Heroku PHP Extensions

Pre-built PHP extensions for Heroku that are not included or fully supported by the official PHP buildpack.

Relay
PhpRedis (with igbinary, lzf, lz4 and zstd support)
Swoole
OpenSwoole
MessagePack
igbinary

The supported PHP versions are 7.3, 7.4, 8.0 and 8.1 on the heroku-18, heroku-20, and heroku-22 stacks.

Checkout the demo app, or browse the S3 bucket.

Usage

Add the platform repository to your Heroku app:

heroku config:set HEROKU_PHP_PLATFORM_REPOSITORIES="https://relay.so/heroku/"

If you prefer using the AWS S3 repositories, add the corresponding repository to your Heroku app:

# heroku-18
heroku config:set HEROKU_PHP_PLATFORM_REPOSITORIES="https://heroku-php-extensions.s3.amazonaws.com/dist-heroku-18-stable/"

# heroku-20
heroku config:set HEROKU_PHP_PLATFORM_REPOSITORIES="https://heroku-php-extensions.s3.amazonaws.com/dist-heroku-20-stable/"

# heroku-22
heroku config:set HEROKU_PHP_PLATFORM_REPOSITORIES="https://heroku-php-extensions.s3.amazonaws.com/dist-heroku-22-stable/"

Next, add any of the extensions to composer.json as you usually would:

composer require "ext-relay:*"
composer require "ext-redis:*"
composer require "ext-swoole:*"
composer require "ext-openswoole:*"
composer require "ext-msgpack:*"
composer require "ext-igbinary:*"

Troubleshooting

See TROUBLESHOOTING.md.

Contributing

Pull requests for additional Heroku stacks, PHP versions, additional extension versions and new extension are welcome.

Development

Before continuing, read and understand the official build instructions.

Set up

# Install Composer dependencies
composer install

# Copy Python requirements
cp vendor/heroku/heroku-buildpack-php/requirements.txt .

# Create environment file
cp .env.example .env

Be sure to set all variables in your newly created .env file.

Dockerfile

Create a custom Dockerfile for heroku-22.

cat vendor/heroku/heroku-buildpack-php/support/build/_docker/heroku-22.Dockerfile > docker/build/heroku-22.Dockerfile
cat docker/heroku-22.Dockerfile >> docker/build/heroku-22.Dockerfile

Build

# Docker build
docker build --pull --tag heroku-22 --file docker/build/heroku-22.Dockerfile .

# Build libraries
docker run --rm -ti --env-file=.env heroku-22 bob build --overwrite libraries/liblzf-3.6
docker run --rm -ti --env-file=.env heroku-22 bob build --overwrite libraries/lz4-1.9.3
docker run --rm -ti --env-file=.env heroku-22 bob build --overwrite libraries/zstd-1.4.9

# Build igbinary
docker run --rm -ti --env-file=.env heroku-22 bob build extensions/no-debug-non-zts-20200930/igbinary-3.2.7

# Build msgpack
docker run --rm -ti --env-file=.env heroku-22 bob build extensions/no-debug-non-zts-20200930/msgpack-2.1.2

# Build phpredis
docker run --rm -ti --env-file=.env heroku-22 bob build extensions/no-debug-non-zts-20200930/redis-5.3.7

# Build relay
docker run --rm -ti --env-file=.env heroku-22 bob build extensions/no-debug-non-zts-20200930/relay-0.4.4

# Build swoole
docker run --rm -ti --env-file=.env heroku-20 bob build extensions/no-debug-non-zts-20200930/swoole-4.8.11

# Build openswoole
docker run --rm -ti --env-file=.env heroku-20 bob build extensions/no-debug-non-zts-20200930/openswoole-4.11.1

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