Docker image for PHP 7.3

Provides a PHP 7.3 docker image based on our Alpine Linux 3.10 base image.

This image can be used as a base for the testing and deployment of PHP applications.

To build the docker image, do not forget to adapt the base image version in Dockerfile where necessary.

Included scripts:

Script	Purpose
php-ext.sh	Enables, disables or shows PHP extensions
php-extensions.sh	Provides helper functions for getting available and default PHP extensions
setup-gitlab-token-auth.sh	Configures git and composer authentication via GitLab CI token
setup-nginx.sh	Configures the built-in nginx web server

Included tools:

Tool	Description	Website
sami	Sami API documentation generator	https://github.com/FriendsOfPHP/Sami
phpcs	PHP CodeSniffer	https://github.com/squizlabs/PHP_CodeSniffer/

For running the PHP applications, a locked default user project with UID 1000 is created.

Usage example (with custom GitLab server)

# .gitlab-ci.yml
stages:
  - test

test:
  stage: test
  image: gmitirol/alpine310-php73:v1
  artifacts:
    expire_in: 1 hour
    name: "$CI_PROJECT_PATH_SLUG-$CI_PIPELINE_ID"
    paths:
      - build/coverage
      - build/doc
  script:
    - php-ext.sh enable 'xdebug'
    - setup-gitlab-token-auth.sh "$CI_JOB_TOKEN" "gitlab.example.com"
    - composer install --no-progress
    - phpcs $CI_PROJECT_DIR/src $CI_PROJECT_DIR/tests --standard=PSR2
    - php vendor/bin/phpunit $CI_PROJECT_DIR/tests --coverage-text -vv --colors=never
    - sami update sami.php
  tags:
    - shared