Image is exactly like the original "composer" image. It uses the exact format for the commands. The difference is that I have added missing extensions. Below you can find a list of this extensions:
Version 1.0:
- Contains composer version 1
- Added bcmath extension support in version 1.0.0
- Added sockets extension support in version 1.0.1
- Added amqp extension support in version 1.0.2
- Added apcu extension support in version 1.0.3
- Added memcached extension support in version 1.0.3
- Added mcrypt extension support in version 1.0.4
- Added trader extension support in version 1.0.6
Version 2.0:
- Contains composer version 2
- Includes all extension from versions 1.0.0 till 1.0.5
- Includes trader extension but only on version 2.0.1
All versions till 2.0.* have PHP version 7.3.10
Version 2.1:
- Remade the image from scratch using ubuntu:20.04 as base image. Command for install remains the same
- Image has PHP version 8.0
- Includes all the extensions from version 2.0.1, except the trader one which seems like it is not yet supported by PHP 8.0 (will be added in a future version)
- Added grpc extension support in version 2.1.1