Benefits and Usage of Serverless Technologies - AZ-900 Certification Course

John Savill's Technical Training
2 Jan 202206:53

Summary

TLDRThis lesson delves into the advantages and applications of serverless technologies, focusing on Azure Functions and Azure Logic Apps. It explains that serverless computing is event-driven, consumption-based, and doesn't require managing infrastructure. Azure Functions allows developers to write code in various languages for specific events, while Azure Logic Apps offers a no-code/low-code solution with a range of connectors for various services, enabling non-developers to automate tasks through a visual designer. The lesson highlights the stateless nature of functions and introduces Durable Functions for maintaining state across events.

Takeaways

  • 🚀 Serverless technologies offer benefits such as not having to manage underlying infrastructure and being billed based on actual work done.
  • 🔍 Serverless solutions are event-driven, meaning they are triggered by specific events like storage writes, new messages in a queue, scheduled events, or RESTful calls.
  • 💡 Azure Functions are part of the serverless offerings where developers write code in supported languages to run in response to events.
  • 🌐 Azure Functions typically operate in a stateless manner, with each function invocation being independent and without shared in-memory state.
  • 🔄 Durable Functions in Azure allow for maintaining state between events, useful for complex workflows involving multiple steps or interactions.
  • 🛠 Azure Logic Apps provide a no-code or low-code solution for creating workflows, suitable for citizen developers who want to automate tasks without writing code.
  • 🔌 Azure Logic Apps utilize a wide range of connectors to integrate with various services and perform actions, making it easier to set up workflows without coding.
  • 📚 Logic Apps are built on top of Power Automate, which is designed for automating tasks based on triggers, making it accessible for non-developers.
  • 📈 The Logic App Designer offers a graphical interface for workflow creation, allowing users to drag and drop actions and connectors to build their automations.
  • 🗃️ There are numerous templates available in Logic Apps for common scenarios, allowing users to quickly start with a predefined workflow and customize it as needed.
  • 🔑 The focus of using Logic Apps is the ability to leverage well-known APIs and existing connectors to create workflows without the need for extensive coding.

Q & A

  • What are the core benefits of serverless technologies?

    -The core benefits of serverless technologies include the absence of underlying infrastructure management, consumption-based billing based on the actual work done, and event-driven execution, which means they run only when triggered by an event.

  • What are the two main types of serverless offerings discussed in the script?

    -The two main types of serverless offerings discussed are Azure Functions and Azure Logic Apps.

  • How does the Azure Functions service differ from Azure Logic Apps?

    -Azure Functions is designed for developers who want to write and run code in response to events, while Azure Logic Apps is aimed at citizen developers and focuses on a no-code or low-code approach with a graphical authoring experience and connectors to various services.

  • What is the default stateless nature of Azure Functions?

    -By default, Azure Functions are stateless, meaning there is no shared state in memory between calls or events. Each function is spun up to run the code and then it goes away.

  • What is Durable Functions and how does it differ from the default stateless Azure Functions?

    -Durable Functions is a feature that allows Azure Functions to maintain state between events, enabling scenarios like asynchronous interactions, long-running processes, or human interactions. It differs from the default stateless Azure Functions by providing a way to maintain state and manage complex workflows.

  • What are some examples of triggers that can activate serverless technologies?

    -Examples of triggers include writing to a storage account, adding a new message to a queue, scheduled events, or making a RESTful call to an endpoint.

  • What is the significance of the supported languages for Azure Functions?

    -The supported languages for Azure Functions are important because they allow developers to write code in their preferred language, which currently includes .NET, Node.js, Python, Java, PowerShell Core, or even a custom handler.

  • How does Azure Logic Apps enable citizen developers to automate tasks?

    -Azure Logic Apps provides a graphical authoring experience with a series of connectors that integrate with various services, allowing citizen developers to automate tasks based on triggers without writing extensive code.

  • What is the relationship between Power Automate and Azure Logic Apps?

    -Power Automate is built on Azure Logic Apps, which means it leverages the same low-code approach and connectors to automate tasks and workflows.

  • What are the advantages of using Azure Logic Apps for non-developers?

    -Azure Logic Apps offers advantages for non-developers by providing a no-code or low-code solution with a graphical interface, a wide range of connectors to integrate with various services, and templates that can be leveraged for common scenarios.

  • How can the number of connectors available in Azure Logic Apps benefit users?

    -The large number of connectors available in Azure Logic Apps allows users to integrate with a wide range of services and systems, both cloud-based and on-premises, enabling complex workflows and automations without the need for custom coding.

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Etiquetas Relacionadas
ServerlessAzureCloud ComputingEvent-DrivenCode ExecutionNo-CodeLogic AppsConnectorsAutomationFunctions as a Service
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