Handler PathError on Windows

[Michel Couillard]

Expected Behavior

That we can deploy on Windows the exact same Go Serverless project that Mac and Linux users work on.

Current Behavior on Windows

{
  "errorMessage": "fork/exec /var/task/.bin\\helloWorld: no such file or directory",
  "errorType": "PathError"
}

Current workaround

• Change the handler path on AWS from .bin\helloWorld to .bin/helloWorld
• Then save

Steps to Reproduce

1. On a Windows machine with CMD or Powershell
2. sls deploy
3. Test or run the lambda with the AWS Hello Word template

Context (Environment)

• go 1.13.8 windows/amd64
• serverless-go-plugin: 2.0.0
• Default serverless-go-plugin config, no custom
• command line (cmd) and Powershell (5.1.19041.1)

helloWorld:
  handler: hello-world/main.go

Possible Solution

• Correct the handler path when process.platform === "win32"