index.php

<?php
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

declare(strict_types=1);

use DI\Bridge\Slim\Bridge;
use DI\ContainerBuilder;
use Monolog\Handler\StreamHandler;
use Monolog\Logger;
use OpenTelemetry\API\Common\Log\LoggerHolder;
use Psr\Log\LogLevel;
use Slim\Factory\AppFactory;

require __DIR__ . '/../vendor/autoload.php';

LoggerHolder::set(
    new Logger('otel-php', [new StreamHandler('php://stdout', LogLevel::DEBUG)])
);

// Instantiate PHP-DI ContainerBuilder
$containerBuilder = new ContainerBuilder();

// Set up settings
$settings = require __DIR__ . '/../app/settings.php';
$settings($containerBuilder);

// Set up dependencies
$dependencies = require __DIR__ . '/../app/dependencies.php';
$dependencies($containerBuilder);

// Build PHP-DI Container instance
$container = $containerBuilder->build();

// Instantiate the app
AppFactory::setContainer($container);
$app = Bridge::create($container);

// Register middleware
$app->addRoutingMiddleware();

// Register routes
$routes = require __DIR__ . '/../app/routes.php';
$routes($app);

// Add Body Parsing Middleware
$app->addBodyParsingMiddleware();

// Add Error Middleware
$errorMiddleware = $app->addErrorMiddleware(true, true, true);

// Run App
$app->run();