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🐘 ☁️ TuskLang PHP Serverless Guide

PHP Documentation

☁️ TuskLang PHP Serverless Guide

"We don't bow to any king" - PHP Edition

Master TuskLang serverless in PHP! This guide covers AWS Lambda, Google Cloud Functions, Azure Functions, and serverless patterns that will make your applications scalable, cost-effective, and event-driven.

🎯 Serverless Overview

TuskLang provides sophisticated serverless features that transform your applications into event-driven, auto-scaling systems. This guide shows you how to implement enterprise-grade serverless while maintaining TuskLang's power.

<?php
// config/serverless-overview.tsk
[serverless_features]
aws_lambda: @lambda.create("user-service", @request.function_config)
google_functions: @gcp.function.create("user-service", @request.function_config)
azure_functions: @azure.function.create("user-service", @request.function_config)
event_triggers: @event.trigger("s3-upload", @request.trigger_config)

🚀 AWS Lambda

Basic Lambda Function

<?php
// config/aws-lambda-basic.tsk
[lambda_function]

Basic Lambda function configuration

function_name: "user-service"
runtime: "provided.al2"
handler: "index.handler"
timeout: 30
memory_size: 512
[function_config]

Function configuration

function_config: @lambda.configure({
    "name": "user-service",
    "runtime": "provided.al2",
    "handler": "index.handler",
    "timeout": 30,
    "memory_size": 512,
    "environment": {
        "DB_HOST": @env("DB_HOST"),
        "DB_NAME": @env("DB_NAME"),
        "DB_USER": @env("DB_USER"),
        "DB_PASS": @env("DB_PASS")
    }
})
[function_code]

Function code deployment

function_code: @lambda.deploy({
    "function_name": "user-service",
    "zip_file": "user-service.zip",
    "source_dir": "src/",
    "exclude": ["tests/", "docs/", ".git/"]
})

Advanced Lambda Configuration

<?php
// config/aws-lambda-advanced.tsk
[advanced_config]

Advanced Lambda configuration

vpc_config: @lambda.vpc({
    "subnet_ids": ["subnet-12345678", "subnet-87654321"],
    "security_group_ids": ["sg-tusklang-lambda"],
    "vpc_id": "vpc-12345678"
})
[layers]

Lambda layers

custom_layer: @lambda.layer({
    "name": "tusklang-layer",
    "description": "TuskLang runtime layer",
    "compatible_runtimes": ["provided.al2"],
    "content": "layers/tusklang-layer.zip"
})
[reserved_concurrency]

Reserved concurrency

concurrency: @lambda.concurrency({
    "function_name": "user-service",
    "reserved_concurrency": 100,
    "provisioned_concurrency": 10
})

Event Triggers

<?php
// config/aws-lambda-triggers.tsk
[api_gateway_trigger]

API Gateway trigger

api_trigger: @lambda.api_gateway({
    "function_name": "user-service",
    "api_name": "user-api",
    "resource": "/users",
    "method": "GET",
    "authorization": "NONE",
    "cors": true
})
[s3_trigger]

S3 trigger

s3_trigger: @lambda.s3({
    "function_name": "image-processor",
    "bucket": "user-uploads",
    "events": ["s3:ObjectCreated:*"],
    "prefix": "images/",
    "suffix": ".jpg"
})
[sqs_trigger]

SQS trigger

sqs_trigger: @lambda.sqs({
    "function_name": "message-processor",
    "queue_arn": "arn:aws:sqs:us-east-1:123456789012:user-messages",
    "batch_size": 10,
    "maximum_batching_window": 5
})
[dynamodb_trigger]

DynamoDB trigger

dynamodb_trigger: @lambda.dynamodb({
    "function_name": "user-stream-processor",
    "table_name": "users",
    "stream_arn": "arn:aws:dynamodb:us-east-1:123456789012:table/users/stream/2024-01-01T00:00:00.000",
    "starting_position": "LATEST"
})

🌐 Google Cloud Functions

Basic Cloud Function

<?php
// config/gcp-functions-basic.tsk
[cloud_function]

Basic Cloud Function configuration

function_name: "user-service"
runtime: "php81"
entry_point: "handleRequest"
timeout: 540
memory: "512Mi"
[function_config]

Function configuration

function_config: @gcp.function.configure({
    "name": "user-service",
    "runtime": "php81",
    "entry_point": "handleRequest",
    "timeout": 540,
    "memory": "512Mi",
    "environment_variables": {
        "DB_HOST": @env("DB_HOST"),
        "DB_NAME": @env("DB_NAME"),
        "DB_USER": @env("DB_USER"),
        "DB_PASS": @env("DB_PASS")
    }
})
[function_deployment]

Function deployment

function_deployment: @gcp.function.deploy({
    "function_name": "user-service",
    "source": "src/",
    "region": "us-central1",
    "project": @env("GCP_PROJECT_ID")
})

Advanced Cloud Function Configuration

<?php
// config/gcp-functions-advanced.tsk
[advanced_config]

Advanced Cloud Function configuration

vpc_connector: @gcp.function.vpc({
    "vpc_connector": "projects/tusklang-project/locations/us-central1/connectors/tusklang-connector",
    "egress_settings": "PRIVATE_RANGES_ONLY"
})
[secrets]

Secret management

secrets: @gcp.function.secrets({
    "db_password": "projects/tusklang-project/secrets/db-password/versions/latest",
    "api_key": "projects/tusklang-project/secrets/api-key/versions/latest"
})
[scaling]

Scaling configuration

scaling: @gcp.function.scaling({
    "min_instances": 0,
    "max_instances": 100,
    "cpu_threshold": 0.6,
    "concurrency": 80
})

Event Triggers

<?php
// config/gcp-functions-triggers.tsk
[http_trigger]

HTTP trigger

http_trigger: @gcp.function.http({
    "function_name": "user-service",
    "url": "https://us-central1-tusklang-project.cloudfunctions.net/user-service",
    "allow_unauthenticated": false,
    "invoker": "allUsers"
})
[pubsub_trigger]

Pub/Sub trigger

pubsub_trigger: @gcp.function.pubsub({
    "function_name": "message-processor",
    "topic": "user-messages",
    "subscription": "user-messages-sub",
    "ack_deadline": 20
})
[storage_trigger]

Cloud Storage trigger

storage_trigger: @gcp.function.storage({
    "function_name": "image-processor",
    "bucket": "user-uploads",
    "event_type": "google.storage.object.finalize",
    "resource": "projects/_/buckets/user-uploads"
})
[firestore_trigger]

Firestore trigger

firestore_trigger: @gcp.function.firestore({
    "function_name": "user-document-processor",
    "collection": "users",
    "event_type": "providers/cloud.firestore/eventTypes/document.write",
    "document": "users/{userId}"
})

🔷 Azure Functions

Basic Azure Function

<?php
// config/azure-functions-basic.tsk
[azure_function]

Basic Azure Function configuration

function_name: "user-service"
runtime: "php"
version: "4"
timeout: "00:05:00"
memory: "512MB"
[function_config]

Function configuration

function_config: @azure.function.configure({
    "name": "user-service",
    "runtime": "php",
    "version": "4",
    "timeout": "00:05:00",
    "memory": "512MB",
    "app_settings": {
        "DB_HOST": @env("DB_HOST"),
        "DB_NAME": @env("DB_NAME"),
        "DB_USER": @env("DB_USER"),
        "DB_PASS": @env("DB_PASS")
    }
})
[function_deployment]

Function deployment

function_deployment: @azure.function.deploy({
    "function_name": "user-service",
    "resource_group": "tusklang-rg",
    "storage_account": "tusklangstorage",
    "app_service_plan": "tusklang-plan"
})

Advanced Azure Function Configuration

<?php
// config/azure-functions-advanced.tsk
[advanced_config]

Advanced Azure Function configuration

vnet_integration: @azure.function.vnet({
    "vnet_name": "tusklang-vnet",
    "subnet_name": "functions-subnet",
    "resource_group": "tusklang-rg"
})
[managed_identity]

Managed identity

managed_identity: @azure.function.identity({
    "type": "SystemAssigned",
    "permissions": [
        "Microsoft.KeyVault/secrets/read",
        "Microsoft.Storage/storageAccounts/blobServices/containers/read"
    ]
})
[scaling]

Scaling configuration

scaling: @azure.function.scaling({
    "min_instances": 0,
    "max_instances": 100,
    "scale_out_threshold": 0.7,
    "scale_in_threshold": 0.3
})

Event Triggers

<?php
// config/azure-functions-triggers.tsk
[http_trigger]

HTTP trigger

http_trigger: @azure.function.http({
    "function_name": "user-service",
    "route": "users/{id?}",
    "methods": ["GET", "POST", "PUT", "DELETE"],
    "auth_level": "function"
})
[blob_trigger]

Blob Storage trigger

blob_trigger: @azure.function.blob({
    "function_name": "image-processor",
    "path": "user-uploads/{name}",
    "connection": "AzureWebJobsStorage"
})
[queue_trigger]

Queue trigger

queue_trigger: @azure.function.queue({
    "function_name": "message-processor",
    "queue_name": "user-messages",
    "connection": "AzureWebJobsStorage"
})
[cosmos_db_trigger]

Cosmos DB trigger

cosmos_db_trigger: @azure.function.cosmosdb({
    "function_name": "user-document-processor",
    "database_name": "users",
    "collection_name": "user-documents",
    "connection_string_setting": "CosmosDBConnection"
})

🔄 Event-Driven Patterns

Event Sourcing

<?php
// config/event-sourcing-serverless.tsk
[event_store]

Event store configuration

event_store: @event.store.serverless({
    "provider": "dynamodb",
    "table_name": "user-events",
    "stream_enabled": true,
    "partition_key": "aggregate_id",
    "sort_key": "version"
})
[event_streams]

Event streams

user_events: @event.stream.serverless({
    "stream_name": "user-events",
    "aggregate_type": "User",
    "events": [
        "UserCreated",
        "UserUpdated",
        "UserDeleted"
    ]
})
[event_projections]

Event projections

user_projection: @event.projection.serverless({
    "name": "user-projection",
    "stream": "user-events",
    "handler": "UserProjectionHandler",
    "materialized_view": "users"
})

CQRS Pattern

<?php
// config/cqrs-serverless.tsk
[cqrs_config]

CQRS configuration

command_handlers: @cqrs.command.serverless({
    "create_user": {
        "function": "user-command-handler",
        "event_type": "UserCreated",
        "aggregate": "User"
    },
    "update_user": {
        "function": "user-command-handler",
        "event_type": "UserUpdated",
        "aggregate": "User"
    }
})
[query_handlers]

Query handlers

query_handlers: @cqrs.query.serverless({
    "get_user": {
        "function": "user-query-handler",
        "read_model": "users",
        "cache": true
    },
    "list_users": {
        "function": "user-query-handler",
        "read_model": "users",
        "pagination": true
    }
})

🔐 Security and Authentication

Authentication

<?php
// config/serverless-security.tsk
[authentication]

Authentication configuration

jwt_auth: @auth.jwt.serverless({
    "issuer": "tusklang-serverless",
    "audience": "api-gateway",
    "secret": @env("JWT_SECRET"),
    "algorithm": "HS256",
    "expiration": 3600
})
oauth2_auth: @auth.oauth2.serverless({
    "provider": "cognito",
    "user_pool_id": @env("COGNITO_USER_POOL_ID"),
    "client_id": @env("COGNITO_CLIENT_ID"),
    "region": "us-east-1"
})
[authorization]

Authorization configuration

rbac: @auth.rbac.serverless({
    "roles": {
        "admin": ["users:read", "users:write", "users:delete"],
        "user": ["users:read", "users:write"],
        "guest": ["users:read"]
    },
    "permissions": {
        "users:read": ["admin", "user", "guest"],
        "users:write": ["admin", "user"],
        "users:delete": ["admin"]
    }
})

Secrets Management

<?php
// config/serverless-secrets.tsk
[secrets_management]

Secrets management

aws_secrets: @secrets.aws({
    "secret_name": "tusklang-secrets",
    "region": "us-east-1",
    "rotation": true,
    "rotation_days": 30
})
gcp_secrets: @secrets.gcp({
    "project_id": @env("GCP_PROJECT_ID"),
    "secret_id": "tusklang-secrets",
    "version": "latest"
})
azure_secrets: @secrets.azure({
    "vault_name": "tusklang-vault",
    "secret_name": "tusklang-secrets",
    "version": "latest"
})

📊 Monitoring and Observability

CloudWatch Monitoring

<?php
// config/serverless-monitoring.tsk
[cloudwatch_monitoring]

CloudWatch monitoring

metrics: @monitoring.cloudwatch({
    "namespace": "TuskLang/Serverless",
    "dimensions": ["FunctionName", "Environment"],
    "metrics": [
        "invocations",
        "duration",
        "errors",
        "throttles"
    ]
})
[alerts]

CloudWatch alerts

alerts: @monitoring.cloudwatch.alerts({
    "high_error_rate": {
        "metric": "Errors",
        "threshold": 5,
        "period": 300,
        "evaluation_periods": 2
    },
    "high_duration": {
        "metric": "Duration",
        "threshold": 5000,
        "period": 300,
        "evaluation_periods": 2
    }
})

Distributed Tracing

<?php
// config/serverless-tracing.tsk
[distributed_tracing]

Distributed tracing

xray_tracing: @tracing.xray({
    "service_name": "user-service",
    "sampling_rate": 1.0,
    "aws_xray_daemon_address": "127.0.0.1:2000"
})
[traces]

Trace spans

function_trace: @tracing.xray.span({
    "name": "user-service.function",
    "type": "function",
    "metadata": {
        "function_name": "user-service",
        "runtime": "provided.al2",
        "memory_size": 512
    }
})

🔄 Serverless Patterns

Fan-Out Pattern

<?php
// config/fan-out-pattern.tsk
[fan_out_config]

Fan-out pattern configuration

fan_out: @pattern.fan_out({
    "trigger_function": "user-upload-processor",
    "worker_functions": [
        "image-resizer",
        "thumbnail-generator",
        "metadata-extractor"
    ],
    "coordination": "sns"
})
[coordination]

Coordination configuration

sns_coordination: @pattern.sns.coordination({
    "topic_arn": "arn:aws:sns:us-east-1:123456789012:user-upload-events",
    "subscriptions": [
        "arn:aws:lambda:us-east-1:123456789012:function:image-resizer",
        "arn:aws:lambda:us-east-1:123456789012:function:thumbnail-generator",
        "arn:aws:lambda:us-east-1:123456789012:function:metadata-extractor"
    ]
})

Saga Pattern

<?php
// config/saga-pattern-serverless.tsk
[saga_config]

Saga pattern configuration

create_user_saga: @saga.serverless({
    "name": "create_user_saga",
    "steps": [
        {
            "name": "create_user",
            "function": "user-service",
            "action": "createUser",
            "compensation": "deleteUser"
        },
        {
            "name": "send_welcome_email",
            "function": "email-service",
            "action": "sendWelcomeEmail",
            "compensation": "deleteEmail"
        },
        {
            "name": "create_user_profile",
            "function": "profile-service",
            "action": "createProfile",
            "compensation": "deleteProfile"
        }
    ],
    "coordination": "step_functions"
})

📚 Best Practices

Serverless Best Practices

<?php
// config/serverless-best-practices.tsk
[best_practices]

Serverless best practices

cold_start_optimization: @serverless.optimize.cold_start({
    "provisioned_concurrency": 10,
    "keep_warm": true,
    "warm_up_interval": 300
})
memory_optimization: @serverless.optimize.memory({
    "right_sizing": true,
    "monitoring": true,
    "auto_scaling": true
})
[anti_patterns]

Serverless anti-patterns

avoid_long_running: @serverless.anti_pattern("long_running", {
    "max_duration": 900,
    "timeout": 30,
    "async_processing": true
})
avoid_stateful: @serverless.anti_pattern("stateful", {
    "stateless": true,
    "external_storage": true,
    "session_management": "external"
})

📚 Next Steps

Now that you've mastered TuskLang's serverless features in PHP, explore:

1. Advanced Serverless Patterns - Implement sophisticated serverless patterns 2. Multi-Cloud Deployment - Deploy across multiple cloud providers 3. Event-Driven Architecture - Build event-driven serverless applications 4. Cost Optimization - Optimize serverless costs and performance 5. Security Hardening - Advanced security patterns for serverless

🆘 Need Help?

- Documentation: https://tuskt.sk/documents/php/serverless - Examples: https://github.com/tusklang/php-examples - Community: https://community.tuskt.sk

---

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