project structure

pkg/utl/common/common.go

@@ -0,0 +1,9 @@
+package common
+
+import "log"
+
+func CheckError(err error) {
+	if err != nil {
+		log.Fatalf("Unable to execute the query. %v", err)
+	}
+}

pkg/utl/configs/configs.go

@@ -0,0 +1,5 @@
+package configs
+
+const (
+	DbConfig = ""
+)

pkg/utl/pg/pg.go

@@ -0,0 +1,20 @@
+package pg
+
+import (
+	"fmt"
+	"os"
+	"wallet-api/pkg/utl/common"
+
+	"github.com/go-pg/pg/v10"
+)
+
+func CreateConnection() func() *pg.DB {
+	opt, err := pg.ParseURL(os.Getenv("DATABASE_URL"))
+	common.CheckError(err)
+
+	db := pg.Connect(opt)
+	fmt.Println("Successfully connected!")
+	return func() *pg.DB {
+		return db
+	}
+}

pkg/utl/server/server.go

@@ -0,0 +1,22 @@
+package server
+
+import (
+	"os"
+
+	"github.com/gin-gonic/gin"
+)
+
+func Start() *gin.Engine {
+	r := gin.Default()
+	r.GET("/ping", func(c *gin.Context) {
+		c.JSON(200, gin.H{
+			"message": "pong",
+		})
+	})
+	port := os.Getenv("PORT")
+	if port == "" {
+		port = "4000"
+	}
+	r.Run(":" + port)
+	return r
+}