Add --pass flat to specify user password, closes #18, via @waltonseymour

README.md

@@ -74,6 +74,7 @@ Application Options:
       --host=    Server hostname or IP (localhost)
       --port=    Server port (5432)
       --user=    Database user (postgres)
+      --pass=    Password for user
       --db=      Database name (postgres)
       --ssl=     SSL option (disable)
       --listen=  HTTP server listen port (8080)

main.go

@@ -19,6 +19,7 @@ var options struct {
 	Host     string `long:"host" description:"Server hostname or IP" default:"localhost"`
 	Port     int    `long:"port" description:"Server port" default:"5432"`
 	User     string `long:"user" description:"Database user" default:"postgres"`
+	Pass     string `long:"pass" description:"Password for user"`
 	DbName   string `long:"db" description:"Database name" default:"postgres"`
 	Ssl      string `long:"ssl" description:"SSL option" default:"disable"`
 	HttpPort uint   `long:"listen" description:"HTTP server listen port" default:"8080"`
@@ -36,12 +37,18 @@ func getConnectionString() string {
 		return options.Url
 	}
 
-	return fmt.Sprintf(
+	str := fmt.Sprintf(
 		"host=%s port=%d user=%s dbname=%s sslmode=%s",
 		options.Host, options.Port,
 		options.User, options.DbName,
 		options.Ssl,
 	)
+
+	if options.Pass != "" {
+		str += fmt.Sprintf(" password=%s", options.Pass)
+	}
+
+	return str
 }
 
 func initClient() {