🚀 Advanced Deployment Strategies with TuskLang & PHP

Introduction

Deployment strategies are the key to reliable, scalable application delivery. TuskLang and PHP let you implement sophisticated deployment strategies with config-driven blue-green deployments, canary releases, rolling updates, and infrastructure automation that ensures zero-downtime deployments.

Key Features

- Blue-green deployment - Canary deployment - Rolling deployment - Infrastructure as code - Container orchestration - Automated rollback

Example: Deployment Configuration

[deployment]
strategy: blue-green
infrastructure: @go("deployment.ConfigureInfrastructure")
orchestration: @go("deployment.ConfigureOrchestration")
monitoring: @go("deployment.ConfigureMonitoring")
rollback: @go("deployment.ConfigureRollback")

PHP: Deployment Manager

<?php
namespace App\Deployment;
use TuskLang\Config;
use TuskLang\Operators\Env;
use TuskLang\Operators\Metrics;
use TuskLang\Operators\Go;
class DeploymentManager
{
    private $config;
    private $orchestrator;
    private $monitor;
    private $infrastructure;
    
    public function __construct()
    {
        $this->config = new Config();
        $this->orchestrator = new DeploymentOrchestrator();
        $this->monitor = new DeploymentMonitor();
        $this->infrastructure = new InfrastructureManager();
    }
    
    public function deploy($version, $strategy = null)
    {
        $strategy = $strategy ?? $this->config->get('deployment.strategy', 'blue-green');
        
        $startTime = microtime(true);
        
        try {
            // Pre-deployment checks
            $this->preDeploymentChecks($version);
            
            // Execute deployment strategy
            switch ($strategy) {
                case 'blue-green':
                    $result = $this->blueGreenDeploy($version);
                    break;
                case 'canary':
                    $result = $this->canaryDeploy($version);
                    break;
                case 'rolling':
                    $result = $this->rollingDeploy($version);
                    break;
                default:
                    throw new \Exception("Unknown deployment strategy: {$strategy}");
            }
            
            // Post-deployment verification
            $this->postDeploymentVerification($version);
            
            $duration = (microtime(true) - $startTime) * 1000;
            
            // Record metrics
            Metrics::record("deployment_duration", $duration, [
                "strategy" => $strategy,
                "version" => $version,
                "status" => "success"
            ]);
            
            return $result;
            
        } catch (\Exception $e) {
            $duration = (microtime(true) - $startTime) * 1000;
            
            Metrics::record("deployment_duration", $duration, [
                "strategy" => $strategy,
                "version" => $version,
                "status" => "failed",
                "error" => get_class($e)
            ]);
            
            // Automatic rollback
            $this->rollback($version);
            
            throw $e;
        }
    }
    
    public function rollback($version)
    {
        $previousVersion = $this->getPreviousVersion();
        
        $this->orchestrator->rollback($previousVersion);
        $this->monitor->verifyRollback($previousVersion);
        
        Metrics::record("deployment_rollback", 1, [
            "from_version" => $version,
            "to_version" => $previousVersion
        ]);
        
        return [
            'status' => 'rolled_back',
            'from_version' => $version,
            'to_version' => $previousVersion
        ];
    }
    
    private function preDeploymentChecks($version)
    {
        // Check infrastructure health
        $this->infrastructure->checkHealth();
        
        // Verify application build
        $this->verifyBuild($version);
        
        // Check database migrations
        $this->checkMigrations($version);
        
        // Validate configuration
        $this->validateConfiguration($version);
    }
    
    private function postDeploymentVerification($version)
    {
        // Health checks
        $this->monitor->healthCheck($version);
        
        // Smoke tests
        $this->runSmokeTests($version);
        
        // Performance tests
        $this->runPerformanceTests($version);
        
        // Update deployment status
        $this->updateDeploymentStatus($version, 'success');
    }
    
    private function verifyBuild($version)
    {
        $buildPath = $this->config->get('deployment.build_path', 'builds');
        $buildFile = "{$buildPath}/{$version}.tar.gz";
        
        if (!file_exists($buildFile)) {
            throw new \Exception("Build file not found: {$buildFile}");
        }
        
        // Verify build integrity
        $checksum = $this->config->get("deployment.builds.{$version}.checksum");
        if ($checksum && hash_file('sha256', $buildFile) !== $checksum) {
            throw new \Exception("Build checksum verification failed");
        }
    }
    
    private function checkMigrations($version)
    {
        $migrations = $this->config->get("deployment.migrations.{$version}", []);
        
        foreach ($migrations as $migration) {
            if (!$this->isMigrationSafe($migration)) {
                throw new \Exception("Unsafe migration detected: {$migration}");
            }
        }
    }
    
    private function validateConfiguration($version)
    {
        $config = $this->config->get("deployment.configs.{$version}", []);
        
        foreach ($config as $key => $value) {
            if (!$this->isConfigValid($key, $value)) {
                throw new \Exception("Invalid configuration: {$key}");
            }
        }
    }
    
    private function updateDeploymentStatus($version, $status)
    {
        $pdo = new PDO(Env::get('DB_DSN'));
        $stmt = $pdo->prepare("
            INSERT INTO deployments (version, status, deployed_at)
            VALUES (?, ?, NOW())
        ");
        
        $stmt->execute([$version, $status]);
    }
}
class DeploymentOrchestrator
{
    private $config;
    
    public function __construct()
    {
        $this->config = new Config();
    }
    
    public function blueGreenDeploy($version)
    {
        $currentEnv = $this->getCurrentEnvironment();
        $newEnv = $currentEnv === 'blue' ? 'green' : 'blue';
        
        // Deploy to new environment
        $this->deployToEnvironment($newEnv, $version);
        
        // Run health checks
        $this->healthCheck($newEnv);
        
        // Switch traffic
        $this->switchTraffic($newEnv);
        
        // Verify switch
        $this->verifyTrafficSwitch($newEnv);
        
        return [
            'strategy' => 'blue-green',
            'old_environment' => $currentEnv,
            'new_environment' => $newEnv,
            'version' => $version
        ];
    }
    
    public function canaryDeploy($version)
    {
        $canaryPercentage = $this->config->get('deployment.canary.percentage', 10);
        
        // Deploy to canary servers
        $this->deployToCanary($version);
        
        // Route small percentage of traffic
        $this->routeCanaryTraffic($canaryPercentage);
        
        // Monitor canary performance
        $this->monitorCanary($version);
        
        // Gradually increase traffic
        $this->graduallyIncreaseTraffic($version);
        
        return [
            'strategy' => 'canary',
            'version' => $version,
            'canary_percentage' => $canaryPercentage
        ];
    }
    
    public function rollingDeploy($version)
    {
        $servers = $this->getServers();
        $batchSize = $this->config->get('deployment.rolling.batch_size', 2);
        
        foreach (array_chunk($servers, $batchSize) as $batch) {
            // Deploy to batch
            $this->deployToBatch($batch, $version);
            
            // Health check batch
            $this->healthCheckBatch($batch);
            
            // Wait for batch to be ready
            $this->waitForBatchReady($batch);
        }
        
        return [
            'strategy' => 'rolling',
            'version' => $version,
            'servers_count' => count($servers),
            'batch_size' => $batchSize
        ];
    }
    
    public function rollback($version)
    {
        $currentEnv = $this->getCurrentEnvironment();
        $previousEnv = $currentEnv === 'blue' ? 'green' : 'blue';
        
        // Switch traffic back
        $this->switchTraffic($previousEnv);
        
        // Verify rollback
        $this->verifyTrafficSwitch($previousEnv);
        
        return [
            'action' => 'rollback',
            'from_environment' => $currentEnv,
            'to_environment' => $previousEnv,
            'version' => $version
        ];
    }
    
    private function deployToEnvironment($environment, $version)
    {
        $deploymentScript = $this->config->get('deployment.scripts.deploy');
        $environmentVars = $this->config->get("deployment.environments.{$environment}", []);
        
        $command = "{$deploymentScript} {$environment} {$version}";
        
        foreach ($environmentVars as $key => $value) {
            putenv("{$key}={$value}");
        }
        
        $this->executeCommand($command);
    }
    
    private function switchTraffic($environment)
    {
        $loadBalancer = $this->config->get('deployment.load_balancer');
        
        switch ($loadBalancer['type']) {
            case 'nginx':
                $this->switchNginxTraffic($environment);
                break;
            case 'haproxy':
                $this->switchHAProxyTraffic($environment);
                break;
            case 'aws':
                $this->switchAWSTraffic($environment);
                break;
        }
    }
    
    private function healthCheck($environment)
    {
        $healthEndpoint = $this->config->get("deployment.environments.{$environment}.health_endpoint");
        $maxRetries = $this->config->get('deployment.health_check.max_retries', 3);
        
        for ($i = 0; $i < $maxRetries; $i++) {
            $response = $this->makeHealthCheck($healthEndpoint);
            
            if ($response['status'] === 200) {
                return true;
            }
            
            sleep(5);
        }
        
        throw new \Exception("Health check failed for environment: {$environment}");
    }
    
    private function executeCommand($command)
    {
        $output = [];
        $returnCode = 0;
        
        exec($command, $output, $returnCode);
        
        if ($returnCode !== 0) {
            throw new \Exception("Command failed: {$command}. Output: " . implode("\n", $output));
        }
        
        return $output;
    }
}

Infrastructure as Code

<?php
namespace App\Deployment\Infrastructure;
use TuskLang\Config;
class InfrastructureManager
{
    private $config;
    private $providers = [];
    
    public function __construct()
    {
        $this->config = new Config();
        $this->loadProviders();
    }
    
    public function provision($environment)
    {
        $infrastructure = $this->config->get("deployment.infrastructure.{$environment}", []);
        
        foreach ($infrastructure as $resource) {
            $this->provisionResource($resource);
        }
    }
    
    public function update($environment)
    {
        $updates = $this->config->get("deployment.updates.{$environment}", []);
        
        foreach ($updates as $update) {
            $this->updateResource($update);
        }
    }
    
    public function destroy($environment)
    {
        $resources = $this->config->get("deployment.infrastructure.{$environment}", []);
        
        foreach (array_reverse($resources) as $resource) {
            $this->destroyResource($resource);
        }
    }
    
    public function checkHealth()
    {
        $healthChecks = $this->config->get('deployment.health_checks', []);
        
        foreach ($healthChecks as $check) {
            if (!$this->performHealthCheck($check)) {
                throw new \Exception("Health check failed: {$check['name']}");
            }
        }
    }
    
    private function provisionResource($resource)
    {
        $provider = $this->getProvider($resource['provider']);
        
        switch ($resource['type']) {
            case 'server':
                $provider->provisionServer($resource);
                break;
            case 'database':
                $provider->provisionDatabase($resource);
                break;
            case 'load_balancer':
                $provider->provisionLoadBalancer($resource);
                break;
            case 'cache':
                $provider->provisionCache($resource);
                break;
        }
    }
    
    private function loadProviders()
    {
        $providers = $this->config->get('deployment.providers', []);
        
        foreach ($providers as $name => $config) {
            $this->providers[$name] = new $config'class';
        }
    }
    
    private function getProvider($name)
    {
        if (!isset($this->providers[$name])) {
            throw new \Exception("Provider not found: {$name}");
        }
        
        return $this->providers[$name];
    }
}
class AWSProvider
{
    private $config;
    private $client;
    
    public function __construct($config)
    {
        $this->config = $config;
        $this->client = new AwsClient($config);
    }
    
    public function provisionServer($resource)
    {
        $params = [
            'ImageId' => $resource['ami'],
            'MinCount' => $resource['count'],
            'MaxCount' => $resource['count'],
            'InstanceType' => $resource['instance_type'],
            'KeyName' => $resource['key_name'],
            'SecurityGroupIds' => $resource['security_groups'],
            'SubnetId' => $resource['subnet_id']
        ];
        
        $result = $this->client->runInstances($params);
        
        return $result['Instances'];
    }
    
    public function provisionDatabase($resource)
    {
        $params = [
            'DBInstanceIdentifier' => $resource['identifier'],
            'DBInstanceClass' => $resource['instance_class'],
            'Engine' => $resource['engine'],
            'MasterUsername' => $resource['username'],
            'MasterUserPassword' => $resource['password'],
            'AllocatedStorage' => $resource['storage']
        ];
        
        $result = $this->client->createDBInstance($params);
        
        return $result['DBInstance'];
    }
    
    public function provisionLoadBalancer($resource)
    {
        $params = [
            'LoadBalancerName' => $resource['name'],
            'Subnets' => $resource['subnets'],
            'SecurityGroups' => $resource['security_groups']
        ];
        
        $result = $this->client->createLoadBalancer($params);
        
        return $result['LoadBalancer'];
    }
}
class DockerProvider
{
    private $config;
    
    public function __construct($config)
    {
        $this->config = $config;
    }
    
    public function buildImage($imageConfig)
    {
        $dockerfile = $imageConfig['dockerfile'];
        $tag = $imageConfig['tag'];
        
        $command = "docker build -t {$tag} -f {$dockerfile} .";
        $this->executeCommand($command);
        
        return $tag;
    }
    
    public function deployContainer($containerConfig)
    {
        $image = $containerConfig['image'];
        $name = $containerConfig['name'];
        $ports = $containerConfig['ports'] ?? [];
        $environment = $containerConfig['environment'] ?? [];
        
        $portMappings = '';
        foreach ($ports as $hostPort => $containerPort) {
            $portMappings .= " -p {$hostPort}:{$containerPort}";
        }
        
        $envVars = '';
        foreach ($environment as $key => $value) {
            $envVars .= " -e {$key}={$value}";
        }
        
        $command = "docker run -d --name {$name}{$portMappings}{$envVars} {$image}";
        $this->executeCommand($command);
        
        return $name;
    }
    
    public function scaleService($serviceName, $replicas)
    {
        $command = "docker service scale {$serviceName}={$replicas}";
        $this->executeCommand($command);
    }
    
    private function executeCommand($command)
    {
        $output = [];
        $returnCode = 0;
        
        exec($command, $output, $returnCode);
        
        if ($returnCode !== 0) {
            throw new \Exception("Docker command failed: {$command}");
        }
        
        return $output;
    }
}

Deployment Monitoring

<?php
namespace App\Deployment\Monitoring;
use TuskLang\Config;
class DeploymentMonitor
{
    private $config;
    private $metrics;
    
    public function __construct()
    {
        $this->config = new Config();
        $this->metrics = new MetricsCollector();
    }
    
    public function monitorDeployment($version)
    {
        $monitoringConfig = $this->config->get('deployment.monitoring', []);
        
        // Monitor application metrics
        $this->monitorApplicationMetrics($version);
        
        // Monitor infrastructure metrics
        $this->monitorInfrastructureMetrics();
        
        // Monitor business metrics
        $this->monitorBusinessMetrics($version);
        
        // Set up alerts
        $this->setupAlerts($version);
    }
    
    public function healthCheck($version)
    {
        $healthEndpoints = $this->config->get('deployment.health_endpoints', []);
        
        foreach ($healthEndpoints as $endpoint) {
            $response = $this->checkEndpoint($endpoint);
            
            if ($response['status'] !== 200) {
                throw new \Exception("Health check failed for endpoint: {$endpoint['url']}");
            }
        }
    }
    
    public function verifyRollback($version)
    {
        // Verify that rollback was successful
        $this->healthCheck($version);
        
        // Check that old version is serving traffic
        $trafficCheck = $this->checkTrafficVersion($version);
        
        if (!$trafficCheck) {
            throw new \Exception("Rollback verification failed");
        }
    }
    
    private function monitorApplicationMetrics($version)
    {
        $metrics = [
            'response_time' => $this->getResponseTime(),
            'error_rate' => $this->getErrorRate(),
            'throughput' => $this->getThroughput(),
            'memory_usage' => $this->getMemoryUsage(),
            'cpu_usage' => $this->getCPUUsage()
        ];
        
        foreach ($metrics as $name => $value) {
            $this->metrics->record("application.{$name}", $value, [
                'version' => $version
            ]);
        }
    }
    
    private function monitorInfrastructureMetrics()
    {
        $metrics = [
            'server_load' => $this->getServerLoad(),
            'disk_usage' => $this->getDiskUsage(),
            'network_usage' => $this->getNetworkUsage(),
            'database_connections' => $this->getDatabaseConnections()
        ];
        
        foreach ($metrics as $name => $value) {
            $this->metrics->record("infrastructure.{$name}", $value);
        }
    }
    
    private function monitorBusinessMetrics($version)
    {
        $metrics = [
            'user_sessions' => $this->getUserSessions(),
            'transactions' => $this->getTransactions(),
            'revenue' => $this->getRevenue(),
            'conversion_rate' => $this->getConversionRate()
        ];
        
        foreach ($metrics as $name => $value) {
            $this->metrics->record("business.{$name}", $value, [
                'version' => $version
            ]);
        }
    }
    
    private function setupAlerts($version)
    {
        $alerts = $this->config->get('deployment.alerts', []);
        
        foreach ($alerts as $alert) {
            $this->setupAlert($alert, $version);
        }
    }
    
    private function setupAlert($alert, $version)
    {
        $threshold = $alert['threshold'];
        $metric = $alert['metric'];
        $action = $alert['action'];
        
        // Set up monitoring for the metric
        $this->metrics->watch($metric, $threshold, function($value) use ($action, $version) {
            $this->triggerAlert($action, $value, $version);
        });
    }
    
    private function triggerAlert($action, $value, $version)
    {
        switch ($action) {
            case 'rollback':
                $this->rollback($version);
                break;
            case 'scale_up':
                $this->scaleUp();
                break;
            case 'notify':
                $this->sendNotification($value, $version);
                break;
        }
    }
    
    private function checkEndpoint($endpoint)
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $endpoint['url']);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_TIMEOUT, $endpoint['timeout'] ?? 10);
        
        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        
        curl_close($ch);
        
        return [
            'status' => $httpCode,
            'response' => $response
        ];
    }
}

Best Practices

- Use blue-green deployment for zero downtime - Implement canary deployment for risk mitigation - Use rolling deployment for gradual updates - Automate infrastructure provisioning - Monitor deployment metrics - Implement automatic rollback

Performance Optimization

- Use CDN for static assets - Optimize database connections - Use caching strategies - Monitor resource usage

Security Considerations

- Use secure deployment channels - Validate deployment artifacts - Implement access controls - Monitor security events

Troubleshooting

- Monitor deployment logs - Check infrastructure health - Verify application metrics - Test rollback procedures

Conclusion

TuskLang + PHP = deployment strategies that are reliable, scalable, and automated. Deploy with confidence.