feat: add health endpoint

Author: steveiliop56

docker-compose.yml

@@ -3,6 +3,8 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
+      args:
+        - VERSION=development
     environment:
       - PORT=8080
       - ADDRESS=0.0.0.0

internal/controller/health_controller.go

@@ -0,0 +1,25 @@
+package controller
+
+import "github.com/gin-gonic/gin"
+
+type HealthController struct {
+	router *gin.RouterGroup
+}
+
+func NewHealthController(router *gin.RouterGroup) *HealthController {
+	return &HealthController{
+		router: router,
+	}
+}
+
+func (hc *HealthController) SetupRoutes() {
+	hc.router.GET("/health", hc.health)
+	hc.router.HEAD("/health", hc.health)
+}
+
+func (hc *HealthController) health(c *gin.Context) {
+	c.JSON(200, map[string]any{
+		"status":  200,
+		"message": "OK",
+	})
+}

main.go

@@ -68,6 +68,10 @@ func main() {
 
 	instancesCtrl.SetupRoutes()
 
+	healthCtrl := controller.NewHealthController(api)
+
+	healthCtrl.SetupRoutes()
+
 	go clearOldSessions(db)
 
 	log.Printf("Starting analytics server on %s:%s (version: %s)", address, port, version)