fix: harden Redis client timeouts and correct userid column bugs

Redis client had a 35s worst-case stall (10s read/write timeout x3
retries) on a single call, which under concurrent load exhausted the
connection pool and cascaded into a full outage. Timeouts and retries
are now tight enough that a degraded Redis fails fast instead of
tying up pooled connections.

Also fixes two userid/appuserid column mix-ups in delivery queries
(deliveryController.go, domain/delivery.go) and points the Dockerfile
build at main.go explicitly.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

Dockerfile

@@ -4,7 +4,7 @@ FROM golang:1.24
 RUN mkdir /app
 ADD . /app/
 WORKDIR /app
-RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o server .
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o server main.go
 
 # Second Stage
 FROM alpine

controllers/deliveryController.go

@@ -709,7 +709,7 @@ func GetDeliverySummary(c *fiber.Ctx) error {
 	`)
 
 	if appuid != 0 {
-		qb.WriteString(" AND g.userid = ?")
+		qb.WriteString(" AND a.userid = ?")
 		params = append(params, appuid)
 	}
 

db/connect.go

@@ -183,18 +183,23 @@ func InitRedis() {
 		DB:       0,
 
 		// ✅ TIMEOUTS (VERY IMPORTANT)
-		DialTimeout:  10 * time.Second,
+		// Kept short so a slow/degraded Redis fails fast instead of tying up a
-		ReadTimeout:  10 * time.Second,
+		// pooled connection for tens of seconds. A previous config (10s x3 retries)
-		WriteTimeout: 10 * time.Second,
+		// let a single stuck call hold a connection for ~35s, which under concurrent
+		// load exhausted the pool and cascaded into a cluster-wide outage.
+		DialTimeout:  5 * time.Second,
+		ReadTimeout:  3 * time.Second,
+		WriteTimeout: 3 * time.Second,
 
 		// ✅ POOL
 		PoolSize:     50,
 		MinIdleConns: 10,
+		PoolTimeout:  4 * time.Second,
 
 		// ✅ RETRIES
-		MaxRetries:      3,
+		MaxRetries:      1,
-		MinRetryBackoff: 500 * time.Millisecond,
+		MinRetryBackoff: 100 * time.Millisecond,
-		MaxRetryBackoff: 2 * time.Second,
+		MaxRetryBackoff: 500 * time.Millisecond,
 	})
 
 	maxRetries := 5

domain/delivery.go

@@ -792,7 +792,7 @@ func GetUserDeliveriesv1(input models.DeliveryQuery) []models.Deliveryinfo {
 func GetAppUserDeliveries(input models.DeliveryQuery) []models.Deliveryinfo {
 	var data []models.Deliveryinfo
 
-	logInfo("App User Deliveries", "appuserid", input.UserID)
+	logInfo("App User Deliveries", "appuserid", input.Appuserid)
 
 	var (
 		q1     strings.Builder
@@ -805,10 +805,10 @@ func GetAppUserDeliveries(input models.DeliveryQuery) []models.Deliveryinfo {
 	q1.WriteString(deliveries)
 	q1.WriteString(" WHERE b.moduleid = 6 AND g.status = 'Active' ")
 
-	// 🔹 Apply userid filter ONLY if userid > 0
+	// 🔹 Apply appuserid filter ONLY if appuserid > 0
-	if input.UserID > 0 {
+	if input.Appuserid > 0 {
-		q1.WriteString(" AND g.userid = ? ")
+		q1.WriteString(" AND a.userid = ? ")
-		params = append(params, input.UserID)
+		params = append(params, input.Appuserid)
 	}
 
 	// 🔹 Status filter (IGNORE if status = all)