Deployment Strategies in TuskLang with Rust

🚀 Deployment Foundation

Deployment strategies with TuskLang and Rust provide robust solutions for production applications. This guide covers containerization, cloud deployment, CI/CD pipelines, and advanced deployment patterns.

🏗️ Deployment Architecture

Deployment Stack

[deployment_architecture]
containerization: true
cloud_deployment: true
ci_cd: true
monitoring: true
[deployment_components]
docker: "containerization"
kubernetes: "orchestration"
aws: "cloud_provider"
github_actions: "ci_cd"

Deployment Configuration

[deployment_configuration]
enable_docker: true
enable_kubernetes: true
enable_monitoring: true
enable_auto_scaling: true
[deployment_implementation]
use std::process::Command;
use tokio::fs;
use serde::{Deserialize, Serialize};
// Deployment manager
pub struct DeploymentManager {
    config: DeploymentConfig,
    deployment_history: Arc<RwLock<Vec<DeploymentRecord>>>,
    health_checks: Arc<RwLock<Vec<HealthCheck>>>,
}
#[derive(Debug, Clone)]
pub struct DeploymentConfig {
    pub environment: Environment,
    pub docker_image: String,
    pub kubernetes_namespace: String,
    pub replicas: u32,
    pub resource_limits: ResourceLimits,
    pub health_check_path: String,
    pub auto_scaling: AutoScalingConfig,
}
#[derive(Debug, Clone)]
pub enum Environment {
    Development,
    Staging,
    Production,
}
#[derive(Debug, Clone)]
pub struct ResourceLimits {
    pub cpu_request: String,
    pub cpu_limit: String,
    pub memory_request: String,
    pub memory_limit: String,
}
#[derive(Debug, Clone)]
pub struct AutoScalingConfig {
    pub enabled: bool,
    pub min_replicas: u32,
    pub max_replicas: u32,
    pub target_cpu_utilization: u32,
}
#[derive(Debug, Clone)]
pub struct DeploymentRecord {
    pub id: String,
    pub timestamp: chrono::DateTime<chrono::Utc>,
    pub environment: Environment,
    pub version: String,
    pub status: DeploymentStatus,
    pub duration: Duration,
    pub logs: Vec<String>,
}
#[derive(Debug, Clone)]
pub enum DeploymentStatus {
    InProgress,
    Success,
    Failed,
    RolledBack,
}
#[derive(Debug, Clone)]
pub struct HealthCheck {
    pub name: String,
    pub url: String,
    pub interval: Duration,
    pub timeout: Duration,
    pub retries: u32,
    pub last_check: Option<chrono::DateTime<chrono::Utc>>,
    pub status: HealthStatus,
}
#[derive(Debug, Clone)]
pub enum HealthStatus {
    Healthy,
    Unhealthy,
    Unknown,
}
impl DeploymentManager {
    pub fn new(config: DeploymentConfig) -> Self {
        Self {
            config,
            deployment_history: Arc::new(RwLock::new(Vec::new())),
            health_checks: Arc::new(RwLock::new(Vec::new())),
        }
    }
    
    pub async fn deploy(&self, version: &str) -> Result<DeploymentRecord, DeploymentError> {
        let deployment_id = self.generate_deployment_id();
        let start_time = chrono::Utc::now();
        
        let mut record = DeploymentRecord {
            id: deployment_id.clone(),
            timestamp: start_time,
            environment: self.config.environment.clone(),
            version: version.to_string(),
            status: DeploymentStatus::InProgress,
            duration: Duration::from_secs(0),
            logs: Vec::new(),
        };
        
        // Build Docker image
        self.build_docker_image(version, &mut record).await?;
        
        // Deploy to Kubernetes
        self.deploy_to_kubernetes(version, &mut record).await?;
        
        // Run health checks
        self.run_health_checks(&mut record).await?;
        
        // Update deployment status
        record.status = DeploymentStatus::Success;
        record.duration = start_time.elapsed().unwrap_or_default();
        
        // Store deployment record
        {
            let mut history = self.deployment_history.write().await;
            history.push(record.clone());
        }
        
        Ok(record)
    }
    
    async fn build_docker_image(&self, version: &str, record: &mut DeploymentRecord) -> Result<(), DeploymentError> {
        record.logs.push("Building Docker image...".to_string());
        
        let output = Command::new("docker")
            .args(&[
                "build",
                "-t",
                &format!("{}:{}", self.config.docker_image, version),
                ".",
            ])
            .output()
            .map_err(|e| DeploymentError::DockerError { message: e.to_string() })?;
        
        if !output.status.success() {
            let error = String::from_utf8_lossy(&output.stderr);
            record.logs.push(format!("Docker build failed: {}", error));
            return Err(DeploymentError::DockerError { message: error.to_string() });
        }
        
        record.logs.push("Docker image built successfully".to_string());
        Ok(())
    }
    
    async fn deploy_to_kubernetes(&self, version: &str, record: &mut DeploymentRecord) -> Result<(), DeploymentError> {
        record.logs.push("Deploying to Kubernetes...".to_string());
        
        // Create Kubernetes deployment YAML
        let deployment_yaml = self.generate_kubernetes_yaml(version);
        let yaml_path = format!("/tmp/deployment-{}.yaml", record.id);
        
        fs::write(&yaml_path, deployment_yaml).await
            .map_err(|e| DeploymentError::FileError { message: e.to_string() })?;
        
        // Apply Kubernetes deployment
        let output = Command::new("kubectl")
            .args(&[
                "apply",
                "-f",
                &yaml_path,
                "-n",
                &self.config.kubernetes_namespace,
            ])
            .output()
            .map_err(|e| DeploymentError::KubernetesError { message: e.to_string() })?;
        
        if !output.status.success() {
            let error = String::from_utf8_lossy(&output.stderr);
            record.logs.push(format!("Kubernetes deployment failed: {}", error));
            return Err(DeploymentError::KubernetesError { message: error.to_string() });
        }
        
        // Wait for deployment to be ready
        self.wait_for_kubernetes_deployment(record).await?;
        
        record.logs.push("Kubernetes deployment successful".to_string());
        Ok(())
    }
    
    async fn wait_for_kubernetes_deployment(&self, record: &mut DeploymentRecord) -> Result<(), DeploymentError> {
        record.logs.push("Waiting for deployment to be ready...".to_string());
        
        let mut attempts = 0;
        let max_attempts = 30;
        
        while attempts < max_attempts {
            let output = Command::new("kubectl")
                .args(&[
                    "get",
                    "deployment",
                    &format!("{}-deployment", self.config.docker_image),
                    "-n",
                    &self.config.kubernetes_namespace,
                    "-o",
                    "jsonpath={.status.readyReplicas}",
                ])
                .output()
                .map_err(|e| DeploymentError::KubernetesError { message: e.to_string() })?;
            
            if output.status.success() {
                let ready_replicas = String::from_utf8_lossy(&output.stdout);
                if ready_replicas.trim() == self.config.replicas.to_string() {
                    record.logs.push("Deployment is ready".to_string());
                    return Ok(());
                }
            }
            
            tokio::time::sleep(Duration::from_secs(10)).await;
            attempts += 1;
        }
        
        Err(DeploymentError::KubernetesError { message: "Deployment timeout".to_string() })
    }
    
    async fn run_health_checks(&self, record: &mut DeploymentRecord) -> Result<(), DeploymentError> {
        record.logs.push("Running health checks...".to_string());
        
        let health_checks = self.health_checks.read().await;
        
        for health_check in health_checks.iter() {
            let status = self.perform_health_check(health_check).await;
            
            match status {
                HealthStatus::Healthy => {
                    record.logs.push(format!("Health check '{}' passed", health_check.name));
                }
                HealthStatus::Unhealthy => {
                    record.logs.push(format!("Health check '{}' failed", health_check.name));
                    return Err(DeploymentError::HealthCheckFailed { check_name: health_check.name.clone() });
                }
                HealthStatus::Unknown => {
                    record.logs.push(format!("Health check '{}' unknown", health_check.name));
                }
            }
        }
        
        record.logs.push("All health checks passed".to_string());
        Ok(())
    }
    
    async fn perform_health_check(&self, health_check: &HealthCheck) -> HealthStatus {
        let client = reqwest::Client::new();
        
        for attempt in 0..health_check.retries {
            match client.get(&health_check.url)
                .timeout(health_check.timeout)
                .send()
                .await
            {
                Ok(response) => {
                    if response.status().is_success() {
                        return HealthStatus::Healthy;
                    }
                }
                Err(_) => {}
            }
            
            if attempt < health_check.retries - 1 {
                tokio::time::sleep(health_check.interval).await;
            }
        }
        
        HealthStatus::Unhealthy
    }
    
    fn generate_kubernetes_yaml(&self, version: &str) -> String {
        format!(
            r#"
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {}-deployment
  namespace: {}
spec:
  replicas: {}
  selector:
    matchLabels:
      app: {}
  template:
    metadata:
      labels:
        app: {}
    spec:
      containers:
      - name: {}
        image: {}:{}
        ports:
        - containerPort: 8080
        resources:
          requests:
            cpu: {}
            memory: {}
          limits:
            cpu: {}
            memory: {}
        livenessProbe:
          httpGet:
            path: {}
            port: 8080
          initialDelaySeconds: 30
          periodSeconds: 10
        readinessProbe:
          httpGet:
            path: {}
            port: 8080
          initialDelaySeconds: 5
          periodSeconds: 5
---
apiVersion: v1
kind: Service
metadata:
  name: {}-service
  namespace: {}
spec:
  selector:
    app: {}
  ports:
  - protocol: TCP
    port: 80
    targetPort: 8080
  type: LoadBalancer
"#,
            self.config.docker_image,
            self.config.kubernetes_namespace,
            self.config.replicas,
            self.config.docker_image,
            self.config.docker_image,
            self.config.docker_image,
            self.config.docker_image,
            version,
            self.config.resource_limits.cpu_request,
            self.config.resource_limits.memory_request,
            self.config.resource_limits.cpu_limit,
            self.config.resource_limits.memory_limit,
            self.config.health_check_path,
            self.config.health_check_path,
            self.config.docker_image,
            self.config.kubernetes_namespace,
            self.config.docker_image,
        )
    }
    
    fn generate_deployment_id(&self) -> String {
        use rand::Rng;
        let mut rng = rand::thread_rng();
        format!("deploy-{}", rng.gen::<u32>())
    }
    
    pub async fn rollback(&self, deployment_id: &str) -> Result<(), DeploymentError> {
        let mut history = self.deployment_history.write().await;
        
        if let Some(record) = history.iter_mut().find(|r| r.id == deployment_id) {
            record.status = DeploymentStatus::RolledBack;
            record.logs.push("Deployment rolled back".to_string());
        }
        
        // Implement actual rollback logic here
        Ok(())
    }
    
    pub async fn get_deployment_history(&self) -> Vec<DeploymentRecord> {
        self.deployment_history.read().await.clone()
    }
    
    pub async fn add_health_check(&self, health_check: HealthCheck) {
        let mut health_checks = self.health_checks.write().await;
        health_checks.push(health_check);
    }
}
#[derive(Debug, thiserror::Error)]
pub enum DeploymentError {
    #[error("Docker error: {message}")]
    DockerError { message: String },
    #[error("Kubernetes error: {message}")]
    KubernetesError { message: String },
    #[error("Health check failed: {check_name}")]
    HealthCheckFailed { check_name: String },
    #[error("File error: {message}")]
    FileError { message: String },
    #[error("Configuration error: {message}")]
    ConfigError { message: String },
}

🐳 Containerization

Docker Configuration

[containerization]
dockerfile: true
docker_compose: true
multi_stage_builds: true
[container_implementation]
// Dockerfile for Rust application
pub struct DockerConfig {
    pub base_image: String,
    pub build_stages: Vec<BuildStage>,
    pub environment_variables: HashMap<String, String>,
    pub exposed_ports: Vec<u16>,
    pub volumes: Vec<String>,
}
#[derive(Debug, Clone)]
pub struct BuildStage {
    pub name: String,
    pub base_image: String,
    pub commands: Vec<String>,
    pub copy_instructions: Vec<CopyInstruction>,
}
#[derive(Debug, Clone)]
pub struct CopyInstruction {
    pub source: String,
    pub destination: String,
}
impl DockerConfig {
    pub fn new() -> Self {
        Self {
            base_image: "rust:1.70-alpine".to_string(),
            build_stages: Vec::new(),
            environment_variables: HashMap::new(),
            exposed_ports: vec![8080],
            volumes: Vec::new(),
        }
    }
    
    pub fn generate_dockerfile(&self) -> String {
        let mut dockerfile = String::new();
        
        // Multi-stage build
        dockerfile.push_str(&format!("FROM {} AS builder\n", self.base_image));
        dockerfile.push_str("WORKDIR /app\n");
        dockerfile.push_str("COPY Cargo.toml Cargo.lock ./\n");
        dockerfile.push_str("RUN cargo build --release\n");
        
        // Runtime stage
        dockerfile.push_str("FROM alpine:latest\n");
        dockerfile.push_str("RUN apk --no-cache add ca-certificates\n");
        dockerfile.push_str("WORKDIR /root/\n");
        dockerfile.push_str("COPY --from=builder /app/target/release/app .\n");
        
        // Environment variables
        for (key, value) in &self.environment_variables {
            dockerfile.push_str(&format!("ENV {}={}\n", key, value));
        }
        
        // Expose ports
        for port in &self.exposed_ports {
            dockerfile.push_str(&format!("EXPOSE {}\n", port));
        }
        
        // Volumes
        for volume in &self.volumes {
            dockerfile.push_str(&format!("VOLUME {}\n", volume));
        }
        
        dockerfile.push_str("CMD [\"./app\"]\n");
        
        dockerfile
    }
    
    pub fn generate_docker_compose(&self) -> String {
        format!(
            r#"
version: '3.8'
services:
  app:
    build: .
    ports:
      - "8080:8080"
    environment:
      - RUST_LOG=info
      - DATABASE_URL=postgresql://user:password@db:5432/mydb
    depends_on:
      - db
    volumes:
      - ./config:/app/config
    restart: unless-stopped
  
  db:
    image: postgres:13
    environment:
      - POSTGRES_DB=mydb
      - POSTGRES_USER=user
      - POSTGRES_PASSWORD=password
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"
  
  redis:
    image: redis:6-alpine
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
volumes:
  postgres_data:
  redis_data:
"#
        )
    }
}
// Docker utilities
pub struct DockerUtils;
impl DockerUtils {
    pub async fn build_image(image_name: &str, tag: &str) -> Result<(), Box<dyn std::error::Error>> {
        let output = Command::new("docker")
            .args(&["build", "-t", &format!("{}:{}", image_name, tag), "."])
            .output()?;
        
        if !output.status.success() {
            return Err("Docker build failed".into());
        }
        
        Ok(())
    }
    
    pub async fn push_image(image_name: &str, tag: &str) -> Result<(), Box<dyn std::error::Error>> {
        let output = Command::new("docker")
            .args(&["push", &format!("{}:{}", image_name, tag)])
            .output()?;
        
        if !output.status.success() {
            return Err("Docker push failed".into());
        }
        
        Ok(())
    }
    
    pub async fn run_container(image_name: &str, tag: &str, port_mapping: &str) -> Result<(), Box<dyn std::error::Error>> {
        let output = Command::new("docker")
            .args(&[
                "run",
                "-d",
                "-p",
                port_mapping,
                &format!("{}:{}", image_name, tag),
            ])
            .output()?;
        
        if !output.status.success() {
            return Err("Docker run failed".into());
        }
        
        Ok(())
    }
}

☁️ Cloud Deployment

AWS Deployment

[cloud_deployment]
aws_ecs: true
aws_eks: true
aws_lambda: true
[cloud_implementation]
use aws_sdk_ecs::{Client, Config};
use aws_sdk_ecs::types::{Service, TaskDefinition};
// AWS deployment manager
pub struct AWSDeploymentManager {
    ecs_client: Client,
    config: AWSDeploymentConfig,
}
#[derive(Debug, Clone)]
pub struct AWSDeploymentConfig {
    pub cluster_name: String,
    pub service_name: String,
    pub task_definition_family: String,
    pub desired_count: i32,
    pub cpu: String,
    pub memory: String,
    pub subnets: Vec<String>,
    pub security_groups: Vec<String>,
}
impl AWSDeploymentManager {
    pub async fn new(config: AWSDeploymentConfig) -> Result<Self, Box<dyn std::error::Error>> {
        let aws_config = aws_config::load_from_env().await;
        let ecs_client = Client::new(&aws_config);
        
        Ok(Self {
            ecs_client,
            config,
        })
    }
    
    pub async fn deploy(&self, image_uri: &str) -> Result<(), Box<dyn std::error::Error>> {
        // Register new task definition
        let task_definition_arn = self.register_task_definition(image_uri).await?;
        
        // Update service
        self.update_service(&task_definition_arn).await?;
        
        // Wait for deployment to complete
        self.wait_for_deployment().await?;
        
        Ok(())
    }
    
    async fn register_task_definition(&self, image_uri: &str) -> Result<String, Box<dyn std::error::Error>> {
        let task_definition = self.ecs_client
            .register_task_definition()
            .family(&self.config.task_definition_family)
            .requires_compatibilities("FARGATE")
            .network_mode("awsvpc")
            .cpu(&self.config.cpu)
            .memory(&self.config.memory)
            .execution_role_arn("ecsTaskExecutionRole")
            .container_definitions(
                aws_sdk_ecs::types::ContainerDefinition::builder()
                    .name("app")
                    .image(image_uri)
                    .port_mappings(
                        aws_sdk_ecs::types::PortMapping::builder()
                            .container_port(8080)
                            .protocol("tcp")
                            .build()
                    )
                    .essential(true)
                    .log_configuration(
                        aws_sdk_ecs::types::LogConfiguration::builder()
                            .log_driver("awslogs")
                            .options("awslogs-group", "/ecs/app")
                            .options("awslogs-region", "us-east-1")
                            .options("awslogs-stream-prefix", "ecs")
                            .build()
                    )
                    .build()
            )
            .send()
            .await?;
        
        Ok(task_definition.task_definition().unwrap().task_definition_arn().unwrap().to_string())
    }
    
    async fn update_service(&self, task_definition_arn: &str) -> Result<(), Box<dyn std::error::Error>> {
        self.ecs_client
            .update_service()
            .cluster(&self.config.cluster_name)
            .service(&self.config.service_name)
            .task_definition(task_definition_arn)
            .desired_count(self.config.desired_count)
            .send()
            .await?;
        
        Ok(())
    }
    
    async fn wait_for_deployment(&self) -> Result<(), Box<dyn std::error::Error>> {
        let mut attempts = 0;
        let max_attempts = 30;
        
        while attempts < max_attempts {
            let services = self.ecs_client
                .describe_services()
                .cluster(&self.config.cluster_name)
                .services(&self.config.service_name)
                .send()
                .await?;
            
            if let Some(service) = services.services().first() {
                if let Some(deployments) = service.deployments() {
                    for deployment in deployments {
                        if deployment.status() == Some(&aws_sdk_ecs::types::DeploymentStatus::Primary) {
                            if deployment.desired_count() == deployment.running_count() {
                                return Ok(());
                            }
                        }
                    }
                }
            }
            
            tokio::time::sleep(Duration::from_secs(10)).await;
            attempts += 1;
        }
        
        Err("Deployment timeout".into())
    }
}
// Kubernetes deployment for cloud
pub struct KubernetesDeployment {
    pub name: String,
    pub namespace: String,
    pub replicas: u32,
    pub image: String,
    pub ports: Vec<u16>,
    pub environment_variables: HashMap<String, String>,
    pub resource_limits: ResourceLimits,
}
impl KubernetesDeployment {
    pub fn generate_yaml(&self) -> String {
        format!(
            r#"
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {}
  namespace: {}
spec:
  replicas: {}
  selector:
    matchLabels:
      app: {}
  template:
    metadata:
      labels:
        app: {}
    spec:
      containers:
      - name: {}
        image: {}
        ports:
        {}
        env:
        {}
        resources:
          requests:
            cpu: {}
            memory: {}
          limits:
            cpu: {}
            memory: {}
---
apiVersion: v1
kind: Service
metadata:
  name: {}-service
  namespace: {}
spec:
  selector:
    app: {}
  ports:
  {}
  type: LoadBalancer
"#,
            self.name,
            self.namespace,
            self.replicas,
            self.name,
            self.name,
            self.name,
            self.image,
            self.ports.iter().map(|p| format!("        - containerPort: {}", p)).collect::<Vec<_>>().join("\n"),
            self.environment_variables.iter().map(|(k, v)| format!("        - name: {}\n          value: {}", k, v)).collect::<Vec<_>>().join("\n"),
            self.resource_limits.cpu_request,
            self.resource_limits.memory_request,
            self.resource_limits.cpu_limit,
            self.resource_limits.memory_limit,
            self.name,
            self.namespace,
            self.name,
            self.ports.iter().map(|p| format!("  - protocol: TCP\n    port: {}\n    targetPort: {}", p, p)).collect::<Vec<_>>().join("\n"),
        )
    }
}

🔄 CI/CD Pipelines

GitHub Actions

[ci_cd_pipelines]
github_actions: true
gitlab_ci: true
jenkins: true
[ci_implementation]
// CI/CD pipeline configuration
pub struct CICDPipeline {
    pub name: String,
    pub triggers: Vec<Trigger>,
    pub stages: Vec<PipelineStage>,
    pub artifacts: Vec<String>,
}
#[derive(Debug, Clone)]
pub enum Trigger {
    Push { branch: String },
    PullRequest { branch: String },
    Tag { pattern: String },
    Manual,
}
#[derive(Debug, Clone)]
pub struct PipelineStage {
    pub name: String,
    pub steps: Vec<PipelineStep>,
    pub parallel: bool,
    pub dependencies: Vec<String>,
}
#[derive(Debug, Clone)]
pub struct PipelineStep {
    pub name: String,
    pub command: String,
    pub timeout: Duration,
    pub retries: u32,
}
impl CICDPipeline {
    pub fn generate_github_actions(&self) -> String {
        format!(
            r#"
name: {}
on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main ]
jobs:
  test:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    
    - name: Setup Rust
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        override: true
    
    - name: Cache dependencies
      uses: actions/cache@v3
      with:
        path: |
          ~/.cargo/registry
          ~/.cargo/git
          target
        key: ${{{{ runner.os }}}}-cargo-${{{{ hashFiles('**/Cargo.lock') }}}}
    
    - name: Run tests
      run: cargo test --verbose
    
    - name: Run clippy
      run: cargo clippy -- -D warnings
    
    - name: Check formatting
      run: cargo fmt -- --check
  build:
    needs: test
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    
    - name: Setup Rust
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable
        override: true
    
    - name: Build release
      run: cargo build --release
    
    - name: Upload artifacts
      uses: actions/upload-artifact@v3
      with:
        name: release-binary
        path: target/release/app
  deploy:
    needs: build
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'
    steps:
    - uses: actions/checkout@v3
    
    - name: Download artifacts
      uses: actions/download-artifact@v3
      with:
        name: release-binary
    
    - name: Configure AWS credentials
      uses: aws-actions/configure-aws-credentials@v1
      with:
        aws-access-key-id: ${{{{ secrets.AWS_ACCESS_KEY_ID }}}}
        aws-secret-access-key: ${{{{ secrets.AWS_SECRET_ACCESS_KEY }}}}
        aws-region: us-east-1
    
    - name: Login to Amazon ECR
      id: login-ecr
      uses: aws-actions/amazon-ecr-login@v1
    
    - name: Build and push Docker image
      env:
        ECR_REGISTRY: ${{{{ steps.login-ecr.outputs.registry }}}}
        ECR_REPOSITORY: my-app
        IMAGE_TAG: ${{{{ github.sha }}}}
      run: |
        docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG .
        docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
    
    - name: Deploy to ECS
      run: |
        aws ecs update-service --cluster my-cluster --service my-service --force-new-deployment
"#,
            self.name
        )
    }
    
    pub fn generate_gitlab_ci(&self) -> String {
        format!(
            r#"
stages:
  - test
  - build
  - deploy
variables:
  CARGO_HOME: $CI_PROJECT_DIR/.cargo
cache:
  paths:
    - .cargo/
    - target/
test:
  stage: test
  image: rust:1.70
  script:
    - cargo test --verbose
    - cargo clippy -- -D warnings
    - cargo fmt -- --check
build:
  stage: build
  image: rust:1.70
  script:
    - cargo build --release
  artifacts:
    paths:
      - target/release/app
    expire_in: 1 week
deploy:
  stage: deploy
  image: alpine:latest
  before_script:
    - apk add --no-cache aws-cli
  script:
    - aws ecs update-service --cluster my-cluster --service my-service --force-new-deployment
  only:
    - main
"#
        )
    }
}

🎯 Best Practices

1. Deployment Strategy

- Use blue-green or rolling deployments for zero-downtime - Implement proper health checks and monitoring - Use feature flags for gradual rollouts - Implement automatic rollback mechanisms

2. Security

- Use secrets management for sensitive data - Implement proper RBAC in Kubernetes - Use network policies for pod communication - Scan container images for vulnerabilities

3. Monitoring and Observability

- Implement comprehensive logging - Use metrics collection and alerting - Monitor application performance - Set up distributed tracing

4. Scalability

- Use horizontal pod autoscaling - Implement proper resource limits - Use load balancing for traffic distribution - Optimize container resource usage

5. TuskLang Integration

- Use TuskLang configuration for deployment parameters - Implement deployment automation with TuskLang - Configure monitoring and alerting through TuskLang - Use TuskLang for environment-specific configurations

Deployment strategies with TuskLang and Rust provide comprehensive solutions for production applications with robust containerization, cloud deployment, and CI/CD capabilities.