AWS API Gateway & AWS Lambda | AWS Serverless tutorial | Part II

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Block Explorer

Block Explorer

5 жыл бұрын

Join us in this tutorial as we use AWS Lambda, AWS API Gateway and DynamoDB to create a serverless backend for your application.
Create a Serverless App Part II
In part II of this series we create a REST API using AWS API Gateway to call our Lambda functions.
Topics included:
AWS API Gateway
AWS Lambda
Model JSON schema example code:
docs.aws.amazon.com/apigatewa...
Starter code for 'Create a Serverlesss App' tutorial:
github.com/jspruance/hexal-se...
Completed code for 'Create a Serverlesss App' tutorial:
github.com/jspruance/hexal-se...
Hexal laambda functions:
github.com/jspruance/hexal-la...

Пікірлер: 48
@dustybest5775
@dustybest5775 5 жыл бұрын
Finished with part 2. Thanks again for the great tutorial!
@sureshgandhi3313
@sureshgandhi3313 4 жыл бұрын
Awesome way of explaining things! Succinct and clear. God bless you man!
@krugerbrent4270
@krugerbrent4270 3 жыл бұрын
Both part I and part II were amazing. Thanks a lot for the detailed walkthrough. Looking forward to your Udemy course.
@scottwalters6908
@scottwalters6908 4 жыл бұрын
Best tutorials! Very clear and concise with detail. Thank you!
@kolektivmozak238
@kolektivmozak238 3 жыл бұрын
Fantastic tutorial - all 3 parts! Thanks a lot!
@BilalAliKhanbkhan
@BilalAliKhanbkhan 4 жыл бұрын
Thank you, love from Pakistan.
@yutao1982
@yutao1982 5 жыл бұрын
excellent!
@victorsherstiuk4874
@victorsherstiuk4874 4 жыл бұрын
Thank you, you can help me very much
@michealbond8826
@michealbond8826 4 жыл бұрын
great tutorial!
@BlockExplorerMedia
@BlockExplorerMedia 4 жыл бұрын
thanks Micheal!
@benjih4385
@benjih4385 3 жыл бұрын
I love the theme music man :D
@BlockExplorerMedia
@BlockExplorerMedia Жыл бұрын
Thanks man, I made it on my old casio mt-65!
@imlautaro123
@imlautaro123 3 жыл бұрын
Great videos! Can you make a video explaining how to receive and process files using api gateway & lambda? Like... the user picture idk. Greetings from Argentina :D
@reidyoung298
@reidyoung298 4 жыл бұрын
URL for API Gateway schema example code as of Mar. 19th, 2020: docs.aws.amazon.com/apigateway/latest/developerguide/rest-api-data-transformations.html
@vijaybabaria3253
@vijaybabaria3253 4 жыл бұрын
curious if there is a way to test lambda code directly from VSCode editor for newbie to avoid moving code back and forth to verify? thanks for sharing
@Scarppegios
@Scarppegios 4 жыл бұрын
Was confused why the id for DELETE method was 'undefined', turns out I forgot to check the 'lambda proxy' option in the integration request!
@Gustavo-ix3ut
@Gustavo-ix3ut 4 жыл бұрын
Hey, where is the video that you create getUsersData lambda?
@MikeSchleif
@MikeSchleif 4 жыл бұрын
I cannot find Part 1 - which video is that?
@emmanuelescoto4731
@emmanuelescoto4731 3 жыл бұрын
it'll be great that teaching us how do lambdas using the express framework. is possible do that? grettings since Guadalajara Jalisco Mexico
@amogoose
@amogoose 4 жыл бұрын
I forgot to put {} between id when creating a resource path. Is there any method to edit resource?
@piotrfilochowski1646
@piotrfilochowski1646 3 жыл бұрын
It's fascinating. The tutorial is 2 years old, and the management console looks totally different. I feel like there is a big lack of stability here.
@NoraRobertsonAKAthenora
@NoraRobertsonAKAthenora 4 жыл бұрын
The link for the JSON Schema example doesn't have the same data anymore.
@steveb7600
@steveb7600 4 жыл бұрын
Great lecture, however I don't believe proxy integration inherently modify's the event object. It just expedites the method request by not allowing modification with body mapping/transform and velocity templates from the integration response and integration request, as they are disabled by electing proxy integration. Proxy integration should speed up the request by disabling these features.
@radhikathakkar8881
@radhikathakkar8881 4 жыл бұрын
will you please tell us about which role u added to hexalPut lambda function i got AccessDeniedException Exception
@oscarcarrillo2016
@oscarcarrillo2016 4 жыл бұрын
Me too. Did you get this? Execution failed due to configuration error: Invalid permissions on Lambda function
@oscarcarrillo2016
@oscarcarrillo2016 4 жыл бұрын
I started from scratch and it worked so I think I missed a checkbox. Thanks for the nice tutorial!
@mahamadoudiallo589
@mahamadoudiallo589 4 жыл бұрын
I don't see you importing our node_modules in your lambda workspace. Isn't that a required?
@BlockExplorerMedia
@BlockExplorerMedia 4 жыл бұрын
hi Mahamadou. we only need to include node_modules if we're using outside dependencies. AWS SDKs and libraries are included implicitly, so we can simply include them with import or require without having them in node_modules.
@mahamadoudiallo589
@mahamadoudiallo589 4 жыл бұрын
@@BlockExplorerMedia I see. I will try that. Thanks for replying.
@ratanakshay
@ratanakshay 5 жыл бұрын
While testing the POST ,DELETE and PATCH, "message": "Internal server error" with status-502 is coming.But in my Dynamo DB records are updated. Can you please tell why Internal server error is coming.
@BlockExplorerMedia
@BlockExplorerMedia 5 жыл бұрын
Is there any additional error messaging? 502 is bad gateway which can happen in AWS if the response is not properly formatted correctly. Check your lambda response back to API Gateway and try reviewing that part of the video again. Let me know if you're still encountering issues.
@MarsTheProgrammer
@MarsTheProgrammer 5 жыл бұрын
im also getting this... DELETE does not work. error 502
@MarsTheProgrammer
@MarsTheProgrammer 5 жыл бұрын
figured it out, just add a line after each lambda function.
@MuhammadArif-om3jo
@MuhammadArif-om3jo Жыл бұрын
@@MarsTheProgrammer can you please tell which line you added as i am also getting same error only for delete functionality
@gianlucacircelli2491
@gianlucacircelli2491 Ай бұрын
@@MarsTheProgrammer Excuse me, can you say me what do you mean? I have the same error code
@sujanshrestha2812
@sujanshrestha2812 4 жыл бұрын
where is the part 1 ? is it deleted or modified ?
@iris9383
@iris9383 4 жыл бұрын
Im getting a 403 error, { "statusCode": 403, "headers": { "content-type": "application/json" }, "body": "Uable to add user data: ValidationException: One or more parameter values were invalid: Missing the key id in the item" } Heres the const params code: const { id, name } = event; const params = { TableName: "Assg2", Item: { id: id, name: name } }; Please advice, thank you
@hachij_
@hachij_ 3 жыл бұрын
maybe do JSON.parse(event.body)
@lucifer2416
@lucifer2416 Жыл бұрын
Hi i done all post,get,patch but only delete is showing 502 internal server error what should I do
@lucifer2416
@lucifer2416 Жыл бұрын
Execution log for request e34860bf-0f0e-456f-abf7-4f83a5b454ad Thu Sep 15 06:14:36 UTC 2022 : Starting execution for request: e34860bf-0f0e-456f-abf7-4f83a5b454ad Thu Sep 15 06:14:36 UTC 2022 : HTTP Method: DELETE, Resource Path: /products/-id Thu Sep 15 06:14:36 UTC 2022 : Method request path: {} Thu Sep 15 06:14:36 UTC 2022 : Method request query string: {} Thu Sep 15 06:14:36 UTC 2022 : Method request headers: {"Content-Type"="application/json"} Thu Sep 15 06:14:36 UTC 2022 : Method request body before transformations: Thu Sep 15 06:14:36 UTC 2022 : Request validation succeeded for content type application/json Thu Sep 15 06:14:36 UTC 2022 : Endpoint request URI: lambda.ap-south-1.amazonaws.com/2015-03-31/functions/arn:aws:lambda:ap-south-1:628942436337:function:hexaldelete/invocations Thu Sep 15 06:14:36 UTC 2022 : Endpoint request headers: {X-Amz-Date=20220915T061436Z, x-amzn-apigateway-api-id=04rn5os185, Accept=application/json, User-Agent=AmazonAPIGateway_04rn5os185, Host=lambda.ap-south-1.amazonaws.com, X-Amz-Content-Sha256=d1633ffa0a94a6f97e61e364580cb4e929d57bb498e3fb2f45e8132a0f9f0f13, X-Amzn-Trace-Id=Root=1-6322c2cc-9e58ffc793b3a4897f4ac801, x-amzn-lambda-integration-tag=e34860bf-0f0e-456f-abf7-4f83a5b454ad, Authorization=**********************************************************************************************************************************************************************************************************************************************************************************************************************************************0fcf9c, X-Amz-Source-Arn=arn:aws:execute-api:ap-south-1:628942436337:04rn5os185/test-invoke-stage/DELETE/products/-id, X-Amz-Security-Token=IQoJb3JpZ2luX2VjEDUaCmFwLXNvdXRoLTEiRzBFAiBNI6sDFnw5zpxwM1PQ0+Y16Ij34Bdypj8j8Tt5ce/zMwIhAInVpklx3FeV6ATpx2LUWU8xLLBqRAHSBRTBCct [TRUNCATED] Thu Sep 15 06:14:36 UTC 2022 : Endpoint request body after transformations: {"resource":"/products/-id","path":"/products/-id","httpMethod":"DELETE","headers":{"\"Content-Type\"":"\"application/json\""},"multiValueHeaders":{"\"Content-Type\"":["\"application/json\""]},"queryStringParameters":null,"multiValueQueryStringParameters":null,"pathParameters":null,"stageVariables":null,"requestContext":{"resourceId":"shm2so","resourcePath":"/products/-id","httpMethod":"DELETE","extendedRequestId":"YfNf9GD7BcwFT4w=","requestTime":"15/Sep/2022:06:14:36 +0000","path":"/products/-id","accountId":"628942436337","protocol":"HTTP/1.1","stage":"test-invoke-stage","domainPrefix":"testPrefix","requestTimeEpoch":1663222476391,"requestId":"e34860bf-0f0e-456f-abf7-4f83a5b454ad","identity":{"cognitoIdentityPoolId":null,"cognitoIdentityId":null,"apiKey":"test-invoke-api-key","principalOrgId":null,"cognitoAuthenticationType":null,"userArn":"arn:aws:iam::628942436337:root","apiKeyId":"test-invoke-api-key-id","userAgent":"aws-internal/3 aws-sdk-java/1.12.239 Linux/ [TRUNCATED] Thu Sep 15 06:14:36 UTC 2022 : Sending request to lambda.ap-south-1.amazonaws.com/2015-03-31/functions/arn:aws:lambda:ap-south-1:628942436337:function:hexaldelete/invocations Thu Sep 15 06:14:36 UTC 2022 : Received response. Status: 200, Integration latency: 40 ms Thu Sep 15 06:14:36 UTC 2022 : Endpoint response headers: {Date=Thu, 15 Sep 2022 06:14:36 GMT, Content-Type=application/json, Content-Length=353, Connection=keep-alive, x-amzn-RequestId=d2d56d25-84ab-4487-b78c-3fdb9b5e60d9, X-Amz-Function-Error=Unhandled, x-amzn-Remapped-Content-Length=0, X-Amz-Executed-Version=$LATEST, X-Amzn-Trace-Id=root=1-6322c2cc-9e58ffc793b3a4897f4ac801;sampled=0} Thu Sep 15 06:14:36 UTC 2022 : Endpoint response body before transformations: {"errorType":"TypeError","errorMessage":"Cannot destructure property 'id' of 'event.pathParameters' as it is null.","trace":["TypeError: Cannot destructure property 'id' of 'event.pathParameters' as it is null."," at Runtime.exports.handler (/var/task/index.js:10:11)"," at Runtime.handleOnceNonStreaming (file:///var/runtime/index.mjs:1028:29)"]} Thu Sep 15 06:14:36 UTC 2022 : Lambda execution failed with status 200 due to customer function error: Cannot destructure property 'id' of 'event.pathParameters' as it is null.. Lambda request id: d2d56d25-84ab-4487-b78c-3fdb9b5e60d9 Thu Sep 15 06:14:36 UTC 2022 : Method completed with status: 502
@lucifer2416
@lucifer2416 Жыл бұрын
This is what it's showing
@MuhammadArif-om3jo
@MuhammadArif-om3jo Жыл бұрын
hello my delete function is not working and showing following error response body is empty , "Content-Type":"application/json" is written and id is also provided as path please guide Request: /products/-id-?11111 Status: 502 Latency: 723 ms Response Body {"message": "Internal server error"} Response Headers {"x-amzn-ErrorType":["InternalServerErrorException"]}
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