rework-add-db

Integration-for-verifiers (Billions Wallet)/.env.example

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+# Server Configuration
+PORT=8080
+HOST_URL=https://your-domain.com  # Your production domain or ngrok URL for development
+
+# Verifier Configuration  
+#⚠️  CRITICAL: IMMUTABLE VALUES - DO NOT CHANGE AFTER FIRST USE (NULLIFIER_ID & VERIFIER_DID)
+# These values CANNOT be changed once users start verifying, as changing them
+# will result in different nullifier IDs and DIDs for the same users.
+VERIFIER_DID=your_verifier_did_here # Download the Billions app and Login into it.Copy the DID created for your account to use as the Verifier. You can find that in settings.
+USE_CASE=POU  # Options: POH, POU, POVH
+NULLIFIER_SESSION_ID=your_nullifier_session_id # Must be a positive BigInt for the proof request.
+
+#Use case selection
+# POH (Proof of Humanity): Verify that the user is a real human via `Human` Credential
+# POU (Proof of Uniqueness): Verify that the user is unique (anti-Sybil) via `Verified Human` credential
+# POVH (Proof of Verified Humanity): Verify that the user is a real verified human via `Verified Human` Credential
+
+USE_CASE=POVH    #Options: 'POH', 'POU'
+
+# Security Configuration (Production)
+ALLOWED_ORIGINS=https://your-frontend-domain.com,https://your-mobile-app-domain.com  # Comma-separated list
+NODE_ENV=production  # Set to 'production' for strict CORS
+LOG_LEVEL=info  # Options: error, warn, info, debug

Integration-for-verifiers (Billions Wallet)/.gitignore

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+.env 
+node_modules/
+logs/

Integration-for-verifiers (Billions Wallet)/ecosystem.config.js

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+module.exports = {
+  apps: [{
+    name: 'billions-verifier',
+    script: 'src/index.js',
+    instances: 1,
+    exec_mode: 'fork',
+
+    // Environment configuration
+    env: {
+      NODE_ENV: 'development',
+      PORT: 8080
+    },
+    env_production: {
+      NODE_ENV: 'production',
+      PORT: 8080
+    },
+
+    // Process management
+    max_memory_restart: '1G',
+    min_uptime: '10s',
+    max_restarts: 10,
+    restart_delay: 4000,
+
+    // Logging
+    log_file: 'logs/pm2-combined.log',
+    out_file: 'logs/pm2-out.log',
+    error_file: 'logs/pm2-error.log',
+    log_date_format: 'YYYY-MM-DD HH:mm:ss Z',
+    merge_logs: true,
+
+    // Monitoring
+    source_map_support: true,
+    instance_var: 'INSTANCE_ID',
+
+    // Health monitoring
+    watch: false, // Set to true for development auto-restart
+    ignore_watch: ['node_modules', 'logs', '.git'],
+
+    // Production optimizations
+    node_args: '--max-old-space-size=1024'
+  }],
+
+  // Deployment configuration
+  deploy: {
+    production: {
+      user: 'deploy',
+      host: ['your-server.com'],
+      ref: 'origin/main',
+      repo: 'git@github.com:your-username/billions-verifier.git',
+      path: '/var/www/billions-verifier',
+      'post-deploy': 'npm install && pm2 reload ecosystem.config.js --env production',
+      'pre-setup': 'apt-get install git -y'
+    }
+  }
+};