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Functions runtimes
Understand Serverless Functions runtimes on Scaleway, from creation to deletion.
functions lifecycle runtimes
validation posted
2025-01-16
2022-04-13

The Serverless Functions runtimes are the environment in which your code runs. We currently support five languages:

  • Javascript (NodeJS runtime)
  • Python
  • Go
  • PHP
  • Rust

Runtime lifecycle

New runtimes are added periodically, based on user demand.

Status Description
Beta (beta) The runtime has been released recently, users can test it and provide feedback, but it is not yet suitable for a production environment.
General Availability (available) The runtime is available to be used in a production environment.

When runtimes are no longer supported, they pass through different phases:

Status Description
Deprecated (deprecated) The runtime is still available, but a warning announcing the upcoming End Of Support displays when a new function is created.
End Of Support (end_of_support) It is no longer possible to create a new function with this runtime; however, functions that already use it, can still be updated. A message with the date of End of Life is displayed.
End Of Life (end_of_life) Functions that use this runtime will still be working, but it is no longer possible to update them.

Runtime upgrade

To modify a runtime version, you simply need to change the runtime value.

For example, to migrate from node18 to node20, change the runtime field and redeploy your function. Deployed runtimes are forward-compatible but not necessarily backward-compatible.

Once a function is in a deprecated, end_of_support, or end_of_life status, you are invited to upgrade your ongoing runtime to take advantage of new features, better performance, and security fixes.

Available runtimes

Node.js

Name Status Information
Node 8 (node8) End of Life
Node 10 (node10) End of Life
Node 14 (node14) End of Life
Node 16 (node16) End of Life
Node 17 (node17) End of Life
Node 18 (node18) End of Support
Node 19 (node19) End of Life
Node 20 (node20) Available
Node 22 (node22) Available

Python

Name Status Information
Python 2 (python) End of Life
Python 3 (python3) End of Life
Python 3.7 (python37) End of Life
Python 3.8 (python38) End of Support
Python 3.9 (python39) Available
Python 3.10 (python310) Available
Python 3.11 (python311) Available
Python 3.12 (python312) Available
Python 3.13 (python313) Available

Go

Name Status Information
Generic Go (golang) End of Life
Go 1.13 (go113) End of Life
Go 1.17 (go117) End of Life
Go 1.18 (go118) End of Life
Go 1.19 (go119) End of Life
Go 1.20 (go120) End of Support
Go 1.21 (go121) End of Support
Go 1.22 (go122) Available
Go 1.23 (go123) Available
Go 1.24 (go124) Available

PHP

Name Status Information
PHP 8.2 (php82) Available
PHP 8.3 (php83) Available
PHP 8.4 (php84) Available

Rust

Name Status Information
Rust 1.65 (rust165) End of Life
Rust 1.79 (rust179) End of Support
Rust 1.85 (rust185) Available Edition 2024

Runtimes additional information

This page contains useful information on how Serverless Functions runtimes are built and which extensions/libraries/dependencies are loaded for each of them.

PHP

PHP 8.2 runtime configuration

Parameter Value
upload_max_filesize 2M
post_max_size 8M
max_execution_time 0
log_errors Off
file_uploads{} On

PHP 8.2 and 8.3 supported extensions

Supported PHP extensions for the PHP 8.2 and PHP 8.3 runtime.

PHP extensions
amqp ✓ apcu ✓ ast ✓ bcmath ✓
bz2 ✓ calendar ✓ Core ✓ csv ✓
ctype ✓ curl ✓ date ✓ dba ✓
ddtrace ✓ decimal ✓ dom ✓ ds ✓
enchant ✓ ev ✓ event ✓ excimer ✓
exif ✓ FFI ✓ fileinfo ✓ filter ✓
ftp ✓ gd ✓ geospatial ✓ gettext ✓
gmp ✓ gnupg ✓ grpc ✓ hash ✓
http ✓ iconv ✓ igbinary ✓ imagick ✓
imap ✓ inotify ✓ intl ✓ ion ✓
json ✓ json_post ✓ ldap ✓ libsmbclient ✓
libxml ✓ luasandbox ✓ lz4 ✓ lzf ✓
mailparse ✓ maxminddb ✓ mbstring ✓ mcrypt ✓
memcache ✓ memcached ✓ mongodb ✓ msgpack ✓
mysqli ✓ mysqlnd ✓ OAuth ✓ oci8 ✓
odbc ✓ opencensus ✓ openssl ✓ parle ✓
pcntl ✓ pcov ✓ pcre ✓ PDO ✓
pdo_dblib ✓ PDO_Firebird ✓ pdo_mysql ✓ PDO_OCI ✓
PDO_ODBC ✓ pdo_pgsql ✓ pdo_sqlite ✓ pdo_sqlsrv ✓
pgsql ✓ Phar ✓ php_trie ✓ posix ✓
protobuf ✓ pspell ✓ random ✓ raphf ✓
rdkafka ✓ readline ✓ redis ✓ Reflection ✓
SeasLog ✓ session ✓ shmop ✓ simdjson ✓
SimpleXML ✓ smbclient ✓ snappy ✓ snmp ✓
soap ✓ sockets ✓ sodium ✓ solr ✓
SPL ✓ SPX ✓ sqlite3 ✓ sqlsrv ✓
ssh2 ✓ standard ✓ Stomp ✓ swoole ✓
sysvmsg ✓ sysvsem ✓ sysvshm ✓ tidy ✓
timezonedb ✓ tokenizer ✓ uploadprogress ✓ uuid ✓
vips ✓ xdiff ✓ xlswriter ✓ xml ✓
xmldiff ✓ xmlreader ✓ xmlrpc ✓ xmlwriter ✓
xsl ✓ yac ✓ yaml ✓ Zend OPcache ✓
zephir_parser ✓ zip ✓ zlib ✓ zstd ✓

PHP 8.4 supported extensions

Supported PHP extensions for the PHP 8.4 runtime.

PHP extensions
amqp ✓ apcu ✓ ast ✓ bcmath ✓
bz2 ✓ calendar ✓ Core ✓ csv ✓
ctype ✓ curl ✓ date ✓ dba ✓
ddtrace ✓ decimal ✓ dom ✓ ds ✓
enchant ✓ ev ✓ event ✓ excimer ✓
exif ✓ FFI ✓ fileinfo ✓ filter ✓
ftp ✓ gd ✓ geospatial ✓ gettext ✓
gmp ✓ gnupg ✓ grpc ✓ hash ✓
http ✓ iconv ✓ igbinary ✓ imagick ✓
imap ✓ inotify ✓ intl ✓ ion ✓
json ✓ json_post ✓ ldap ✓ libsmbclient ✓
libxml ✓ luasandbox ✓ lz4 ✓ lzf ✓
mailparse ✓ maxminddb ✓ mbstring ✓ mcrypt x
memcache ✓ memcached ✓ mongodb ✓ msgpack ✓
mysqli ✓ mysqlnd ✓ OAuth ✓ oci8 ✓
odbc ✓ opencensus x openssl ✓ parle ✓
pcntl ✓ pcov ✓ pcre ✓ PDO ✓
pdo_dblib ✓ PDO_Firebird ✓ pdo_mysql ✓ PDO_OCI ✓
PDO_ODBC ✓ pdo_pgsql ✓ pdo_sqlite ✓ pdo_sqlsrv ✓
pgsql ✓ Phar ✓ php_trie ✓ posix ✓
protobuf ✓ pspell ✓ random ✓ raphf ✓
rdkafka ✓ readline ✓ redis ✓ Reflection ✓
SeasLog x session ✓ shmop ✓ simdjson ✓
SimpleXML ✓ smbclient ✓ snappy ✓ snmp ✓
soap ✓ sockets ✓ sodium ✓ solr ✓
SPL ✓ SPX ✓ sqlite3 ✓ sqlsrv ✓
ssh2 ✓ standard ✓ Stomp ✓ swoole ✓
sysvmsg ✓ sysvsem ✓ sysvshm ✓ tidy ✓
timezonedb ✓ tokenizer ✓ uploadprogress ✓ uuid ✓
vips ✓ xdiff ✓ xlswriter ✓ xml ✓
xmldiff ✓ xmlreader ✓ xmlrpc ✓ xmlwriter ✓
xsl ✓ yac ✓ yaml ✓ Zend OPcache ✓
zephir_parser ✓ zip ✓ zlib ✓ zstd ✓