{"id":4070,"date":"2023-11-04T23:14:02","date_gmt":"2023-11-04T23:14:02","guid":{"rendered":"http:\/\/localhost:10003\/introduction-to-aws-lambda\/"},"modified":"2023-11-05T05:48:22","modified_gmt":"2023-11-05T05:48:22","slug":"introduction-to-aws-lambda","status":"publish","type":"post","link":"http:\/\/localhost:10003\/introduction-to-aws-lambda\/","title":{"rendered":"Introduction to AWS Lambda"},"content":{"rendered":"

Introduction to AWS Lambda<\/h2>\n

AWS Lambda is a compute service provided by Amazon Web Services (AWS) that allows you to run serverless applications. With Lambda, you can run your code without provisioning or managing servers. AWS Lambda supports code written in various languages including Node.js, Python, Java, C#, and Go.<\/p>\n

Getting Started with AWS Lambda<\/h3>\n

Before we dive into AWS Lambda, make sure you have an AWS account. If you don’t have one already, you can sign up for a free account that provides 12 months of access to numerous AWS services.<\/p>\n

To get started, follow the steps below:<\/p>\n

    \n
  1. Go to the AWS Management Console and log in with your AWS account credentials.<\/li>\n
  2. Select the Lambda service from the list of services.<\/li>\n
  3. Create a new function.<\/li>\n
  4. Choose a blueprint or create your own function.<\/li>\n
  5. Configure the function.<\/li>\n
  6. Test the function.<\/li>\n<\/ol>\n

    Creating a Function in AWS Lambda<\/h3>\n

    Creating a function in AWS Lambda is easy. You can either use one of the pre-built blueprints or create a new function from scratch. In this tutorial, we will show you how to create a new function from scratch.<\/p>\n

      \n
    1. Go to the Lambda Dashboard and click on the Create Function button.<\/li>\n
    2. Select Author from Scratch.<\/li>\n
    3. Choose your preferred language (e.g., Node.js, Python, etc.) and enter a name for your function.<\/li>\n
    4. Configure the function settings, such as the function handler and role.<\/li>\n
    5. Click Create Function.<\/li>\n<\/ol>\n

      Once your function is created, it will display in the Functions list on the Lambda Dashboard.<\/p>\n

      Editing a Function in AWS Lambda<\/h3>\n

      To edit a function in AWS Lambda, follow the steps below:<\/p>\n

        \n
      1. Go to the Lambda Dashboard and click on the name of the function you want to edit.<\/li>\n
      2. You will be taken to the function’s configuration page.<\/li>\n
      3. Click on the Code tab to edit your function’s code.<\/li>\n<\/ol>\n

        Once you have made your edits, click Save to save your changes.<\/p>\n

        Testing a Function in AWS Lambda<\/h3>\n

        Testing a function in AWS Lambda is easy. There are several ways to test your function:<\/p>\n

          \n
        1. Use the Test button on the Lambda Dashboard.<\/li>\n
        2. Use the AWS CLI to invoke your function.<\/li>\n
        3. Use an event source to trigger your function.<\/li>\n<\/ol>\n

          Let’s look at each of these methods in more detail.<\/p>\n

          Testing with the Test Button<\/h4>\n

          To test your function using the Test button on the Lambda Dashboard, follow the steps below:<\/p>\n

            \n
          1. Click on the Test button on the Lambda Dashboard.<\/li>\n
          2. The Test Event dialog box will appear.<\/li>\n
          3. Enter a name for the event and add some sample JSON data for your event payload.<\/li>\n
          4. Click Create to create the event.<\/li>\n
          5. Click the Test button again to test your function with the newly created event.<\/li>\n<\/ol>\n

            Testing with the AWS CLI<\/h4>\n

            To test your function using the AWS CLI, follow the steps below:<\/p>\n

              \n
            1. Open a command prompt or terminal window.<\/li>\n
            2. Use the AWS Lambda invoke command to invoke your function with sample data.<\/li>\n
            3. View the output of the command to see the results of your function.<\/li>\n<\/ol>\n

              Testing with an Event Source<\/h4>\n

              You can also test your function using an event source. An event source can be any AWS service that is integrated with AWS Lambda, such as S3, DynamoDB, Kinesis, and others.<\/p>\n

              To test your function with an event source, follow the steps below:<\/p>\n

                \n
              1. Go to the AWS service that is integrated with your function, such as S3 or DynamoDB.<\/li>\n
              2. Configure the event source to trigger your function.<\/li>\n
              3. Upload a test file (if testing with S3).<\/li>\n
              4. View the output log of your function to see the results of your test.<\/li>\n<\/ol>\n

                Deploying a Function to AWS Lambda<\/h3>\n

                To deploy a function to AWS Lambda, follow the steps below:<\/p>\n

                  \n
                1. Create a new function or edit an existing function.<\/li>\n
                2. Upload your code or edit your function’s code via the Code tab.<\/li>\n
                3. Configure your function settings, such as the function handler and role.<\/li>\n
                4. Save your changes.<\/li>\n<\/ol>\n

                  Once your changes are saved, your function will be deployed to AWS Lambda.<\/p>\n

                  Monitoring a Function in AWS Lambda<\/h3>\n

                  Monitoring a function in AWS Lambda allows you to track its performance, view logs, and troubleshoot any issues. You can use the Lambda Dashboard or CloudWatch to monitor your function.<\/p>\n

                  To monitor your function using the Lambda Dashboard, follow the steps below:<\/p>\n

                    \n
                  1. Go to the Lambda Dashboard and click on the name of the function you want to monitor.<\/li>\n
                  2. The function’s configuration page will appear.<\/li>\n
                  3. Click on the Monitoring tab to view metrics and logs.<\/li>\n<\/ol>\n

                    To monitor your function using CloudWatch, follow the steps below:<\/p>\n

                      \n
                    1. Go to the CloudWatch Console and select Logs from the list of services.<\/li>\n
                    2. Click on the Log Groups tab.<\/li>\n
                    3. Select the log group associated with your function from the list.<\/li>\n
                    4. View the logs and metrics associated with your function.<\/li>\n<\/ol>\n

                      Pricing for AWS Lambda<\/h3>\n

                      Pricing for AWS Lambda is based on the number of requests and the duration of each function invocation. AWS Lambda offers a free tier that includes 1 million free requests and 400,000 GB-seconds of compute time per month. Additional usage beyond the free tier incurs charges based on the number of requests and the duration of each function invocation.<\/p>\n

                      Conclusion<\/h3>\n

                      AWS Lambda is a powerful compute service provided by Amazon Web Services that allows you to run serverless applications. With Lambda, you can run your code without provisioning or managing servers. In this tutorial, we covered the basics of AWS Lambda, including how to create, edit, test, deploy, and monitor a function. We also discussed pricing for AWS Lambda, including the free tier available to all AWS users. With AWS Lambda, you can easily create and deploy scalable applications that can handle any workload.<\/p>\n","protected":false},"excerpt":{"rendered":"

                      Introduction to AWS Lambda AWS Lambda is a compute service provided by Amazon Web Services (AWS) that allows you to run serverless applications. With Lambda, you can run your code without provisioning or managing servers. AWS Lambda supports code written in various languages including Node.js, Python, Java, C#, and Go. Continue Reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[1156,1153,1155,1154,424,1152],"yoast_head":"\nIntroduction to AWS Lambda - Pantherax Blogs<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/localhost:10003\/introduction-to-aws-lambda\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction to AWS Lambda\" \/>\n<meta property=\"og:description\" content=\"Introduction to AWS Lambda AWS Lambda is a compute service provided by Amazon Web Services (AWS) that allows you to run serverless applications. 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