Initial commit

backend/internal/db/connection.go

@@ -0,0 +1,28 @@
+package db
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+	"go.uber.org/fx"
+)
+
+func NewDBConnection(lc fx.Lifecycle) *pgxpool.Pool {
+	pool, err := pgxpool.New(context.Background(), "postgresql://postgres:postgres@localhost:5432/postgres?sslmode=disable");
+	if err != nil {
+		panic(err.Error())
+	}
+
+	if err := pool.Ping(context.Background()); err != nil {
+		pool.Close()
+		panic(err.Error())
+	}
+
+	lc.Append(
+		fx.StopHook(func() {
+			pool.Close()
+		}),
+	)	
+
+	return pool
+}