Fixed the issue with app builds onprem not working

backend/go-app/go.mod

@@ -24,7 +24,7 @@ require (
 	github.com/gorilla/mux v1.8.1
 	github.com/h2non/filetype v1.1.3
 	github.com/satori/go.uuid v1.2.0
-	github.com/shuffle/shuffle-shared v0.9.16
+	github.com/shuffle/shuffle-shared v0.9.17
 	github.com/shuffle/singul v0.0.16
 	golang.org/x/crypto v0.40.0
 	google.golang.org/api v0.236.0

backend/go-app/main.go

@@ -3333,10 +3333,15 @@ func buildSwaggerApp(resp http.ResponseWriter, body []byte, user shuffle.User, s
 	// Read and copy the baseline Dockerfile
 	dockerfileContent, err := ioutil.ReadFile(dockerfileSource)
 	if err != nil {
-		log.Printf("[ERROR] Failed to read baseline Dockerfile: %s", err)
-		resp.WriteHeader(500)
-		resp.Write([]byte(`{"success": false, "reason": "Failed to read baseline Dockerfile"}`))
-		return
+		foundDockerfile := shuffle.GetBaseDockerfile() 
+		if len(foundDockerfile) > 0 {
+			dockerfileContent = foundDockerfile
+		} else {
+			log.Printf("[ERROR] Failed to read baseline Dockerfile: %s", err)
+			resp.WriteHeader(500)
+			resp.Write([]byte(`{"success": false, "reason": "Failed to read baseline Dockerfile"}`))
+			return
+		}
 	}
 
 	err = ioutil.WriteFile(dockerfileDestination, dockerfileContent, 0644)