My first homework

.env.example

@@ -0,0 +1,13 @@
+POSTGRES_DB_NAME=otus
+POSTGRES_PASSWORD=otus
+POSTGRES_USER_NAME=otus
+POSTGRES_HOST=postgres
+POSTGRES_PORT=5432
+
+REDIS_HOST=redis
+REDIS_PORT=6379
+
+MEMCACHED_HOST=memcached
+MEMCACHED_PORT=11211
+
+ROOT_DIR=/var/www/html

.gitignore

@@ -3,3 +3,6 @@
 .DS_Store
 .AppleDouble
 .LSOverride
+/www/vendor/
+/docker/db/
+.env

docker-compose.yaml

@@ -0,0 +1,62 @@
+version: '3'
+
+services:
+  nginx:
+    build:
+      context: docker/nginx
+      dockerfile: Dockerfile
+    image: myapp/nginx
+    container_name: nginx
+    ports:
+      - "${NGINX_PORT}:${NGINX_PORT}"
+    volumes:
+      - ./www:${ROOT_DIR}
+    networks:
+      - app-network
+    depends_on:
+      - app
+
+  app:
+    build:
+      context: docker/fpm
+      dockerfile: Dockerfile
+    image: myapp/php
+    container_name: app
+    env_file:
+      - .env
+    volumes:
+      - ./www:${ROOT_DIR}
+    depends_on:
+      - redis
+      - memcached
+      - postgres
+    networks:
+      - app-network
+  redis:
+    image: redis:latest
+    container_name: ${REDIS_HOST}
+    networks:
+      - app-network
+  memcached:
+    image: memcached:latest
+    container_name: ${MEMCACHED_HOST}
+    networks:
+      - app-network
+  postgres:
+    image: postgres:latest
+    restart: always
+    container_name: ${POSTGRES_HOST}
+    ports:
+      - "${POSTGRES_PORT}:${POSTGRES_PORT}"
+    environment:
+      POSTGRES_DB: ${POSTGRES_DB_NAME}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_USER: ${POSTGRES_USER_NAME}
+    volumes:
+      - ./docker/db/postgresql/data:/var/lib/postgresql/data
+    networks:
+      - app-network
+
+networks:
+ app-network:
+   driver: bridge

docker/fpm/Dockerfile

@@ -0,0 +1,23 @@
+FROM php:8.2-fpm
+
+COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
+
+RUN apt-get update && apt-get install -y \
+        libpq-dev \
+        zlib1g-dev \
+        libzip-dev \
+        libmemcached-dev \
+        libssl-dev \
+        && docker-php-ext-install -j$(nproc) \
+        mysqli \
+        pdo_mysql \
+        zip \
+        && pecl install memcached \
+        && docker-php-ext-enable memcached \
+        && docker-php-ext-install pdo pdo_pgsql pgsql
+
+COPY --from=composer:latest /usr/bin/composer /usr/bin/composer
+
+WORKDIR /var/www/html
+
+CMD composer install;php-fpm

docker/nginx/Dockerfile

@@ -0,0 +1,9 @@
+FROM nginx:latest
+
+COPY hosts/otus.local.conf /etc/nginx/conf.d/otus.local.conf
+
+WORKDIR /var/www/html
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]

docker/nginx/hosts/otus.local.conf

@@ -0,0 +1,27 @@
+server {
+    listen 80;
+
+    server_name otus.local;
+
+    root /var/www/html;
+
+    index index.php index.html;
+
+    location ~* .(jpg|jpeg|gif|css|png|js|ico|html)$ {
+        access_log off;
+        expires max;
+    }
+
+    location / {
+        try_files $uri $uri/ /index.php?$query_string;
+    }
+
+    location ~* .php$ {
+        try_files $uri = 404;
+        fastcgi_split_path_info ^(.+.php)(/.+)$;
+        fastcgi_pass app:9000;
+        fastcgi_index index.php;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        include fastcgi_params;
+    }
+}

www/composer.json

@@ -0,0 +1,10 @@
+{
+  "require": {
+    "predis/predis": "^1.1"
+  },
+ "autoload": {
+    "psr-4": {
+      "Otus\\": "src/"
+    }
+  }
+}

www/index.php

@@ -0,0 +1,54 @@
+<?php
+
+require __DIR__ . '/vendor/autoload.php';
+
+use Predis\Client;
+
+$redisHost = getenv('REDIS_HOST');
+$redisPort = getenv('REDIS_PORT');
+
+$redisClient = new Client(['host' => $redisHost, 'port' => $redisPort]);
+
+try
+{
+	$redisClient->set('connect', 'Redis connected');
+	$redisValue = $redisClient->get('connect');
+	echo "<div style=\"color:red\">$redisValue</div></br>";
+}
+catch (Exception $e)
+{
+	echo 'Error connect Redis: ' . $e->getMessage() . '</br>';
+}
+
+$memcachedHost = getenv('MEMCACHED_HOST');
+$memcachedPort = getenv('MEMCACHED_PORT');
+$memcached = new Memcached();
+$memcached->addServer($memcachedHost, $memcachedPort);
+$memcached->set('connect', 'Memcached connected');
+$memcachedValue = $memcached->get('connect');
+
+if ($memcachedValue)
+{
+	echo "<div style=\"color:blue\">$memcachedValue</div></br>";
+}
+else
+{
+	echo 'Error connect Memcached' . '</br>';
+}
+
+$postgresHost = getenv('POSTGRES_HOST');
+$postgresDBName = getenv('POSTGRES_DB_NAME');
+$postgresUserName = getenv('POSTGRES_USER_NAME');
+$postgresPassword = getenv('POSTGRES_PASSWORD');
+$postgresPort = getenv('POSTGRES_PORT');
+$dsn = "pgsql:host=$postgresHost;port=$postgresPort;dbname=$postgresDBName;";
+
+try
+{
+	$pdo = new PDO("pgsql:host=$postgresHost;port=$postgresPort;dbname=$postgresDBName;", $postgresUserName, $postgresPassword);
+	echo "<div style=\"color:orange\">Postgres connected</div></br>";
+}
+catch (\PDOException $e)
+{
+	echo "Could not connect to the database $postgresDBName:" . $e->getMessage();
+}