Added solution in php for TDD exercise tiered pricing

exercises/tiered_pricing/solutions/malakaton-php/.gitignore

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+/.env.local
+/.env.local.php
+/.env.*.local
+.idea

exercises/tiered_pricing/solutions/malakaton-php/README.md

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+### Requirements
+- [Docker](https://www.docker.com/)
+
+### Start working
+Install and run the application.
+```sh
+docker/up
+```
+## Running tests
+With this command you will execute all the test (Functional, Integration, Unit and e2e). You don't need to execute something more.
+```sh
+docker/test
+```
+![Alt Text](https://64.media.tumblr.com/723987e60ebfffeb744f84fa92e52245/tumblr_neglojBBbo1sx56xso1_400.gif)
+<br>
+"We are amidst strange beings, in a strange land."
+<br><br>
+Solaire De Astora

exercises/tiered_pricing/solutions/malakaton-php/docker-compose.yml

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+version: '3.7'
+
+services:
+
+  # APP SERVICES
+  php-fpm:
+    build:
+      target: development
+      context: .
+      dockerfile: ./docker/php-fpm/Dockerfile
+    volumes:
+      - ./src/:/opt/app/
+      - "./docker/php-fpm/conf/php-fpm.conf:/etc/php-fpm.conf"
+      - "./docker/php-fpm/conf/php.ini:/usr/local/etc/php/conf.d/100-php.ini"
+
+  nginx:
+    build: docker/nginx
+    volumes:
+      - "./docker/nginx/conf/project.conf:/etc/nginx/conf.d/00-project.conf"
+    depends_on:
+      - php-fpm
+    ports:
+      - 80:80

exercises/tiered_pricing/solutions/malakaton-php/docker/nginx/Dockerfile

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+FROM nginx:1.16
+
+COPY conf/project.conf /etc/nginx/conf.d/00-project.conf

exercises/tiered_pricing/solutions/malakaton-php/docker/nginx/conf/project.conf

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+upstream php_upstream { # define our php upstream
+    server php-fpm:9000;
+}
+
+server {
+    listen 80;
+    server_name oursuperawesometwittershoutapi.com project.tld;
+
+    root   /opt/app/public;
+    index  index.php;
+
+    location / {
+       try_files $uri $uri/ /index.php$is_args$args;
+    }
+
+     error_page 404 /index.php;
+
+    location ~ ^/(index)\.php(/|$) {
+        fastcgi_pass php-fpm:9000;
+        fastcgi_index index.php;
+
+        include fastcgi_params;
+
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        fastcgi_param PATH_INFO $fastcgi_path_info;
+    }
+}

exercises/tiered_pricing/solutions/malakaton-php/docker/php-fpm/Dockerfile

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+FROM php:8.1.5-fpm-alpine as production
+
+# Install needed modules to run the application
+RUN apk update \
+ && apk --quiet add \
+    libzip-dev
+
+# Add php extension to work with zip files
+RUN docker-php-ext-install -j$(nproc) \
+    zip
+
+RUN apk --no-cache add pcre-dev ${PHPIZE_DEPS} \
+    && pecl install -o -f redis \
+    && rm -rf /tmp/pear \
+    && docker-php-ext-enable redis \
+    && apk del pcre-dev ${PHPIZE_DEPS}
+
+# Install OPCACHE extension
+RUN docker-php-ext-install opcache
+
+WORKDIR /opt/app
+
+# Install XDEBUG extension
+RUN apk add --no-cache $PHPIZE_DEPS \
+    && pecl install xdebug-3.1.4 \
+    && docker-php-ext-enable xdebug
+
+
+# Install Composer
+RUN curl -sS https://getcomposer.org/installer | php -- --version=2.3.5 --install-dir=/usr/local/bin --filename=composer
+
+# Add prestissimo for parallel composer downloads
+#RUN composer global require "hirak/prestissimo"
+
+# Copy source code into container
+COPY ./src/ .
+
+# Install production dependencies
+RUN composer install
+
+FROM production as development
+
+# Install with dev dependencies
+CMD sh -c "composer install && docker-php-entrypoint php-fpm"

exercises/tiered_pricing/solutions/malakaton-php/docker/php-fpm/conf/php-fpm.conf

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+[global]
+
+error_log = /proc/stderr
+daemonize = no
+
+[www]
+
+; if we send this to /proc/self/fd/1, it never appears
+access.log = /proc/stdout
+
+; this does the trick for changing the user
+user = project
+group = project
+
+listen = [::]:9000
+
+pm = dynamic
+pm.max_children = 5
+pm.start_servers = 2
+pm.min_spare_servers = 1
+pm.max_spare_servers = 3
+
+clear_env = no
+
+; Ensure worker stdout and stderr are sent to the main error log.
+catch_workers_output = yes

exercises/tiered_pricing/solutions/malakaton-php/docker/php-fpm/conf/php.ini

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+display_errors = On
+display_startup_errors = On
+error_reporting = E_ALL
+
+max_execution_time = 60
+max_input_time = 60
+memory_limit = 256M
+
+post_max_size = 32M
+upload_max_filesize = 32M
+
+realpath_cache_size = 4096K
+realpath_cache_ttl = 600
+
+date.timezone = "Europe/Paris"
+
+opcache.max_accelerated_files = 20000
+opcache.memory_consumption = 256
+
+xdebug.mode=develop,debug,coverage
+xdebug.start_with_request=yes
+# Default log_level is 7
+xdebug.log_level=0

exercises/tiered_pricing/solutions/malakaton-php/docker/test

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+#!/usr/bin/env bash
+
+docker-compose run php-fpm vendor/bin/phpunit --testsuite='Unit' --order-by=random
+#docker-compose run php-fpm vendor/bin/phpunit --testsuite='Integration' --order-by=random
+docker-compose run php-fpm vendor/bin/phpunit --testsuite='e2e' --order-by=random
+

exercises/tiered_pricing/solutions/malakaton-php/docker/up

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+#!/usr/bin/env bash
+
+docker-compose up --build -d
+

exercises/tiered_pricing/solutions/malakaton-php/src/.env

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+# In all environments, the following files are loaded if they exist,
+# the latter taking precedence over the former:
+#
+#  * .env                contains default values for the environment variables needed by the app
+#  * .env.local          uncommitted file with local overrides
+#  * .env.$APP_ENV       committed environment-specific defaults
+#  * .env.$APP_ENV.local uncommitted environment-specific overrides
+#
+# Real environment variables win over .env files.
+#
+# DO NOT DEFINE PRODUCTION SECRETS IN THIS FILE NOR IN ANY OTHER COMMITTED FILES.
+#
+# Run "composer dump-env prod" to compile .env files for production use (requires symfony/flex >=1.2).
+# https://symfony.com/doc/current/best_practices.html#use-environment-variables-for-infrastructure-configuration
+
+###> symfony/framework-bundle ###
+APP_ENV=dev
+APP_SECRET=457f9027edc25ab2ad5714be09f1a00d
+REDIS_HOST=redis
+REDIS_PORT=6379
+###< symfony/framework-bundle ###
+###> symfony/messenger ###
+#MESSENGER_TRANSPORT_DSN=amqp://rabbit:mq@rabbit:5672

exercises/tiered_pricing/solutions/malakaton-php/src/.env.test

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+# define your env variables for the test env here
+KERNEL_CLASS='App\Kernel'
+APP_SECRET='$ecretf0rt3st'
+SYMFONY_DEPRECATIONS_HELPER=999999
+PANTHER_APP_ENV=panther
+#DATABASE_TEST_URL=
+REDIS_HOST=redis
+REDIS_PORT=6379

exercises/tiered_pricing/solutions/malakaton-php/src/.gitignore

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+
+###> symfony/framework-bundle ###
+/.env.local
+/.env.local.php
+/.env.*.local
+/config/secrets/prod/prod.decrypt.private.php
+/public/bundles/
+/var/
+/vendor/
+/report/
+###< symfony/framework-bundle ###
+
+###> symfony/phpunit-bridge ###
+.phpunit
+.phpunit.result.cache
+/phpunit.xml
+###< symfony/phpunit-bridge ###
+
+###> phpunit/phpunit ###
+/phpunit.xml
+.phpunit.result.cache
+###< phpunit/phpunit ###

exercises/tiered_pricing/solutions/malakaton-php/src/behat.yml.dist

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+default:
+    suites:
+        default:
+          paths:
+            -  "%paths.base%/tests/Functional/Features/Tweet.feature"
+          filters:
+          contexts:
+            - App\Tests\Functional\Contexts\TweetContext
+
+    extensions:
+        FriendsOfBehat\SymfonyExtension:
+            bootstrap: 'config/behat/bootstrap.php'
+            kernel:
+                environment: test

exercises/tiered_pricing/solutions/malakaton-php/src/bin/bootstrap.php

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+<?php
+
+use Symfony\Component\Dotenv\Dotenv;
+
+require dirname(__DIR__) . '/vendor/autoload.php';
+
+if (file_exists(dirname(__DIR__) . '/config/bootstrap.php')) {
+    require dirname(__DIR__) . '/config/bootstrap.php';
+} elseif (method_exists(Dotenv::class, 'bootEnv')) {
+    (new Dotenv())->bootEnv(dirname(__DIR__) . '/.env.test');
+}

exercises/tiered_pricing/solutions/malakaton-php/src/bin/console

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+#!/usr/bin/env php
+<?php
+
+use App\Kernel;
+use Symfony\Bundle\FrameworkBundle\Console\Application;
+use Symfony\Component\Console\Input\ArgvInput;
+use Symfony\Component\Dotenv\Dotenv;
+use Symfony\Component\ErrorHandler\Debug;
+
+if (!in_array(PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
+    echo 'Warning: The console should be invoked via the CLI version of PHP, not the '.PHP_SAPI.' SAPI'.PHP_EOL;
+}
+
+set_time_limit(0);
+
+require dirname(__DIR__).'/vendor/autoload.php';
+
+if (!class_exists(Application::class) || !class_exists(Dotenv::class)) {
+    throw new LogicException('You need to add "symfony/framework-bundle" and "symfony/dotenv" as Composer dependencies.');
+}
+
+$input = new ArgvInput();
+if (null !== $env = $input->getParameterOption(['--env', '-e'], null, true)) {
+    putenv('APP_ENV='.$_SERVER['APP_ENV'] = $_ENV['APP_ENV'] = $env);
+}
+
+if ($input->hasParameterOption('--no-debug', true)) {
+    putenv('APP_DEBUG='.$_SERVER['APP_DEBUG'] = $_ENV['APP_DEBUG'] = '0');
+}
+
+(new Dotenv())->bootEnv(dirname(__DIR__).'/.env');
+
+if ($_SERVER['APP_DEBUG']) {
+    umask(0000);
+
+    if (class_exists(Debug::class)) {
+        Debug::enable();
+    }
+}
+
+$kernel = new Kernel($_SERVER['APP_ENV'], (bool) $_SERVER['APP_DEBUG']);
+$application = new Application($kernel);
+$application->run($input);

exercises/tiered_pricing/solutions/malakaton-php/src/bin/phpunit

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+#!/usr/bin/env php
+<?php
+
+if (!file_exists(dirname(__DIR__).'/vendor/symfony/phpunit-bridge/bin/simple-phpunit.php')) {
+    echo "Unable to find the `simple-phpunit.php` script in `vendor/symfony/phpunit-bridge/bin/`.\n";
+    exit(1);
+}
+
+if (false === getenv('SYMFONY_PHPUNIT_DIR')) {
+    putenv('SYMFONY_PHPUNIT_DIR='.__DIR__.'/.phpunit');
+}
+
+require dirname(__DIR__).'/vendor/symfony/phpunit-bridge/bin/simple-phpunit.php';