Docs

Volcano Engine Function as a Service

Document

What's new

Release notes

Product announcement

[Product updates] Python 3.8 no longer supported

Security announcement

React deserialization code execution vulnerability notice (CVE-2025-55182)

Overview

What is veFaaS?

Benefits

Product features

Application scenarios

Billing

Billing type

Unsubscription description

Overdue description

Getting started

Getting started with function deployment

Getting started with cloud sandbox deployment

User guide

Overview

Selection guide

Application center

Application overview

Managing applications

Automatically building and deploying applications

Apply a template

AI Cloud Native

Computer Use Agent

Computer Use Agent Introduction

Deploying Computer Use Agent application with one click

Browser Session

Using Browser MCP Server

Deploying Browser Session applications with a few clicks

Introduction and quick deployment guide of Mobile Use Agent

Long-term Memory Agent

Introduction to Long-term Memory Agent

Deploying Long-term Memory Agent applications with a few clicks

Gem Browser

Deploying Gem Browser applications with a few clicks

Image generation

Deploying AI painting Stable Diffusion applications with a few clicks

Web service

Deploying an Express.js application with a few clicks

Deploying a web application with a few clicks

Audio and video processing

Deploying an FFmpeg video frame extraction application with a few clicks

Functions

Function overview

Function management

Selecting a function creation approach

Creating tasks

Creating event functions

Web application function

Creating web apps

Creating custom runtimes

Debugging

Microservices applications

Creating microservices apps

Adding CLB access configurations

AutoScaling

Starting or stopping apps

Serverless GPU

Serverless GPU overview

Managing GPU functions

Testing functions

Managing functions

Trigger management

Trigger overview

Trigger event message structure

Creating Timer triggers

Creating APIG triggers

Creating Kafka triggers

Creating BMQ triggers

Creating RocketMQ triggers

Creating TOS triggers

Creating TLS triggers

Managing triggers

Version management

Releasing functions

Observing the release process

Release notes

Version history

Monitoring and logs

Dashboard overview

Enabling veFaaS application monitoring

Enabling log delivery

Log management

Querying function execution logs

Log structure description

Advanced settings

Function configuration

Storage

Function storage selection

Mounting FileNAS

Mounting TOS

Asynchronous task

Overview of asynchronous tasks

Configuring asynchronous tasks

Resource management

Function resource statistics

Reserved instance

Resource allocation

Managing GPU function resources

Account resource statistics

Account-level resource statistics (including GPUs)

Cloud sandbox

Overview of cloud sandbox

Sandbox application

Sandbox applications management

Advanced configurations for sandbox applications

Wildcard domain configuration for sandbox applications

Connect sandbox applications to the E2B protocol

E2B compatibility

Sandbox instances

Sandbox instance warm pools

Pause and resume for sandbox instances

Sandbox images

Cloud sandbox template

All-in-one sandbox

Deploying All-in-One Sandbox applications with a few clicks

Development Guide

Code development

Code development overview

Python runtime

Installing dependencies

Golang runtime

Node.js runtime

Installing dependencies

Native runtime

Overview

Development guidelines (for web applications)

Development guidelines (for tasks)

Log collection

Image-based deployment

Code package-based deployment

Native Python runtime

Overview

Development guidelines

Log collection

Code package-based deployment

Native Node.js runtime

Overview

Development methods

Logs collection

Code package-based deployment

Pulumi

Best Practices

Authorization

Best practices on IAM authorization

Granting instances the permissions for accessing cloud services through IAM roles

AI Application

Quickly deploying SandboxFusion code sandbox

Deploying high-code AI Chat applications based on veFaaS and the ModelArk platform

Mounting Stable Diffusion Custom Models through NAS

Data processing

Synchronizing Kafka data to ES by using veFaaS

Automatically decompressing files uploaded to TOS in real time by using veFaaS

Using Function as a Service to read and write NAS file system

Using veFaaS to read and write the TOS mount directory

Feature application

Using veFaaS to implement TOS-triggered MCDN refresh and preload

Using functions to trigger CDN refreshing and preloading from Torch Object Storage (TOS)

Using veFaaS to trigger CDN refresh/preload at a scheduled time

Using veFaaS to host static sites

Quickly building a visual file manager for NAS by using veFaaS

Function Management

Manage functions using veFaaS Code Deployer plugin

Managing functions by using veFaaS MCP

Cloud sandboxes

Integrating veRL with veFaaS cloud sandbox

Solution

Consuming RocketMQ message queues through veFaaS

Consuming message queue for Kafka through Function as a Service

Consuming cloud-native messaging engine BMQ veFaaS

Consuming log data through the Volcano Engine Function as a Service

FAQs

General FAQ

How to apply for a trial of beta features?

Code development

What is an initializer?

Function instance

Why does my function have no instances?

When are function instances scaled in?

How to set the timeout for a function?

Why do the configuration/code changes not take effect?

Do function instances provide a temporary storage directory?

How do functions scale elastically?

How to install dependencies?

What should I do if the timeout of a synchronous function exceeds 900 seconds?

How does a function access the public network?

How to query the usage and cost of function resources?

Cloud sandboxes

How to obtain the access endpoint of a cloud sandbox instance?

What is the relationship between application configuration and instance configuration in the cloud sandbox?

Function revision

Are requests interrupted when a new version of a function is being released?

Trigger

What is the CloudEvents format for triggers?

Function scaling

What stages does cold start include, and how long does it take?

API reference

Call methods

Cloud sandboxes

Sandbox instances

Sandbox images

PrecacheSandboxImages

GetSandboxImagePrecacheTicket

Function

Function instance

ListFunctionInstances

GetFunctionInstanceLogs

Trigger

Timer trigger

Kafka trigger

Asynchronous task

Dependency installation tasks

CreateDependencyInstallTask

GetDependencyInstallTaskStatus

TerminateDependencyInstallTask

GetDependencyInstallTaskLogDownloadURI

SDK reference

SDK overview

Go SDK use cases

Python SDK use cases

Node.js SDK use cases

CLI reference

Preparations

Installing the CLI

Quick start

Create applications by using templates

Creating applications by using existing code

Using veFaaS in Trae

Using veFaaS via Skills

Terms

Service-Specific Terms for Volcano Engine Function as a Service

Volcano Engine veFaaS_Service Level Agreement

Documentation

Volcano Engine Function as a Service

User guide

Application center

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Long-term Memory Agent

Deploying Long-term Memory Agent applications with a few clicks

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Long-term Memory Agent

Deploying Long-term Memory Agent applications with a few clicks

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Deploying Long-term Memory Agent applications with a few clicks

Last updated: 2026.07.09 17:20:52

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