diff --git a/services/frontend/src/components/Project/CodeBox.tsx b/services/frontend/src/components/Project/CodeBox.tsx
index 8e7e633..d765da2 100644
--- a/services/frontend/src/components/Project/CodeBox.tsx
+++ b/services/frontend/src/components/Project/CodeBox.tsx
@@ -1,6 +1,7 @@
 import { useEffect, useMemo, useRef, useState } from "react";
 import YAML from "yaml";
 import { debounce } from "lodash";
+import { manifestTypes } from "../../constants";
 import { generatePayload } from "../../utils/generators";
 import { checkHttpStatus } from "../../services/helpers";
 import { generateHttp } from "../../services/generate";
@@ -12,19 +13,19 @@ import useWindowDimensions from "../../hooks/useWindowDimensions";
 
 const CodeBox = () => {
   const versionRef = useRef<string>();
-  const manifestRef = useRef<number>();
+  const manifestRef = useRef<string>();
   const [language, setLanguage] = useState("yaml");
   const [version, setVersion] = useState("3");
   const [copyText, setCopyText] = useState("Copy");
   const [generatedCode, setGeneratedCode] = useState<string>("");
   const [formattedCode, setFormattedCode] = useState<string>("");
-  const [manifest, setManifest] = useState(0);
+  const [manifest, setManifest] = useState(manifestTypes.DOCKER_COMPOSE);
   const { height } = useWindowDimensions();
 
   versionRef.current = version;
   manifestRef.current = manifest;
 
-  const getCode = (payload: any, manifest: number) => {
+  const getCode = (payload: any, manifest: string) => {
     generateHttp(JSON.stringify(payload), manifest)
       .then(checkHttpStatus)
       .then((data) => {
@@ -34,13 +35,11 @@ const CodeBox = () => {
           setGeneratedCode("");
         }
 
-        if (data["error"].length) {
+        if (data["error"]) {
           setGeneratedCode("");
           toaster(`error ${data["error"]}`, "error");
         }
-      })
-      .catch(() => undefined)
-      .finally(() => undefined);
+      });
   };
 
   const debouncedOnGraphUpdate = useMemo(
diff --git a/services/frontend/src/components/Project/ManifestSelect.tsx b/services/frontend/src/components/Project/ManifestSelect.tsx
index 56dd4c8..1444f5d 100644
--- a/services/frontend/src/components/Project/ManifestSelect.tsx
+++ b/services/frontend/src/components/Project/ManifestSelect.tsx
@@ -1,5 +1,6 @@
 import { styled } from "@mui/material";
 import { useCallback, useState } from "react";
+import { manifestTypes } from "../../constants";
 import DcLogo from "../global/dc-logo";
 import K8sLogo from "../global/k8s-logo";
 
@@ -24,25 +25,33 @@ interface IManifestSelectProps {
 
 const ManifestSelect = (props: IManifestSelectProps) => {
   const { setManifest } = props;
-  const [selected, setSelected] = useState(0);
+  const [selected, setSelected] = useState(manifestTypes.DOCKER_COMPOSE);
 
   const handleK8s = useCallback(() => {
-    setManifest(1);
-    setSelected(1);
+    setManifest(manifestTypes.KUBERNETES);
+    setSelected(manifestTypes.KUBERNETES);
   }, []);
 
   const handleDC = useCallback(() => {
-    setManifest(0);
-    setSelected(0);
+    setManifest(manifestTypes.DOCKER_COMPOSE);
+    setSelected(manifestTypes.DOCKER_COMPOSE);
   }, []);
 
   return (
     <>
-      <Button selected={selected === 1} type="button" onClick={handleK8s}>
+      <Button
+        selected={selected === manifestTypes.KUBERNETES}
+        type="button"
+        onClick={handleK8s}
+      >
         <K8sLogo />
       </Button>
 
-      <Button selected={selected === 0} type="button" onClick={handleDC}>
+      <Button
+        selected={selected === manifestTypes.DOCKER_COMPOSE}
+        type="button"
+        onClick={handleDC}
+      >
         <DcLogo />
       </Button>
     </>
diff --git a/services/frontend/src/constants/index.ts b/services/frontend/src/constants/index.ts
index 0ca9c77..0e89549 100644
--- a/services/frontend/src/constants/index.ts
+++ b/services/frontend/src/constants/index.ts
@@ -4,3 +4,7 @@ export const REACT_APP_GITHUB_CLIENT_ID =
 export const REACT_APP_GITHUB_SCOPE = process.env.REACT_APP_GITHUB_SCOPE;
 export const PROJECTS_FETCH_LIMIT = 300;
 export const LOCAL_STORAGE = "CtkLocalStorage";
+export const manifestTypes = {
+  DOCKER_COMPOSE: "DOCKER_COMPOSE",
+  KUBERNETES: "KUBERNETES"
+};
diff --git a/services/frontend/src/services/generate.ts b/services/frontend/src/services/generate.ts
index 09b6b29..1f8364c 100644
--- a/services/frontend/src/services/generate.ts
+++ b/services/frontend/src/services/generate.ts
@@ -1,12 +1,13 @@
+import { manifestTypes } from "../constants";
 import { API_SERVER_URL } from "../constants";
 
-export const generateHttp = (data: string, manifest: number) => {
+export const generateHttp = (data: string, manifest: string) => {
   let endpoint = `${API_SERVER_URL}/generate/`;
-  if (manifest === 0) {
+  if (manifest === manifestTypes.DOCKER_COMPOSE) {
     endpoint += "docker-compose";
   }
 
-  if (manifest === 1) {
+  if (manifest === manifestTypes.KUBERNETES) {
     endpoint += "kubernetes";
   }