Add version endpoint

Author: jskswamy

cmd/root.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"github.com/thecasualcoder/dobby/pkg/config"
 	"github.com/urfave/cli"
 	"log"
 )
@@ -17,7 +18,7 @@ func Run(args []string) error {
 	app.Description = "Web app which obey's invokers action"
 	app.Usage = "Waiting to serve the order"
 	app.Name = "dobby"
-	app.Version = BuildVersion()
+	app.Version = config.BuildVersion()
 
 	app.Commands = []cli.Command{
 		serverCmd(),

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"github.com/thecasualcoder/dobby/cmd"
+	"github.com/thecasualcoder/dobby/pkg/config"
 	"log"
 	"os"
 )
@@ -10,7 +11,7 @@ var majorVersion string
 var minorVersion string
 
 func main() {
-	cmd.SetBuildVersion(majorVersion, minorVersion)
+	config.SetBuildVersion(majorVersion, minorVersion)
 	err := cmd.Run(os.Args)
 	if err != nil {
 		log.Fatal(err)

cmd/version.go pkg/config/version.gocmd/version.go renamed to pkg/config/version.go

@@ -1,4 +1,4 @@
-package cmd
+package config
 
 import "fmt"
 

pkg/handler/handler.go

@@ -0,0 +1,22 @@
+package handler
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/thecasualcoder/dobby/pkg/config"
+	"os"
+)
+
+// Health return the dobby health status
+func Health(c *gin.Context) {
+	c.JSON(200, gin.H{"healthy": true})
+}
+
+// Version return dobby version
+func Version(c *gin.Context) {
+	envVersion := os.Getenv("VERSION")
+	version := config.BuildVersion()
+	if envVersion != "" {
+		version = envVersion
+	}
+	c.JSON(200, gin.H{"version": version})
+}

pkg/handler/ping.go

@@ -11,5 +11,6 @@ func Run(bindAddress, port string) error {
 	r := gin.Default()
 
 	r.GET("/health", handler.Health)
+	r.GET("/version", handler.Version)
 	return r.Run(fmt.Sprintf("%s:%s", bindAddress, port))
 }