feat(terraform): Add EC2 user-data bootstrap script

terraform/aws-infrastructure/scripts/user-data.sh

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+#!/bin/bash
+# EC2 User Data Bootstrap Script
+# Runs on instance launch
+
+set -e
+exec > >(tee /var/log/user-data.log) 2>&1
+
+echo "========================================="
+echo "Starting EC2 Bootstrap"
+echo "Environment: ${environment}"
+echo "Region: ${region}"
+echo "========================================="
+
+# Update system
+echo "[1/5] Updating system..."
+yum update -y
+
+# Install CloudWatch Agent
+echo "[2/5] Installing CloudWatch Agent..."
+wget https://s3.${region}.amazonaws.com/amazoncloudwatch-agent-${region}/amazon_linux/amd64/latest/amazon-cloudwatch-agent.rpm
+rpm -U ./amazon-cloudwatch-agent.rpm
+
+# Install Docker
+echo "[3/5] Installing Docker..."
+yum install -y docker
+systemctl start docker
+systemctl enable docker
+usermod -a -G docker ec2-user
+
+# Install dependencies
+echo "[4/5] Installing dependencies..."
+yum install -y git htop vim wget curl jq python3 python3-pip
+
+# Setup health check endpoint
+echo "[5/5] Setting up health check..."
+mkdir -p /opt/app
+
+cat > /opt/app/health.py << 'PYEOF'
+#!/usr/bin/env python3
+from http.server import HTTPServer, BaseHTTPRequestHandler
+
+class Handler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        if self.path == '/health':
+            self.send_response(200)
+            self.send_header('Content-type', 'text/plain')
+            self.end_headers()
+            self.wfile.write(b'healthy')
+        else:
+            self.send_response(404)
+            self.end_headers()
+    
+    def log_message(self, format, *args):
+        pass  # Suppress logs
+
+if __name__ == '__main__':
+    server = HTTPServer(('', 80), Handler)
+    server.serve_forever()
+PYEOF
+
+chmod +x /opt/app/health.py
+
+# Create systemd service
+cat > /etc/systemd/system/health-server.service << 'EOF'
+[Unit]
+Description=Health Check Server
+After=network.target
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/opt/app
+ExecStart=/usr/bin/python3 /opt/app/health.py
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+systemctl daemon-reload
+systemctl enable health-server
+systemctl start health-server
+
+# Tag instance
+INSTANCE_ID=$(ec2-metadata --instance-id | cut -d " " -f 2)
+aws ec2 create-tags \
+    --resources $INSTANCE_ID \
+    --tags Key=Bootstrap,Value=Complete \
+    --region ${region}
+
+echo "========================================="
+echo "Bootstrap Complete!"
+echo "Instance ID: $INSTANCE_ID"
+echo "========================================="