Problems with Importing dependencies from Remote

Getting Help
1

I’m trying out some Go examples and I started with a JSON parser and I wanted to add a dependency to a remote repository. I was under the assumption that the Go build process will pull the dependencies when I compile, but strangely it did not. Here is the error that I get!

main.go:8:9: cannot find package "github.com/spf13/viper" in any of:
	/usr/local/Cellar/go/1.9.1/libexec/src/github.com/spf13/viper (from $GOROOT)
	/Users/joe/Projects/Private/go-projects/src/github.com/spf13/viper (from $GOPATH)

Here is my import:

import (
	"fmt"
	"log"
	"os"
	"encoding/json"
        "github.com/spf13/viper"
)

Any ideas as to what is wrong happening here? I have my GOPATH and GOROOT set up properly!

2

did you download it before?

go get github.com/spf13/viper
3

I thought the Go build will resolve this for me. Won’t it do that? If I have 10 or even 100’s of those dependencies from remote, should I do a go get for each one of them? This is purely inefficient. I’m sure I’m doing something wrong or? Is there a way that Go downloads it automatically when doing a Go build?

4

At the time of compiling Go will not resolve its dependencies, you can use a dependency manager, such as “glide” : “http://glide.sh/” or “Go dep” : “https://github.com/golang/dep” or any other

5

I like the glide, example:

glide.yaml

package: main
import:
- package: github.com/rs/cors
  version: ^1.0.0
- package: gopkg.in/mgo.v2
  subpackages:
  - bson
- package: github.com/gorilla/mux
- package: github.com/fatih/structs

and execute glide install

6

You can also go get yourpackage it will then get dependencies recursively

7

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