A simple image placeholder service like placehold.it.
go run placeholder.go
It will run placeholder on port 8080, then you can use it like this:
http://localhost:8080/350x150
width x height
Height is optional, if no height is specified the image will be a square.
http://localhost:8080/250/ffffff/000000
http://localhost:8080/350x150?text=Golang+Placeholder
- Text break line support