My checklist of PHP extensions used in Alpine docker image

vikbert

Xun Zhou

Posted on June 25, 2022

My checklist of PHP extensions used in Alpine docker image

I use a base-alpine-php image to build micro-service. For most of my use cases, I am going to install the following packages, if I really need them:

optional, only if I need to read/parse XML documents

  • php8-xml
  • php8-xmlwriter
  • php8-simplexml

optional, only if I need serve the application via FastCGI

  • php8-fpm
  • php8-session

optional, only if I need the communication with my favorite PostgreSQL

  • php8-pdo
  • php8-pdo_pgsql
  • php8-pgsql

optional, only if I need debug the complex PHP project

  • php8-xdebug

optional, only if I need compress the documents.

  • php8-zlib
  • php8-phar
Package Description significance
git git is required to install certain packages from source code ✅ must
make make is required to build certain packages from source code ✅ must
nano nano alternative lightweight editor in CLI optional
htop a handy command-line tool that displays running processes on a Linux system in real-time optional
curl curl is required to download certain packages ✅ must
openRC OpenRC is the init system used in alpine. The init system manages the services, startup and shutdown of the system. ✅ must
nginx Nginx (engine x) is an HTTP and reverse proxy server optional
php8 PHP engine version 8 ✅ must
php8-apcu APCu is an in-memory key-value store for PHP. APC provides both opcode caching (opcache) and object caching. ✅ must
php8-ctype this extension checks whether a character or string falls into a certain character class according to the current locale ✅ must
php8-curl this extension supports PHP to download data using curl. ✅ must
php8-posix This module contains an interface to those functions defined in the IEEE 1003.1 (POSIX.1) standards document which are not accessible through other means. ✅ must
php8-tokenizer The tokenizer functions provide an interface to the PHP tokenizer embedded in the Zend Engine. ✅ must
php8-iconv iconv converts a string from one character encoding to another ✅ must
php8-intl It enables PHP programmers to perform UCA-conformant collation and date/time/number/currency formatting in their scripts. ✅ must
php8-json PHP has these built-in functions to encode and decode JSON data ✅ must
php8-mbstring Mbstring is an extension of php used to manage non-ASCII strings. It is non-default and need to be enabled manually. ✅ must
php8-opcache Enables the opcode cache for the CLI version of PHP ✅ must
php8-openssl This extension binds functions of OpenSSL library for symmetric and asymmetric encryption and decryption. ✅ must
php8-pcntl Process Control support in PHP implements the Unix style of process creation, program execution, signal handling and process termination. ✅ must
php8-dom The built-in DOM parser makes it possible to process XML documents in PHP. optional
php8-xml XML parser for PHP optional
php8-xmlwriter XML writer for PHP optional
php8-fileinfo FileInfo functions module can guess a content type and encoding of a file optional
php8-fpm FastCGI Process Manager is a primary PHP FastCGI implementation containing some features (mostly) useful for heavy-loaded sites. optional
php8-pdo PHP PDO is a database access layer that provides a uniform interface for working with multiple databases optional
php8-phar phar  is a very simple program for creating phar files with CLI optional
php8-pdo_pgsql PDO_PGSQL is a driver that implements the PHP Data Objects (PDO) interface to enable access from PHP to PostgreSQL databases. optional
php8-pgsql a PostgreSQL module for PHP engine optional
php8-xdebug Xdebug module for PHP optional
php8-zlib This module enables you to transparently read and write gzip (.gz) compressed files optional
php8-session The session-support in PHP consists of a way to preserve certain data across subsequent accesses. optional
php8-simplexml a very robust SimpleXML parser optional
php8-soap The SOAP extension can be used to write SOAP Servers and Clients. It supports subsets of » SOAP 1.1, » SOAP 1.2 and » WSDL 1.1 specifications optional
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vikbert
Xun Zhou

Posted on June 25, 2022

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