I'm learning Go web server programming and have copied the following
example:
func Image(w http.ResponseWriter, r *http.Request) {
f, _ := os.Open("images/my.png")
. . .
It works fine when I'm starting the Go web server with `go run main.go &`.
I.e., the file "images/my.png" is related to where I started "go run".
However, it won't be the case when the Go web server is compiled and
started the other way.
What's the proper way to make sure it always works, including starting from
docker container?
THX!
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