diff --git a/schema/staticwebapp.config.json b/schema/staticwebapp.config.json
new file mode 100644
index 00000000..9b83b475
--- /dev/null
+++ b/schema/staticwebapp.config.json
@@ -0,0 +1,613 @@
+{
+  "$schema": "http://json-schema.org/draft-04/schema#",
+  "additionalProperties": false,
+  "default": {
+    "navigationFallback": {
+      "rewrite": "/index.html"
+    }
+  },
+  "definitions": {
+    "route": {
+      "type": "object",
+      "required": ["route"],
+      "properties": {
+        "route": {
+          "type": "string",
+          "description": "Request route pattern to match. May contain valid wildcards. See documentation: https://aka.ms/swa/config-schema"
+        },
+        "methods": {
+          "type": "array",
+          "description": "Request method(s) to match",
+          "items": {
+            "anyOf": [
+              {
+                "type": "string",
+                "enum": ["GET", "HEAD", "POST", "PUT", "DELETE", "PATCH", "CONNECT", "OPTIONS", "TRACE"]
+              }
+            ]
+          }
+        },
+        "allowedRoles": {
+          "type": "array",
+          "description": "Roles that are allowed to access this route. If not empty, only role(s) listed are authorized to access the route. Roles are only used for authorization; they are not used to evaluate whether the route matches the request.",
+          "items": {
+            "anyOf": [
+              {
+                "type": "string",
+                "examples": ["anonymous", "authenticated"]
+              }
+            ]
+          }
+        },
+        "headers": {
+          "type": "object",
+          "description": "Override any matching global headers",
+          "additionalProperties": true
+        },
+        "redirect": {
+          "type": "string",
+          "description": "Redirect to a relative or absolute path, or an external URI. Default status code is 302, override with 301."
+        },
+        "statusCode": {
+          "type": "integer",
+          "description": "Status code override"
+        },
+        "rewrite": {
+          "type": "string",
+          "description": "A path to rewrite the request route to"
+        }
+      },
+      "additionalProperties": false
+    },
+    "auth": {
+      "type": "object",
+      "required": ["identityProviders"],
+      "properties": {
+        "rolesSource": {
+          "type": "string",
+          "description": "Route to API function for assigning roles. For example, \"/api/GetRoles\". See https://aka.ms/swa-roles-function"
+        },
+        "identityProviders": {
+          "type": "object",
+          "properties": {
+            "azureActiveDirectory": {
+              "type": "object",
+              "required": ["registration"],
+              "properties": {
+                "enabled": {
+                  "description": "<false> if the azureActiveDirectory provider is not enabled, <true> otherwise",
+                  "type": "boolean",
+                  "default": true
+                },
+                "registration": {
+                  "type": "object",
+                  "required": ["openIdIssuer", "clientSecretSettingName"],
+                  "properties": {
+                    "openIdIssuer": {
+                      "type": "string",
+                      "description": "The endpoint for the OpenID configuration of the AAD tenant"
+                    },
+                    "clientIdSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the Application (client) ID for the Azure AD app registration"
+                    },
+                    "clientSecretSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the client secret for the Azure AD app registration"
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "login": {
+                  "type": "object",
+                  "description": "",
+                  "properties": {
+                    "loginParameters": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      }
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "userDetailsClaim": {
+                  "type": "string",
+                  "description": "The name of the claim from which we should read user details"
+                }
+              },
+              "additionalProperties": false
+            },
+            "apple": {
+              "type": "object",
+              "required": ["registration"],
+              "properties": {
+                "enabled": {
+                  "description": "<false> if the apple provider is not enabled, <true> otherwise",
+                  "type": "boolean",
+                  "default": true
+                },
+                "registration": {
+                  "type": "object",
+                  "required": ["clientSecretSettingName"],
+                  "properties": {
+                    "clientIdSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the Client ID"
+                    },
+                    "clientSecretSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the Client Secret"
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "login": {
+                  "type": "object",
+                  "description": "",
+                  "properties": {
+                    "scopes": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      }
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "userDetailsClaim": {
+                  "type": "string",
+                  "description": "The name of the claim from which we should read user details"
+                }
+              },
+              "additionalProperties": false
+            },
+            "facebook": {
+              "type": "object",
+              "required": ["registration"],
+              "properties": {
+                "enabled": {
+                  "description": "<false> if the facebook provider is not enabled, <true> otherwise",
+                  "type": "boolean",
+                  "default": true
+                },
+                "registration": {
+                  "type": "object",
+                  "required": ["appSecretSettingName"],
+                  "properties": {
+                    "appIdSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the App ID"
+                    },
+                    "appSecretSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the App Secret"
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "login": {
+                  "type": "object",
+                  "description": "",
+                  "properties": {
+                    "scopes": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      }
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "userDetailsClaim": {
+                  "type": "string",
+                  "description": "The name of the claim from which we should read user details"
+                }
+              },
+              "additionalProperties": false
+            },
+            "github": {
+              "type": "object",
+              "required": ["registration"],
+              "properties": {
+                "enabled": {
+                  "description": "<false> if the gitHub provider is not enabled, <true> otherwise",
+                  "type": "boolean",
+                  "default": true
+                },
+                "registration": {
+                  "type": "object",
+                  "required": ["clientSecretSettingName"],
+                  "properties": {
+                    "clientIdSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the Client ID"
+                    },
+                    "clientSecretSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the Client Secret"
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "login": {
+                  "type": "object",
+                  "description": "",
+                  "properties": {
+                    "scopes": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      }
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "userDetailsClaim": {
+                  "type": "string",
+                  "description": "The name of the claim from which we should read user details"
+                }
+              },
+              "additionalProperties": false
+            },
+            "google": {
+              "type": "object",
+              "required": ["registration"],
+              "properties": {
+                "enabled": {
+                  "description": "<false> if the google provider is not enabled, <true> otherwise",
+                  "type": "boolean",
+                  "default": true
+                },
+                "registration": {
+                  "type": "object",
+                  "required": ["clientSecretSettingName"],
+                  "properties": {
+                    "clientIdSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the Client ID"
+                    },
+                    "clientSecretSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the Client Secret"
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "login": {
+                  "type": "object",
+                  "description": "",
+                  "properties": {
+                    "scopes": {
+                      "type": "array",
+                      "items": {
+                        "type": "string"
+                      }
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "userDetailsClaim": {
+                  "type": "string",
+                  "description": "The name of the claim from which we should read user details"
+                }
+              },
+              "additionalProperties": false
+            },
+            "twitter": {
+              "type": "object",
+              "required": ["registration"],
+              "properties": {
+                "enabled": {
+                  "description": "<false> if the twitter provider is not enabled, <true> otherwise",
+                  "type": "boolean",
+                  "default": true
+                },
+                "registration": {
+                  "type": "object",
+                  "required": ["consumerSecretSettingName"],
+                  "properties": {
+                    "consumerKeySettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the Consumer Key"
+                    },
+                    "consumerSecretSettingName": {
+                      "type": "string",
+                      "description": "The name of the application setting containing the Consumer Secret"
+                    }
+                  },
+                  "additionalProperties": false
+                },
+                "userDetailsClaim": {
+                  "type": "string",
+                  "description": "The name of the claim from which we should read user details"
+                }
+              },
+              "additionalProperties": false
+            },
+            "customOpenIdConnectProviders": {
+              "type": "object",
+              "patternProperties": {
+                ".*": {
+                  "required": ["registration", "login"],
+                  "properties": {
+                    "enabled": {
+                      "description": "<false> if the custom OpenID Connect provider is not enabled, <true> otherwise",
+                      "type": "boolean",
+                      "default": true
+                    },
+                    "registration": {
+                      "type": "object",
+                      "required": ["clientCredential", "openIdConnectConfiguration"],
+                      "properties": {
+                        "clientIdSettingName": {
+                          "type": "string",
+                          "description": "The name of the application setting containing the Client ID"
+                        },
+                        "clientCredential": {
+                          "type": "object",
+                          "required": ["clientSecretSettingName"],
+                          "properties": {
+                            "clientSecretSettingName": {
+                              "type": "string",
+                              "description": "The name of the application setting containing the Client Secret"
+                            }
+                          }
+                        },
+                        "openIdConnectConfiguration": {
+                          "type": "object",
+                          "properties": {
+                            "authorizationEndpoint": {
+                              "type": "string",
+                              "description": "The path to the authorization endpoint"
+                            },
+                            "tokenEndpoint": {
+                              "type": "string",
+                              "description": "The path to the token endpoint"
+                            },
+                            "issuer": {
+                              "type": "string",
+                              "description": "The path to the issuer endpoint"
+                            },
+                            "certificationUri": {
+                              "type": "string",
+                              "description": "The path to the jwks uri"
+                            },
+                            "wellKnownOpenIdConfiguration": {
+                              "type": "string",
+                              "description": "The path to the well known configuration endpoint"
+                            }
+                          }
+                        }
+                      },
+                      "additionalProperties": false
+                    },
+                    "login": {
+                      "type": "object",
+                      "description": "",
+                      "properties": {
+                        "nameClaimType": {
+                          "type": "string"
+                        },
+                        "scopes": {
+                          "type": "array",
+                          "items": {
+                            "type": "string"
+                          }
+                        },
+                        "loginParameterNames": {
+                          "type": "array",
+                          "items": {
+                            "type": "string"
+                          }
+                        }
+                      },
+                      "additionalProperties": false
+                    }
+                  },
+                  "additionalProperties": false
+                }
+              }
+            }
+          },
+          "additionalProperties": false
+        }
+      },
+      "additionalProperties": false
+    }
+  },
+  "description": "Documentation: https://aka.ms/swa/config-schema",
+  "id": "https://json.schemastore.org/staticwebapp.config.json",
+  "properties": {
+    "$schema": {
+      "type": "string",
+      "default": "https://json.schemastore.org/staticwebapp.config.json",
+      "description": "JSON schema"
+    },
+    "routes": {
+      "type": "array",
+      "description": "Route definitions to modify routing behavior",
+      "default": [
+        {
+          "route": "/example",
+          "rewrite": "/example.html"
+        }
+      ],
+      "items": {
+        "examples": [
+          {
+            "route": "/example",
+            "rewrite": "/example.html"
+          },
+          {
+            "route": "/login",
+            "redirect": "/.auth/login/github"
+          }
+        ],
+        "anyOf": [
+          {
+            "allOf": [
+              {
+                "$ref": "#/definitions/route"
+              }
+            ]
+          }
+        ]
+      }
+    },
+    "navigationFallback": {
+      "type": "object",
+      "description": "A default file to return if the request does not match a resource",
+      "default": {
+        "rewrite": "/index.html"
+      },
+      "required": ["rewrite"],
+      "properties": {
+        "rewrite": {
+          "type": "string",
+          "description": "The default file to return if the request does not match a resource",
+          "default": "/index.html"
+        },
+        "exclude": {
+          "type": "array",
+          "description": "Paths to exclude from the fallback route. May use valid wildcards. https://aka.ms/swa/config-schema",
+          "examples": [["*.{jpg,gif,png}", "assets/*"]]
+        }
+      },
+      "additionalProperties": false
+    },
+    "responseOverrides": {
+      "type": "object",
+      "description": "Custom error pages or redirects",
+      "examples": [
+        {
+          "404": {
+            "rewrite": "/custom_404.html",
+            "statusCode": 200
+          }
+        }
+      ],
+      "propertyNames": {
+        "pattern": "^\\d+$"
+      },
+      "patternProperties": {
+        ".*": {
+          "oneOf": [
+            {
+              "type": "object",
+              "properties": {
+                "redirect": {
+                  "type": "string",
+                  "description": "Redirect to a relative or absolute path, or an external URI. Default status code is 302, override with 301."
+                },
+                "statusCode": {
+                  "type": "integer",
+                  "description": "Status code"
+                },
+                "rewrite": {
+                  "type": "string",
+                  "description": "A path to rewrite the request route to"
+                }
+              }
+            }
+          ]
+        }
+      }
+    },
+    "mimeTypes": {
+      "type": "object",
+      "description": "Custom mime types configuration",
+      "default": {},
+      "examples": [
+        {
+          ".config": "application/xml"
+        }
+      ],
+      "patternProperties": {
+        "^\\..+$": {
+          "type": "string"
+        }
+      },
+      "additionalProperties": false
+    },
+    "globalHeaders": {
+      "type": "object",
+      "description": "Default headers to set on all responses",
+      "additionalProperties": true
+    },
+    "auth": {
+      "$ref": "#/definitions/auth"
+    },
+    "networking": {
+      "type": "object",
+      "description": "Networking configuration",
+      "properties": {
+        "allowedIpRanges": {
+          "type": "array",
+          "description": "Restrict access to one or more IPv4 ranges. Supports CIDR notation (e.g., \"192.168.100.14/24\")",
+          "items": {
+            "type": "string"
+          },
+          "examples": [["10.0.0.0/24", "192.1.1.1/10"]]
+        }
+      },
+      "additionalProperties": false
+    },
+    "forwardingGateway": {
+      "type": "object",
+      "description": "Forwarding gateway configuration",
+      "properties": {
+        "allowedForwardedHosts": {
+          "type": "array",
+          "description": "The value of `X-Forwarded-Host` to allow to be used when generating redirect URLs",
+          "items": {
+            "type": "string"
+          },
+          "examples": [["example.org", "www.example.org", "staging.example.org"]]
+        },
+        "requiredHeaders": {
+          "type": "object",
+          "description": "HTTP header name/value pairs that are required for access",
+          "examples": [
+            {
+              "X-Azure-FDID": "10dd26ef"
+            }
+          ],
+          "additionalProperties": true
+        }
+      },
+      "additionalProperties": false
+    },
+    "platform": {
+      "type": "object",
+      "description": "Platform configuration",
+      "properties": {
+        "apiRuntime": {
+          "type": "string",
+          "enum": [
+            "dotnet:3.1",
+            "dotnet:6.0",
+            "dotnet-isolated:6.0",
+            "dotnet-isolated:7.0",
+            "node:12",
+            "node:14",
+            "node:16",
+            "node:18",
+            "python:3.8",
+            "python:3.9",
+            "python:3.10"
+          ],
+          "description": "Language runtime for the managed functions API"
+        }
+      },
+      "additionalProperties": false
+    },
+    "trailingSlash": {
+      "type": "string",
+      "enum": ["always", "never", "auto"],
+      "description": "Trailing slash configuration"
+    }
+  },
+  "title": "Azure Static Web Apps configuration file",
+  "type": "object"
+}
diff --git a/src/core/constants.ts b/src/core/constants.ts
index 5c5a88f5..31059340 100644
--- a/src/core/constants.ts
+++ b/src/core/constants.ts
@@ -226,6 +226,8 @@ export const SWA_CONFIG_FILENAME = "staticwebapp.config.json";
 export const SWA_CONFIG_FILENAME_LEGACY = "routes.json";
 export const CUSTOM_URL_SCHEME = "swa://";
 export const OVERRIDABLE_ERROR_CODES = [400, 401, 403, 404];
+export const SWA_CONFIG_SCHEME_URL = "https://json.schemastore.org/staticwebapp.config.json";
+export const SWA_CONFIG_SCHEME_FALLBACK_PATH = path.join(__dirname, "..", "..", "schema", SWA_CONFIG_FILENAME);
 
 // Constants related to Api runtime
 export const DEFAULT_VERSION = {
diff --git a/src/core/utils/user-config.ts b/src/core/utils/user-config.ts
index 622c8767..a2265860 100644
--- a/src/core/utils/user-config.ts
+++ b/src/core/utils/user-config.ts
@@ -5,7 +5,13 @@ import type http from "http";
 import jsonMap from "json-source-map";
 import fetch, { RequestInit } from "node-fetch";
 import path from "path";
-import { SWA_CONFIG_FILENAME, SWA_CONFIG_FILENAME_LEGACY, SWA_RUNTIME_CONFIG_MAX_SIZE_IN_KB } from "../constants";
+import {
+  SWA_CONFIG_FILENAME,
+  SWA_CONFIG_FILENAME_LEGACY,
+  SWA_RUNTIME_CONFIG_MAX_SIZE_IN_KB,
+  SWA_CONFIG_SCHEME_URL,
+  SWA_CONFIG_SCHEME_FALLBACK_PATH,
+} from "../constants";
 import { logger } from "./logger";
 import { isHttpUrl } from "./net";
 const { readdir, readFile, stat } = fs.promises;
@@ -165,11 +171,10 @@ function findLineAndColumnByPosition(content: string, position: number | undefin
 }
 
 async function loadSWAConfigSchema(): Promise<JSONSchemaType<SWACLIConfigFile> | null> {
-  const schemaUrl = "https://json.schemastore.org/staticwebapp.config.json";
   try {
-    const res = await fetch(schemaUrl, { timeout: 10 * 1000 } as RequestInit);
+    const res = await fetch(SWA_CONFIG_SCHEME_URL, { timeout: 10 * 1000 } as RequestInit);
     if (res.status === 200) {
-      logger.silly(`Schema loaded successfully from ${schemaUrl}`);
+      logger.silly(`Schema loaded successfully from ${SWA_CONFIG_SCHEME_URL}`);
       return (await res.json()) as JSONSchemaType<SWACLIConfigFile>;
     }
     logger.silly(`Status: ${res.status} ${res.statusText}.`);
@@ -177,7 +182,18 @@ async function loadSWAConfigSchema(): Promise<JSONSchemaType<SWACLIConfigFile> |
     logger.warn((err as any).message);
   }
 
-  logger.silly(`Failed to load schema from ${schemaUrl}`);
+  logger.warn(`Warning: Failed to load schema from ${SWA_CONFIG_SCHEME_URL}. Try to load fallback schema locally.`);
+
+  try {
+    const data = fs.readFileSync(SWA_CONFIG_SCHEME_FALLBACK_PATH, "utf8");
+    const config = JSON.parse(data);
+    logger.silly(`Schema loaded successfully from ${SWA_CONFIG_SCHEME_FALLBACK_PATH}`);
+    return config;
+  } catch (err) {
+    logger.warn((err as any).message);
+    logger.warn(`Warning: Failed to load staticwebapp.config.json schema from ${SWA_CONFIG_SCHEME_FALLBACK_PATH}.`);
+  }
+
   return null;
 }