From fa84e3e97ab5cd0e83a4fbc61299a79947f4e86a Mon Sep 17 00:00:00 2001
From: LightJack05 <66321084+LightJack05@users.noreply.github.com>
Date: Fri, 16 Jan 2026 18:01:17 +0100
Subject: [PATCH 1/2] feat(api): added health check endpoint

---
 internal/health/controller.go |  7 +++++++
 internal/health/get.go        | 17 +++++++++++++++++
 main.go                       |  7 ++++++-
 3 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 internal/health/controller.go
 create mode 100644 internal/health/get.go

diff --git a/internal/health/controller.go b/internal/health/controller.go
new file mode 100644
index 0000000..1116a80
--- /dev/null
+++ b/internal/health/controller.go
@@ -0,0 +1,7 @@
+package health
+
+import "go.mongodb.org/mongo-driver/v2/mongo"
+
+type HealthController struct {
+	DB *mongo.Client
+}
diff --git a/internal/health/get.go b/internal/health/get.go
new file mode 100644
index 0000000..5e4182d
--- /dev/null
+++ b/internal/health/get.go
@@ -0,0 +1,17 @@
+package health
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func (hc *HealthController) Get(c *gin.Context) {
+	err := hc.DB.Ping(context.TODO(), nil)
+	if err != nil {
+		c.AbortWithStatusJSON(http.StatusServiceUnavailable, gin.H{"error": "Database connection is down"})
+		return
+	}
+	c.Status(http.StatusOK)
+}
diff --git a/main.go b/main.go
index fa2a8dd..6c81d11 100644
--- a/main.go
+++ b/main.go
@@ -55,13 +55,18 @@ func disconnectDatabase(client *mongo.Client) {
 
 func setupRouter(db *mongo.Client) *gin.Engine {
 	r := gin.Default()
-	products := r.Group("/products")
+	setupHealthCheckEndpoint(r)
 
+	products := r.Group("/products")
 	setupEndpoints(products, db)
 
 	return r
 }
 
+func setupHealthCheckEndpoint(router *gin.Engine) {
+	router.GET("/health", )
+}
+
 func setupEndpoints(router *gin.RouterGroup, db *mongo.Client) {
 	productController := &product.ProductController{DB: db}
 

From 3bb4459d7271b73e47eb9fa14d71191ddf7f7e9b Mon Sep 17 00:00:00 2001
From: LightJack05 <66321084+LightJack05@users.noreply.github.com>
Date: Fri, 16 Jan 2026 18:04:19 +0100
Subject: [PATCH 2/2] Register /health as endpoint for health.GET

---
 main.go | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/main.go b/main.go
index 6c81d11..36687ff 100644
--- a/main.go
+++ b/main.go
@@ -8,6 +8,7 @@ import (
 	"github.com/SnackLog/database-api-wrapper/internal/config"
 	"github.com/SnackLog/database-api-wrapper/internal/database"
 	"github.com/SnackLog/database-api-wrapper/internal/handlers/product"
+	"github.com/SnackLog/database-api-wrapper/internal/health"
 	serviceConfigLib "github.com/SnackLog/service-config-lib"
 	"github.com/gin-gonic/gin"
 	"go.mongodb.org/mongo-driver/v2/mongo"
@@ -55,7 +56,7 @@ func disconnectDatabase(client *mongo.Client) {
 
 func setupRouter(db *mongo.Client) *gin.Engine {
 	r := gin.Default()
-	setupHealthCheckEndpoint(r)
+	setupHealthCheckEndpoint(db, r)
 
 	products := r.Group("/products")
 	setupEndpoints(products, db)
@@ -63,8 +64,11 @@ func setupRouter(db *mongo.Client) *gin.Engine {
 	return r
 }
 
-func setupHealthCheckEndpoint(router *gin.Engine) {
-	router.GET("/health", )
+func setupHealthCheckEndpoint(db *mongo.Client, router *gin.Engine) {
+	hc := &health.HealthController{
+		DB: db,
+	}
+	router.GET("/health", hc.Get)
 }
 
 func setupEndpoints(router *gin.RouterGroup, db *mongo.Client) {