[{"data":1,"prerenderedAt":402},["ShallowReactive",2],{"content-svc-lambda-guides-effectively-running-java-on-serverless-terraform":3},{"markdown":4,"frontMatterAttributes":5,"bodyRaw":19,"menu":20,"menuType":393,"isCollapseableMenu":23,"nextDocItem":356,"previousDocItem":335,"contributorPaths":394,"contentName":401,"slug":352,"readingTime":37},"\u003Cp>\u003Ca href=\"https:\u002F\u002Fdeveloper.hashicorp.com\u002Fterraform\u002Ftutorials\u002Faws-get-started\u002Finstall-cli\">Terraform\u003C\u002Fa> is a commonly \nused IaC (Infrastructure as Code) tool for organizations.\nFor Java-based Lambda functions there are no major differences on how to provision a Lambda function compared to other\nruntimes, however take extra while activating SnapStart for Lambda functions.\u003C\u002Fp>\n\u003Cp>As mentioned earlier in the Lambda SnapStart section, SnapStart works with a Lambda version or alias instead of the\n\u003Ccode>$latest\u003C\u002Fcode> version of function.\u003C\u002Fp>\n\u003Cpre>\u003Ccode class=\"language-hcl\">resource &quot;aws_lambda_function&quot; &quot;UnicornStockBrokerFunction&quot; {\n  function_name = &quot;UnicornStockBrokerFunction&quot;\n  filename = var.SourceCodePath\n  handler = &quot;org.springframework.cloud.function.adapter.aws.FunctionInvoker::handleRequest&quot;\n  runtime = &quot;java11&quot;\n\n  environment {\n    variables = {\n      TABLE_NAME = aws_dynamodb_table.transactions_table.name\n      BUCKET_NAME = aws_s3_bucket.validationfiles-bucket.id\n      JAVA_TOOL_OPTIONS = &quot;-XX:+TieredCompilation -XX:TieredStopAtLevel=1&quot;\n    }\n  }\n\n  source_code_hash = filebase64sha256(var.SourceCodePath)\n  role = aws_iam_role.UnicornStockBrokerFunctionRole.arn\n\n  timeout     = &quot;200&quot;\n  memory_size = &quot;2048&quot;\n  \n  snap_start {\n    apply_on =&quot;PublishedVersions&quot;\n  }\n  publish = true\n}\n\nresource &quot;aws_lambda_alias&quot; &quot;UnicornStockBrokerFunction_SnapStartAlias&quot; {\n  name             = &quot;SnapStart&quot;\n  description      = &quot;Alias for SnapStart&quot;\n  function_name    = aws_lambda_function.UnicornStockBrokerFunction.function_name\n  function_version = aws_lambda_function.UnicornStockBrokerFunction.version\n}\n\nresource &quot;aws_api_gateway_integration&quot; &quot;createproduct-lambda&quot; {\n  rest_api_id = aws_api_gateway_rest_api.unicornstockbroker_apigw.id\n  resource_id = aws_api_gateway_method.createtransactions.resource_id\n  http_method = aws_api_gateway_method.createtransactions.http_method\n  integration_http_method = &quot;POST&quot;\n  type                    = &quot;AWS_PROXY&quot;\n\n  uri = aws_lambda_alias.UnicornStockBrokerFunction_SnapStartAlias.invoke_arn\n}\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch4>Terraform with AWS SAM CLI\u003C\u002Fh4>\n\u003Cp>One of the many benefits of using AWS SAM CLI is its ability to facilitate local development and testing.\nThe core Terraform workflow consists of three stages: Write, Plan, and Apply. \nWith AWS SAM CLI support for Terraform, \nyou can take advantage of the AWS SAM CLI sam local set of commands \nwhile continuing to use your Terraform workflows to manage your applications on AWS.\u003C\u002Fp>\n\u003Cp>Refer to \u003Ca href=\"https:\u002F\u002Fdocs.aws.amazon.com\u002Fserverless-application-model\u002Flatest\u002Fdeveloperguide\u002Fwhat-is-terraform-support.html\">AWS SAM CLI Terraform support\u003C\u002Fa>\nto learn more.\u003C\u002Fp>\n",{"title":6,"order":7,"authors":8,"resources":10},"Terraform",9,[9],"Dhiraj Mahapatro",[11,15],{"link":12,"type":13,"text":14},"https:\u002F\u002Fgithub.com\u002Faws-samples\u002Fserverless-patterns\u002Ftree\u002Fmain\u002Fapigw-lambda-snapstart-terraform","GitHub","Java sample with Terraform",{"link":16,"text":17,"type":18},"https:\u002F\u002Fdocs.aws.amazon.com\u002Fserverless-application-model\u002Flatest\u002Fdeveloperguide\u002Fwhat-is-terraform-support.html","AWS SAM CLI Terraform support","user guide","[Terraform](https:\u002F\u002Fdeveloper.hashicorp.com\u002Fterraform\u002Ftutorials\u002Faws-get-started\u002Finstall-cli) is a commonly \nused IaC (Infrastructure as Code) tool for organizations.\nFor Java-based Lambda functions there are no major differences on how to provision a Lambda function compared to other\nruntimes, however take extra while activating SnapStart for Lambda functions.\n\nAs mentioned earlier in the Lambda SnapStart section, SnapStart works with a Lambda version or alias instead of the\n`$latest` version of function.\n\n```hcl\nresource \"aws_lambda_function\" \"UnicornStockBrokerFunction\" {\n  function_name = \"UnicornStockBrokerFunction\"\n  filename = var.SourceCodePath\n  handler = \"org.springframework.cloud.function.adapter.aws.FunctionInvoker::handleRequest\"\n  runtime = \"java11\"\n\n  environment {\n    variables = {\n      TABLE_NAME = aws_dynamodb_table.transactions_table.name\n      BUCKET_NAME = aws_s3_bucket.validationfiles-bucket.id\n      JAVA_TOOL_OPTIONS = \"-XX:+TieredCompilation -XX:TieredStopAtLevel=1\"\n    }\n  }\n\n  source_code_hash = filebase64sha256(var.SourceCodePath)\n  role = aws_iam_role.UnicornStockBrokerFunctionRole.arn\n\n  timeout     = \"200\"\n  memory_size = \"2048\"\n  \n  snap_start {\n    apply_on =\"PublishedVersions\"\n  }\n  publish = true\n}\n\nresource \"aws_lambda_alias\" \"UnicornStockBrokerFunction_SnapStartAlias\" {\n  name             = \"SnapStart\"\n  description      = \"Alias for SnapStart\"\n  function_name    = aws_lambda_function.UnicornStockBrokerFunction.function_name\n  function_version = aws_lambda_function.UnicornStockBrokerFunction.version\n}\n\nresource \"aws_api_gateway_integration\" \"createproduct-lambda\" {\n  rest_api_id = aws_api_gateway_rest_api.unicornstockbroker_apigw.id\n  resource_id = aws_api_gateway_method.createtransactions.resource_id\n  http_method = aws_api_gateway_method.createtransactions.http_method\n  integration_http_method = \"POST\"\n  type                    = \"AWS_PROXY\"\n\n  uri = aws_lambda_alias.UnicornStockBrokerFunction_SnapStartAlias.invoke_arn\n}\n```\n#### Terraform with AWS SAM CLI\nOne of the many benefits of using AWS SAM CLI is its ability to facilitate local development and testing.\nThe core Terraform workflow consists of three stages: Write, Plan, and Apply. \nWith AWS SAM CLI support for Terraform, \nyou can take advantage of the AWS SAM CLI sam local set of commands \nwhile continuing to use your Terraform workflows to manage your applications on AWS.\n\nRefer to [AWS SAM CLI Terraform support](https:\u002F\u002Fdocs.aws.amazon.com\u002Fserverless-application-model\u002Flatest\u002Fdeveloperguide\u002Fwhat-is-terraform-support.html)\nto learn more.\n",[21,41,67,195,247,304,320,353,375],{"title":22,"collapsible":23,"isCollapsed":24,"content":25},"Introduction",false,true,[26],{"title":27,"order":28,"authors":29,"callout":30,"prerequisite":34,"time":37,"path":38,"id":39,"link":40},"Getting Started",1,[9],{"title":31,"description":32,"link":33},"Watch this video","This Devoxx Belgium 2023 presentation shows effectively running Java on Serverless","https:\u002F\u002Fyoutu.be\u002Fu3tgOE8qFjI?t=5549",[35,36],"Understanding of Java","Understanding of AWS Lambda","2 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