> ## Documentation Index > Fetch the complete documentation index at: https://developers.liara.ir/llms.txt > Use this file to discover all available pages before exploring further. # Roll back to a release > Redeploys an earlier successful release from the last 6 months, with the environment variables it had. The app must be active and your bundle plan must support rollback. Team permission: `deploy`, `operate` or `manage`. ## OpenAPI ````yaml /spec/paas.yaml post /v1/releases/{releaseID}/rollback openapi: 3.0.1 info: title: Apps & Deployments version: 1.0.0 description: > Create apps, deploy them, change their plans and settings, and read their logs, metrics and events. ## Identifying an app Most endpoints identify an app by its **name** (`project_id`, for example `my-app`). Some use its **ID** instead (`projectID`, the 24-character `_id` returned when you create or list apps). Each endpoint says which one it expects. ## Deploying 1. Upload your source code as a `.tar.gz` or `.zip` archive with `POST /v2/projects/{project_id}/sources`. You get a `sourceID`. 2. Create a release with `POST /v2/projects/{project_id}/releases`, passing the `sourceID`. For `docker` apps you can pass a ready-made `image` instead. 3. Follow the build with `GET /v2/releases/{releaseID}/build-logs` and check the release `state` with `GET /v1/releases/{releaseID}` until it's `READY` (or `FAILED`, `CANCELED`, `TIMEDOUT` or `UNHEALTHY`). ## Interactive shell (WebSocket) Open a shell in a running app over WebSocket: ```text wss://api.liara.ir/v1/exec?token=&project_id=&cmd= ``` - `token`: your API token. - `project_id`: the app's name. - `cmd`: the command to run, for example `/bin/bash`. URL-encode it. - `teamID` (optional): the team that owns the app. You need the `operate` or `manage` permission on the app. Everything you send is passed to the command's input, and its output is sent back to you. If the app has never been deployed successfully, you get the message `Service does not exist yet. You should have at least one successful release.` and the connection closes. The handshake fails with `401` for a missing or invalid token, `400` if `project_id` or `cmd` is missing or `teamID` is invalid, `403` without access to the team or app, and `404` if the app doesn't exist. ## Team permissions With `teamID`, each endpoint needs one of the project permissions it lists (`view`, `deploy`, `operate` or `manage`). A permission from your role or a resource permission on that app both count. servers: - url: https://api.liara.ir security: - bearerAuth: [] tags: - name: Apps description: Create, list, inspect and delete apps. - name: Configuration description: Environment variables, port, DNS servers, plans and scaling. - name: Settings description: >- Read-only filesystem, default subdomain, zero-downtime deployment and fixed outbound IP. - name: Deployments description: Upload source code, create releases, follow builds and roll back. - name: Logs, Metrics & Events description: Runtime logs, resource usage and lifecycle events. - name: Networks description: Private networks that apps and databases are created in. paths: /v1/releases/{releaseID}/rollback: post: tags: - Deployments summary: Roll back to a release description: >- Redeploys an earlier successful release from the last 6 months, with the environment variables it had. The app must be active and your bundle plan must support rollback. Team permission: `deploy`, `operate` or `manage`. operationId: rollbackRelease parameters: - $ref: '#/components/parameters/TeamID' - $ref: '#/components/parameters/ReleaseID' responses: '200': description: The rollback started. The response body is empty. '400': description: '`teamID` is invalid, or the release isn''t a successful deployment.' content: application/json: schema: $ref: '#/components/schemas/Error' '401': $ref: '#/components/responses/Unauthorized' '403': description: >- The app isn't active, or, with `teamID`, you aren't a member (`team_not_found`) or lack the permission (`no_permission`). content: application/json: schema: $ref: '#/components/schemas/Error' example: statusCode: 403 error: Forbidden message: The project must be active. data: null '404': description: No release with this ID from the last 6 months. content: application/json: schema: $ref: '#/components/schemas/Error' '409': description: The release is already running. content: application/json: schema: $ref: '#/components/schemas/Error' example: statusCode: 409 error: Conflict message: You can not rollback to the current active release. data: null '428': description: Your bundle plan doesn't support rollback. content: application/json: schema: $ref: '#/components/schemas/Error' example: statusCode: 428 error: Precondition Required message: The project does not support rollback. data: code: rollback_not_supported components: parameters: TeamID: name: teamID in: query required: false description: >- Run the request in the context of a team you belong to, instead of your personal account. schema: $ref: '#/components/schemas/ObjectID' example: '000000000000000000000002' ReleaseID: name: releaseID in: path required: true schema: $ref: '#/components/schemas/ObjectID' example: '000000000000000000000170' schemas: Error: type: object description: Standard error body. properties: statusCode: type: integer error: type: string description: HTTP status text. message: type: string description: What went wrong. data: type: object nullable: true description: >- Extra details. When present, `code` is a stable, machine-readable error code. properties: code: type: string ObjectID: type: string pattern: ^[0-9a-fA-F]{24}$ description: 24-character hexadecimal ID. AuthError: type: object description: Error body returned when the API token is rejected. properties: error: type: string responses: Unauthorized: description: The API token is missing, invalid or expired. content: application/json: schema: $ref: '#/components/schemas/AuthError' example: error: Unauthorized. securitySchemes: bearerAuth: type: http scheme: bearer description: 'Send your API token as `Authorization: Bearer `.' ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.