Fixed production issues, fixed render issues, added secret and env variables into dockerfile and gihub actions files, remade dockerfile and github actions

src/app/layout.tsx

@@ -20,7 +20,7 @@ export default function RootLayout({
       isClient: typeof window !== "undefined"
     });
     const client = createClient({
-      url: process.env.NEXT_PUBLIC_GRAPHQL_URL || "",
+      url: "/api/graphql",
       exchanges: [cacheExchange, ssr, fetchExchange],
       suspense: true
     });