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Go Web Development Cookbook by Arpit Aggarwal

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How to do it…

  1. Install the gopkg.in/mgo.v package, using the go get command, as follows:
$ go get gopkg.in/mgo.v
  1. Create connect-mongodb.go. Then we connect to the MongoDB database, get all the database names from the cluster, and write them to an HTTP response stream, as follows:
package mainimport (  "fmt"  "log"  "net/http"  "strings"  mgo "gopkg.in/mgo.v2")const (  CONN_HOST = "localhost"  CONN_PORT = "8080"  MONGO_DB_URL = "127.0.0.1")var session *mgo.Sessionvar connectionError errorfunc init() {  session, connectionError = mgo.Dial(MONGO_DB_URL)  if connectionError != nil   {    log.Fatal("error connecting to database :: ", connectionError)  }  session.SetMode(mgo.Monotonic, true)}func getDbNames(w http.ResponseWriter, r *http.Request) { db, err ...

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