initial ansible code

roles/webserver/handlers/main.yml

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+---
+- name: reload nginx
+  systemd:
+    name: nginx.service
+    state: reloaded
+
+- name: restart nginx
+  systemd:
+    name: nginx.service
+    daemon_reload: true
+    state: restarted

roles/webserver/meta/main.yml

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+---
+dependencies:
+  - role: rclone
+  - role: nginx
+#  - role: nginx_exporter
+  - role: php
+#  - role: php_fpm_exporter
+  - role: redis

roles/webserver/tasks/main.yml

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+---
+- name: Mount Volume
+  import_tasks: volume.yml
+
+- name: Configure Rclone
+  import_tasks: rclone.yml
+
+- name: Configure Nginx
+  import_tasks: nginx.yml
+
+- name: Configure PHP
+  import_tasks: php.yml
+
+- name: Flush handlers befor continue
+  meta: flush_handlers

roles/webserver/tasks/nginx.yml

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+---
+
+- name: Copy Nginx configs
+  template:
+    src: "{{ item.src }}"
+    dest: "{{ item.dest }}"
+    mode: 0644
+  loop:
+    - {src: "nginx.conf.j2", dest: "/etc/nginx/nginx.conf"}
+    - {src: "cert.conf.j2", dest: "/etc/nginx/global/cert.conf"}
+    - {src: "header.conf.j2", dest: "/etc/nginx/global/header.conf"}
+    - {src: "proxy.conf.j2", dest: "/etc/nginx/global/proxy.conf"}
+    - {src: "php_optimization.j2", dest: "/etc/nginx/global/php_optimization"}
+  notify: reload nginx
+
+- name: Copy virtual server configs
+  template:
+    src: "{{ item }}"
+    dest: /etc/nginx/conf.d/{{ item | basename | regex_replace('\.j2$', '') }}
+    mode: 0644
+  with_fileglob: "../templates/conf.d/*.j2"
+  notify: reload nginx
+
+## Certificates
+
+- name: Create Certificate directory
+  file:
+    path: "{{ webserver_nginx_cert_path }}"
+    state: directory
+    mode: 0755
+
+- name: Copy SSL certificates for {{ webserver_domain }}
+  copy:
+    remote_src: true
+    # make sure that ssl certs are available
+    src: "{{ lego_config_dir }}/certificates/{{ webserver_domain }}.{{ item }}"
+    dest: "{{ webserver_nginx_cert_path }}/{{ webserver_domain }}.{{ item }}"
+    owner: root
+    group: root
+    mode: 0600
+  loop: [crt, key, issuer.crt]
+  notify: reload nginx
+
+- name: Create nginx.service.d directory
+  file:
+    path: /etc/systemd/system/nginx.service.d
+    mode: 0755
+    state: directory
+
+- name: Increase max open files
+  template:
+    src: nginx_systemd.conf.j2
+    dest: /etc/systemd/system/nginx.service.d/nginx.conf
+    mode: 0644
+  notify: restart nginx

roles/webserver/tasks/php.yml

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+---
+
+- name: Set PHP options for FPM
+  ini_file:
+    path: /etc/php/{{ php_version }}/fpm/php.ini
+    section: "{{ item.section | default('PHP') }}"
+    option: "{{ item.option }}"
+    value: "{{ item.value }}"
+    state: "{{ item.state | default('present') }}"
+  loop: "{{ php_fpm_ini_options }}"
+  when: '"fpm" in php_modules'
+  notify: restart php-fpm
+
+- name: Configure FPM pool
+  lineinfile:
+    path: /etc/php/{{ php_version }}/fpm/pool.d/www.conf
+    regexp: '^{{ item.option }}\s'
+    line: '{{ item.option }} = {{ item.value }}'
+  loop: "{{ php_fpm_pool_options }}"
+  when: '"fpm" in php_modules'
+  notify: restart php-fpm
+
+- name: Configure FPM environment variables
+  replace:
+    path: /etc/php/{{ php_version }}/fpm/pool.d/www.conf
+    regexp: "^{{ item.regexp }}"
+    replace: "{{ item.replace }}"
+  loop:
+    - {regexp: ";env", replace: "env"}
+    - {regexp: ";clear_env", replace: "clear_env"}
+  when: '"fpm" in php_modules'
+  notify: restart php-fpm
+
+- name: Install imagemagick package
+  apt:
+    name: imagemagick
+  when: '"imagick" in php_modules'

roles/webserver/tasks/rclone.yml

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+---
+- name: Copy rclone config file
+  template:
+    src: "rclone.conf.j2"
+    dest: "{{ rclone_config_file }}"
+    mode: 0600
+    # rclone config file changes while using to force update via ansible use rclone_config_force
+    force: "{{ rclone_config_force }}"

roles/webserver/tasks/volume.yml

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+---
+
+- name: Gather hcloud volume infos
+  hetzner.hcloud.hcloud_volume_info:
+    api_token: "{{ vault_hcloud_token }}"
+    name: "{{ hcloud_webserver_volume_name }}"
+  delegate_to: localhost
+  register: web_hcloud_volume
+
+- name: Creates mount directory
+  file:
+    path: "{{ hcloud_webserver_volume_path }}"
+    state: directory
+    force: false
+
+- name: Mount hcloud volume
+  ansible.posix.mount:
+    path: "{{ hcloud_webserver_volume_path }}"
+    src: "{{ web_hcloud_volume.hcloud_volume_info[0].linux_device }}"
+    fstype: ext4
+    opts: discard,nofail,defaults
+    state: mounted

roles/webserver/templates/cert.conf.j2

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+## Managed by Ansible ##
+
+# Certificates
+ssl_certificate {{ webserver_nginx_cert_path }}/{{ webserver_domain }}.crt;
+ssl_certificate_key {{ webserver_nginx_cert_path }}/{{ webserver_domain }}.key;
+ssl_trusted_certificate {{ webserver_nginx_cert_path }}/{{ webserver_domain }}.issuer.crt;

roles/webserver/templates/conf.d/cloud.conf.j2

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+## Managed by Ansible ##
+
+upstream nextcloud-notify-push {
+    server unix:{{ nextcloud_notify_push_socket }};
+}
+
+# Set the `immutable` cache control options only for assets with a cache busting `v` argument
+map $arg_v $asset_immutable {
+    "" "";
+    default "immutable";
+}
+
+
+server {
+    listen 80;
+    listen [::]:80;
+    server_name {{ nextcloud_domain_name }} www.{{ nextcloud_domain_name }};
+    # enforce https
+    return 301 https://$server_name$request_uri;
+}
+
+server {
+    listen 443 ssl http2;
+    listen [::]:443 ssl http2;
+    server_name {{ nextcloud_domain_name }} www.{{ nextcloud_domain_name }};
+    include global/cert.conf;
+
+    # Path to the root of your installation
+    root {{ nextcloud_dir }};
+
+    # HSTS settings
+    # WARNING: Only add the preload option once you read about
+    # the consequences in https://hstspreload.org/. This option
+    # will add the domain to a hardcoded list that is shipped
+    # in all major browsers and getting removed from this list
+    # could take several months.
+    add_header Strict-Transport-Security "max-age=63072000" always;
+
+    # set max upload size and increase upload timeout:
+    client_max_body_size {{ nextcloud_max_upload_size }};
+    client_body_timeout 300s;
+    fastcgi_buffers 64 4K;
+
+    # Enable gzip but do not remove ETag headers
+    gzip on;
+    gzip_vary on;
+    gzip_comp_level 4;
+    gzip_min_length 256;
+    gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
+    gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/wasm application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
+
+    # Pagespeed is not supported by Nextcloud, so if your server is built
+    # with the `ngx_pagespeed` module, uncomment this line to disable it.
+    #pagespeed off;
+
+    # The settings allows you to optimize the HTTP2 bandwitdth.
+    # See https://blog.cloudflare.com/delivering-http-2-upload-speed-improvements/
+    # for tunning hints
+    client_body_buffer_size 512k;
+
+    # HTTP response headers borrowed from Nextcloud `.htaccess`
+    add_header Referrer-Policy                      "no-referrer"   always;
+    add_header X-Content-Type-Options               "nosniff"       always;
+    add_header X-Download-Options                   "noopen"        always;
+    add_header X-Frame-Options                      "SAMEORIGIN"    always;
+    add_header X-Permitted-Cross-Domain-Policies    "none"          always;
+    add_header X-Robots-Tag                         "none"          always;
+    add_header X-XSS-Protection                     "1; mode=block" always;
+
+    # Remove X-Powered-By, which is an information leak
+    fastcgi_hide_header X-Powered-By;
+
+    # Specify how to handle directories -- specifying `/index.php$request_uri`
+    # here as the fallback means that Nginx always exhibits the desired behaviour
+    # when a client requests a path that corresponds to a directory that exists
+    # on the server. In particular, if that directory contains an index.php file,
+    # that file is correctly served; if it doesn't, then the request is passed to
+    # the front-end controller. This consistent behaviour means that we don't need
+    # to specify custom rules for certain paths (e.g. images and other assets,
+    # `/updater`, `/ocm-provider`, `/ocs-provider`), and thus
+    # `try_files $uri $uri/ /index.php$request_uri`
+    # always provides the desired behaviour.
+    index index.php index.html /index.php$request_uri;
+
+    # Rule borrowed from `.htaccess` to handle Microsoft DAV clients
+    location = / {
+        if ( $http_user_agent ~ ^DavClnt ) {
+            return 302 /remote.php/webdav/$is_args$args;
+        }
+    }
+
+    location = /robots.txt {
+        allow all;
+        log_not_found off;
+        access_log off;
+    }
+
+    # Make a regex exception for `/.well-known` so that clients can still
+    # access it despite the existence of the regex rule
+    # `location ~ /(\.|autotest|...)` which would otherwise handle requests
+    # for `/.well-known`.
+    location ^~ /.well-known {
+        # The rules in this block are an adaptation of the rules
+        # in `.htaccess` that concern `/.well-known`.
+
+        location = /.well-known/carddav { return 301 /remote.php/dav/; }
+        location = /.well-known/caldav  { return 301 /remote.php/dav/; }
+
+        location /.well-known/acme-challenge    { try_files $uri $uri/ =404; }
+        location /.well-known/pki-validation    { try_files $uri $uri/ =404; }
+
+        # Let Nextcloud's API for `/.well-known` URIs handle all other
+        # requests by passing them to the front-end controller.
+        return 301 /index.php$request_uri;
+    }
+
+    # Rules borrowed from `.htaccess` to hide certain paths from clients
+    location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)(?:$|/)  { return 404; }
+    location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console)                { return 404; }
+
+    # Ensure this block, which passes PHP files to the PHP process, is above the blocks
+    # which handle static assets (as seen below). If this block is not declared first,
+    # then Nginx will encounter an infinite rewriting loop when it prepends `/index.php`
+    # to the URI, resulting in a HTTP 500 error response.
+    location ~ \.php(?:$|/) {
+        # Required for legacy support
+        rewrite ^/(?!index|remote|public|cron|core\/ajax\/update|status|ocs\/v[12]|updater\/.+|oc[ms]-provider\/.+|.+\/richdocumentscode\/proxy) /index.php$request_uri;
+
+        fastcgi_split_path_info ^(.+?\.php)(/.*)$;
+        set $path_info $fastcgi_path_info;
+
+        try_files $fastcgi_script_name =404;
+
+        include fastcgi_params;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        fastcgi_param PATH_INFO $path_info;
+        fastcgi_param HTTPS on;
+
+        fastcgi_param modHeadersAvailable true;         # Avoid sending the security headers twice
+        fastcgi_param front_controller_active true;     # Enable pretty urls
+        fastcgi_pass php-handler;
+
+        fastcgi_intercept_errors on;
+        fastcgi_request_buffering off;
+
+        fastcgi_max_temp_file_size 0;
+    }
+
+    location ~ \.(?:css|js|svg|gif|png|jpg|ico|wasm|tflite|map)$ {
+        try_files $uri /index.php$request_uri;
+        add_header Cache-Control "public, max-age=15778463, $asset_immutable";
+        access_log off;     # Optional: Don't log access to assets
+
+        location ~ \.wasm$ {
+            default_type application/wasm;
+        }
+    }
+
+    location ~ \.woff2?$ {
+        try_files $uri /index.php$request_uri;
+        expires 7d;         # Cache-Control policy borrowed from `.htaccess`
+        access_log off;     # Optional: Don't log access to assets
+    }
+
+    # Rule borrowed from `.htaccess`
+    location /remote {
+        return 301 /remote.php$request_uri;
+    }
+
+   location /push/ {
+       proxy_pass http://nextcloud-notify-push/;
+       proxy_http_version 1.1;
+       proxy_set_header Upgrade $http_upgrade;
+       proxy_set_header Connection "Upgrade";
+       proxy_set_header Host $host;
+       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    }
+
+    location / {
+        try_files $uri $uri/ /index.php$request_uri;
+    }
+}

roles/webserver/templates/conf.d/twirling.conf.j2

@@ -0,0 +1,27 @@
+## Managed by Ansible ##
+
+server {
+    listen 80 default_server;
+    listen [::]:80 default_server;
+    server_name {{ webserver_domain }} www.{{ webserver_domain }};
+    # enforce https
+    return 301 https://$server_name$request_uri;
+}
+
+server {
+    # Enable HTTP/2
+    listen 443 ssl http2 default_server;
+    listen [::]:443 ssl http2 default_server;
+    server_name {{ webserver_domain }} www.{{ webserver_domain }};
+
+    include global/cert.conf;
+    include global/header.conf;
+
+    add_header Strict-Transport-Security "max-age=63072000" always;
+
+    # deny access and return teapot
+    location / {
+        deny all;
+        return 418;
+    }
+}

roles/webserver/templates/header.conf.j2

@@ -0,0 +1,57 @@
+## Managed by Ansible ##
+
+# Add headers to serve security related headers
+# Before enabling Strict-Transport-Security headers please read into this
+# topic first.
+# add_header Strict-Transport-Security "max-age=15768000;
+# includeSubDomains; preload;";
+#
+# WARNING: Only add the preload option once you read about
+# the consequences in https://hstspreload.org/. This option
+# will add the domain to a hardcoded list that is shipped
+# in all major browsers and getting removed from this list
+# could take several months.
+#add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload";
+#add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;
+
+# config to don't allow the browser to render the page inside an frame or iframe
+# and avoid clickjacking http://en.wikipedia.org/wiki/Clickjacking
+# if you need to allow [i]frames, you can use SAMEORIGIN or even set an uri with ALLOW-FROM uri
+# https://developer.mozilla.org/en-US/docs/HTTP/X-Frame-Options
+#add_header X-Frame-Options SAMEORIGIN;
+add_header X-Frame-Options "SAMEORIGIN" always;
+
+# when serving user-supplied content, include a X-Content-Type-Options: nosniff header along with the Content-Type: header,
+# to disable content-type sniffing on some browsers.
+# https://www.owasp.org/index.php/List_of_useful_HTTP_headers
+# currently suppoorted in IE > 8 http://blogs.msdn.com/b/ie/archive/2008/09/02/ie8-security-part-vi-beta-2-update.aspx
+# http://msdn.microsoft.com/en-us/library/ie/gg622941(v=vs.85).aspx
+# 'soon' on Firefox https://bugzilla.mozilla.org/show_bug.cgi?id=471020
+#add_header X-Content-Type-Options nosniff;
+add_header X-Content-Type-Options "nosniff" always;
+
+# This header enables the Cross-site scripting (XSS) filter built into most recent web browsers.
+# It's usually enabled by default anyway, so the role of this header is to re-enable the filter for
+# this particular website if it was disabled by the user.
+# https://www.owasp.org/index.php/List_of_useful_HTTP_headers
+#add_header X-XSS-Protection "1; mode=block";
+add_header X-XSS-Protection "1; mode=block" always;
+
+# with Content Security Policy (CSP) enabled(and a browser that supports it(http://caniuse.com/#feat=contentsecuritypolicy),
+# you can tell the browser that it can only download content from the domains you explicitly allow
+# http://www.html5rocks.com/en/tutorials/security/content-security-policy/
+# https://www.owasp.org/index.php/Content_Security_Policy
+# I need to change our application code so we can increase security by disabling 'unsafe-inline' 'unsafe-eval'
+# directives for css and js(if you have inline css or js, you will need to keep it too).
+# more: http://www.html5rocks.com/en/tutorials/security/content-security-policy/#inline-code-considered-harmful
+#add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; font-src 'self'; object-src to 'none'; frame-ancestors 'self' https://*.twirling.de https://twirling.de";
+
+#add_header Referrer-Policy no-referrer;
+add_header Referrer-Policy "no-referrer" always;
+
+add_header Feature-Policy "accelerometer 'none'; autoplay 'self'; geolocation 'self'; midi 'none'; notifications 'self'; push 'self'; sync-xhr 'self' https://*.twirling.de; microphone 'self'; camera 'self'; magnetometer 'none'; gyroscope 'none'; speaker 'self'; vibrate 'self'; fullscreen 'self'; payment 'none'; usb 'none'";
+add_header Permissions-Policy "geolocation=(self);midi=();notifications=(self);push=(self);sync-xhr=(self 'https://*.twirling.de');microphone=(self);camera=(self);magnetometer=();gyroscope=();speaker=(self);vibrate=();fullscreen=(self);payment=()";
+
+# Add Alt-Svc header to negotiate HTTP/3.
+#add_header Alt-Svc 'quic=":443"'; # Advertise that QUIC is available
+#add_header QUIC-Status $quic;     # Sent when QUIC was used

roles/webserver/templates/nginx.conf.j2

@@ -0,0 +1,79 @@
+## Managed by Ansible ##
+
+user  {{ webserver_user }};
+pid        /var/run/nginx.pid;
+error_log  /var/log/nginx/error.log warn;
+
+# you must set worker processes based on your CPU cores, nginx does not benefit from setting more than that
+worker_processes {{ webserver_nginx_worker_processes }};
+
+# number of file descriptors used for nginx
+# the limit for the maximum FDs on the server is usually set by the OS.
+# if you don't set FD's then OS settings will be used which is by default 2000
+worker_rlimit_nofile {{ webserver_nginx_worker_rlimit_nofile }};
+
+# only log critical errors
+error_log /var/log/nginx/error.log crit;
+
+# provides the configuration file context in which the directives that affect connection processing are specified.
+events {
+    # determines how much clients will be served per worker
+    # max clients = worker_connections * worker_processes
+    # max clients is also limited by the number of socket connections available on the system (~64k)
+    worker_connections 8192;
+    # optmized to serve many clients with each thread, essential for linux -- for testing environment
+    use epoll;
+
+    # accept as many connections as possible, may flood worker connections if set too low -- for testing environment
+    multi_accept on;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                        '$status $body_bytes_sent "$http_referer" '
+                        '$request_time $upstream_response_time $ssl_protocol '
+                        '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile on;
+    aio threads;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout  65;
+    reset_timedout_connection on;
+
+    # reduce the data that needs to be sent over network -- for testing environment
+    gzip on;
+    # gzip_static on;
+    gzip_min_length 10240;
+    gzip_comp_level 1;
+    gzip_vary on;
+    gzip_disable msie6;
+    gzip_proxied expired no-cache no-store private auth;
+    gzip_types
+        # text/html is always compressed by HttpGzipModule
+        text/css
+        text/javascript
+        text/xml
+        text/plain
+        text/x-component
+        application/javascript
+        application/x-javascript
+        application/json
+        application/xml
+        application/rss+xml
+        application/atom+xml
+        font/truetype
+        font/opentype
+        application/vnd.ms-fontobject
+        image/svg+xml;
+
+    include /etc/nginx/conf.d/*.conf;
+    include /etc/nginx/global/*.conf;
+
+    server_tokens off;
+}

roles/webserver/templates/nginx_systemd.conf.j2

@@ -0,0 +1,3 @@
+# Raise the nofile/max open files/file descriptors/file handles limit for nginx
+[Service]
+LimitNOFILE=30000

roles/webserver/templates/php_optimization.j2

@@ -0,0 +1,9 @@
+## Managed by Ansible ##
+
+fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+fastcgi_param PATH_INFO $path_info;
+fastcgi_param HTTPS on;
+fastcgi_param modHeadersAvailable true;
+fastcgi_param front_controller_active true;
+fastcgi_intercept_errors on;
+fastcgi_request_buffering off;

roles/webserver/templates/proxy.conf.j2

@@ -0,0 +1,15 @@
+## Managed by Ansible ##
+
+proxy_hide_header X-Powered-By;
+proxy_set_header Early-Data $ssl_early_data;
+proxy_set_header Host $host;
+proxy_set_header X-Real-IP $remote_addr;
+proxy_set_header X-Forwarded-Host $host;
+proxy_set_header X-Forwarded-Proto $scheme;
+proxy_set_header X-Forwarded-Protocol $scheme;
+proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+proxy_set_header X-Forwarded-Port $server_port;
+proxy_set_header X-Forwarded-Server $host;
+proxy_redirect off;
+proxy_headers_hash_max_size 1024;
+proxy_headers_hash_bucket_size 128;

roles/webserver/templates/rclone.conf.j2

@@ -0,0 +1,3 @@
+## Managed by Ansible ##
+
+{{ DTSV_GD_service_account_remote }}

roles/webserver/vars/main.yml

@@ -0,0 +1,60 @@
+---
+# Volume
+hcloud_webserver_volume_name: "WEB"
+hcloud_webserver_volume_path: "/mnt/web"
+
+# Dependency variables
+# php_old_version: "8.1"
+php_version: "8.1"
+php_modules:
+  - "fpm"
+  - "common"
+  - "curl"
+  - "gd"
+  - "gmp"
+  - "intl"
+  - "mbstring"
+  - "xml"
+  - "zip"
+  - "bz2"
+  - "bcmath"
+  - "imagick"
+  - "smbclient"
+  - "opcache"
+  - "apcu"
+  - "redis"
+  - "pgsql"
+
+# Main
+webserver_user: "www-data"
+webserver_group: "www-data"
+webserver_domain: "twirling.de"
+
+# Nginx
+webserver_nginx_cert_path: "/etc/nginx/ssl/{{ webserver_domain }}"
+webserver_nginx_worker_processes: "auto"
+webserver_nginx_worker_rlimit_nofile: "100000"
+
+# PHP
+php_fpm_ini_options:
+  - {option: post_max_size, value: 512M}
+  - {option: upload_max_filesize, value: 512M}
+  - {option: memory_limit, value: 512M}
+  - {section: opcache, option: opcache.enable, value: 1}
+  - {section: opcache, option: opcache.interned_strings_buffer, value: 32}
+  - {section: opcache, option: opcache.max_accelerated_files, value: 10000}
+  - {section: opcache, option: opcache.memory_consumption, value: 256}
+  - {section: opcache, option: opcache.save_comments, value: 1}
+  - {section: opcache, option: opcache.revalidate_freq, value: 1}
+  - {section: opcache, option: opcache.validate_timestamps, value: 0}
+  - {section: redis, option: redis.session.locking_enabled, value: 1}
+  - {section: redis, option: redis.session.lock_retries, value: -1}
+  - {section: redis, option: redis.session.lock_wait_time, value: 10000}
+
+php_fpm_pool_options:
+  - {option: pm, value: dynamic}
+  - {option: pm.max_children, value: 60}
+  - {option: pm.start_servers, value: 20}
+  - {option: pm.min_spare_servers, value: 10}
+  - {option: pm.max_spare_servers, value: 30}
+  - {option: pm.max_requests, value: 1000}