Readme

This is a simple golang project which starts up a http server on port 4000. On opening the endpoint of the http server it gives an output Hello docker . This output can be changed to something else by setting up environment variables.

Steps to Execute

• Clone the repository
• Golang 1.19 or higher version is required
• Execute the following commands

  go mod download
  go run main.go
  

• Open http://localhost:4000/ on browser. The default output will be Hello docker
• To modify the output run the following commands to export environment variable and run the execute the code.

  export DISPLAY_TEXT='<text>'
  go run main.go
  

Build an executable binary

• To build an executable binary that can run on any linux environment:

  go build -o hello-docker
  ./hello-docker
  

Environment Variable

DISPLAY_TEXT : To modify the output text to be printed