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GitHub - pharindoko/serverlessDotNetStarter: A .NET 6 starter solution for AWS Lambda

Starter template for serverless framework with following scope:

• deploy C# / NET 6 solution in AWS cloud using:
  • Lambda
  • Api Gateway
• debug and test solution locally in Visual Studio Code
• works operating system independent

• NodeJS
• Serverless Framework CLI
• .NET Core 6
• AWS-Lambda-DotNet
• Visual Studio Code
• C# Extension for Visual Studio Code

Verify that everything is installed (copy & paste)

# package manager for nodejs
npm -v
# serverless framework cli > 1.5
sls -v
# dotnet (cli) > 6.0
dotnet --version

# clone solution
# serverless create --template-url https://github.com/pharindoko/serverlessDotNetStarter --path {SERVICE_NAME}
serverless create --template-url https://github.com/pharindoko/serverlessDotNetStarter --path serverlessDotNetStarter
cd serverlessDotNetStarter
# restore / install dotnet references described in csproj file
dotnet restore AwsDotnetCsharp.csproj

# install Lambda NET Mock Test Tool and Amazon Lambda Tools
# more details: https://github.com/aws/aws-lambda-dotnet/tree/master/Tools/LambdaTestTool

dotnet tool install -g Amazon.Lambda.Tools
dotnet tool install --global Amazon.Lambda.TestTool-6.0
dotnet tool list -g

# required dotnet packages:
#
# Package Id                      Version      Commands
------------------------------------------------------------------------
#amazon.lambda.testtool-6.0      0.12.4       dotnet-lambda-test-tool-6.0
#amazon.lambda.tools             5.4.5        dotnet-lambda

For VS Code Debugging:

code --install-extension ms-dotnettools.csharp --force

I followed this guideline: (Please read in case of issues)

How to Debug .NET Core Lambda Functions Locally with the Serverless Framework

# open Visual Studio Code
code .

Edit the "program" property in .vscode/launch.json file and update placeholder for {user} (placeholders marked in bold)

"program": /Users/{user}/.dotnet/tools/dotnet-lambda-test-tool-6.0

"program": /Users/{user}/.dotnet/tools/dotnet-lambda-test-tool-6.0

More information:

• https://github.com/aws/aws-lambda-dotnet/tree/master/Tools/LambdaTestTool#configure-for-visual-studio-code,
• https://github.com/aws/aws-lambda-dotnet/tree/master/Tools/LambdaTestTool#configure-for-visual-studio-for-mac

In case of issues - try this:

  "program": /Users/{user}/.dotnet/tools/.store/amazon.lambda.testtool-6.0/{nuget-version}/amazon.lambda.testtool-6.0/{nuget-version}/tools/net6.0/any/Amazon.Lambda.TestTool.WebTester6.0.dll",

how to get the right nuget version ?

   dotnet tool list -g

   Result:
    Package Id                      Version                   Commands
    ------------------------------------------------------------------------
    amazon.lambda.testtool-6.0      e.g. version 0.12.4       dotnet-lambda-test-tool-6.0
  

• Hint: Lambda Mock Test Tool should be started locally on port 5050
• Click on Button "Execute Function"

you should get hello world as a result.

1. Select function to getquerystring (upper right dropdownlist)

2. Insert this json value in the function input textbox for a first test:

   {
     "httpMethod": "GET",
     "queryStringParameters": {
       "foo": "dfgdfg",
       "woot": "food"
     }
   }

Mind: For a successful response querystringParameter foo must be inserted

Mac OS or Linux

Windows

A cloudformation stack in AWS will be created in background containing all needed resources

Service Information
service: myService
stage: dev
region: us-east-1
stack: myService-dev
resources: 10
api keys:
  None
endpoints:
  GET - endpointUrl --> https://{api}.execute-api.us-east-1.amazonaws.com/dev/hello
functions:
  hello: myService-dev-hello
layers:
  None

2 simple options:

• Use postman as UI Tool
• Use curl

Use the endpointUrl from up above.

curl https://{api}.execute-api.us-east-1.amazonaws.com/dev/hello
curl https://{api}.execute-api.us-east-1.amazonaws.com/dev/getquerystring?foo=test

Mind: For a successful response of function getquerystring the querystringParameter foo must be inserted

1. Yes. Here`s the guideline.

1. Setup API Key in serverless.yml file https://serverless.com/framework/docs/providers/aws/events/apigateway/#setting-api-keys-for-your-rest-api

1. Create a new C# Function in Handler.cs or use another file
2. Add a new function to serverless.yml and reference the C# Function as handler https://serverless.com/framework/docs/providers/aws/guide/functions/

1. Check Cloudwatch Logs in AWS - the issue should be describe there.
2. For a successful response of function getquerystring the querystringParameter foo must be inserted

Please have a look to the serverless guideline: https://serverless.com/framework/docs/providers/aws/guide/deploying/

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