Cloud Run functions runtimes

Cloud Run functions runs in an environment consisting of an operating system version with add-on packages, language support, and the Functions Frameworks library that supports and invokes your function. This environment is identified by the language version, and is known as the runtime. There are multiple programming languages available: Node.js, Python, Go, Java, Ruby, PHP, and .NET. See Cloud Run functions overview to learn more.

Cloud Run functions runtimes

Runtimes are available in multiple languages, with specific instructions for each language:

Runtime support schedule

Cloud Run functions runtimes are subject to the Cloud Run runtime lifecycle and support schedule:

Node.js

Runtime
Runtime ID
Stacks
Runtime base image
Node.js 24
(Preview only)
nodejs24
  • google-24 (default)
  • google-24-full
  • Node.js 22
    nodejs22
  • google-22 (default)
  • google-22-full
  • Node.js 20
    nodejs20
  • google-22 (default)
  • google-22-full
  • Node.js 18
    nodejs18
  • google-22 (default)
  • google-22-full
  • Node.js 16
    nodejs16
    google-18-full
    Node.js 14
    nodejs14
    google-18-full
    Node.js 12
    nodejs12
    google-18-full
    Node.js 10
    nodejs10
    google-18-full
    Node.js 8
    nodejs8
    Decommissioned
    Decommissioned
    Node.js 6
    nodejs6
    Decommissioned
    Decommissioned

    Python

    Runtime
    Runtime ID
    Stacks
    Runtime base image
    Python 3.13
    python313
  • google-22 (default)
  • google-22-full
  • Python 3.12
    python312
  • google-22 (default)
  • google-22-full
  • Python 3.11
    python311
  • google-22 (default)
  • google-22-full
  • Python 3.10
    python310
  • google-22 (default)
  • google-22-full
  • Python 3.9
    python39
    google-18-full
    Python 3.8
    python38
    google-18-full
    Python 3.7
    python37
    google-18-full

    Go

    Runtime
    Runtime ID
    Stacks
    Runtime base image
    Go 1.25
    go125
  • google-22 (default)
  • google-22-full
  • Go 1.24
    go124
  • google-22 (default)
  • google-22-full
  • Go 1.23
    go123
  • google-22 (default)
  • google-22-full
  • Go 1.22
    go122
  • google-22 (default)
  • google-22-full
  • Go 1.21
    go121
  • google-22 (default)
  • google-22-full
  • Go 1.20
    go120
  • google-22 (default)
  • google-22-full
  • Go 1.19
    go119
  • google-22 (default)
  • google-22-full
  • Go 1.18
    go118
  • google-22 (default)
  • google-22-full
  • Go 1.16
    go116
    google-18-full
    Go 1.13
    go113
    google-18-full
    Go 1.11
    go111
    Decommissioned
    Decommissioned

    Java

    Runtime
    Runtime ID
    Stacks
    Runtime base image
    Java 21
    java21
  • google-22 (default)
  • google-22-full
  • Java 17
    java17
  • google-22 (default)
  • google-22-full
  • Java 11
    java11
    google-18-full

    Ruby

    Runtime
    Runtime ID
    Stacks
    Runtime base image
    Ruby 3.4
    ruby34
  • google-22 (default)
  • google-22-full
  • Ruby 3.3
    ruby33
  • google-22 (default)
  • google-22-full
  • Ruby 3.2
    ruby32
  • google-22 (default)
  • google-22-full
  • Ruby 3.0
    ruby30
    google-18-full
    Ruby 2.7
    ruby27
    google-18-full
    Ruby 2.6
    ruby26
    google-18-full

    PHP

    Runtime Runtime ID Stacks Runtime base image
    PHP 8.4
    php84 google-22-full (default) google-22-full/php84
    PHP 8.3
    php83 google-22-full (default) google-22-full/php83
    PHP 8.2
    php82 google-22-full (default) google-22-full/php82
    PHP 8.1
    php81 google-18-full google-18-full/php81
    PHP 7.4
    php74 google-18-full google-18-full/php74

    .NET

    Runtime
    Runtime ID
    Stacks
    Runtime base image
    .NET 8
    dotnet8
  • google-22 (default)
  • google-22-full
  • .NET 6
    dotnet6
  • google-22 (default)
  • google-22-full
  • .NET Core 3
    dotnet3
    google-18-full
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