Fix gh CI failing tests lib/pq#835 (comment)

tests/db_config.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"strings"
+	"time"
 
 	"github.com/SaadAhmedGit/formify/internal/config"
 	"github.com/SaadAhmedGit/formify/internal/models"
@@ -35,7 +36,17 @@ func createConnection() (*sqlx.DB, error) {
 	connStr := fmt.Sprintf("host=%s port=%d user=%s "+
 		"password=%s dbname=%s sslmode=disable",
 		env.TEST_DB_HOST, env.TEST_DB_PORT, env.TEST_DB_USER, env.TEST_DB_PASSWORD, env.TEST_DB_NAME)
-	db, err := sqlx.Connect("postgres", connStr)
+
+	// https://github.com/lib/pq/issues/835#issuecomment-1774313464
+	var db *sqlx.DB
+	for i := 0; i < 20; i++ {
+		db, err = sqlx.Connect("postgres", connStr)
+		if err == nil {
+			break
+		}
+
+		time.Sleep(500 * time.Millisecond)
+	}
 	if err != nil {
 		log.Printf("Failed to connect to database. %s\n", err.Error())
 		return db, err