APOLLO_API_KEY!,
      rateLimit: 90,
      timeout: 30000,
    },
    features: {
      enrichment: true,
      sequences: true,
    },
  },
};

export function getConfig(): EnvironmentConfig {
  const env = process.env.NODE_ENV || 'development';
  return configs[env] || configs.development;
}