annotate sites/default/default.services.yml @ 19:fa3358dc1485 tip

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parameters:
  session.storage.options:
    # Default ini options for sessions.
    #
    # Some distributions of Linux (most notably Debian) ship their PHP
    # installations with garbage collection (gc) disabled. Since Drupal depends
    # on PHP's garbage collection for clearing sessions, ensure that garbage
    # collection occurs by using the most common settings.
    # @default 1
    gc_probability: 1
    # @default 100
    gc_divisor: 100
    #
    # Set session lifetime (in seconds), i.e. the time from the user's last
    # visit to the active session may be deleted by the session garbage
    # collector. When a session is deleted, authenticated users are logged out,
    # and the contents of the user's $_SESSION variable is discarded.
    # @default 200000
    gc_maxlifetime: 200000
    #
    # Set session cookie lifetime (in seconds), i.e. the time from the session
    # is created to the cookie expires, i.e. when the browser is expected to
    # discard the cookie. The value 0 means "until the browser is closed".
    # @default 2000000
    cookie_lifetime: 2000000
    #
    # Drupal automatically generates a unique session cookie name based on the
    # full domain name used to access the site. This mechanism is sufficient
    # for most use-cases, including multi-site deployments. However, if it is
    # desired that a session can be reused across different subdomains, the
    # cookie domain needs to be set to the shared base domain. Doing so assures
    # that users remain logged in as they cross between various subdomains.
    # To maximize compatibility and normalize the behavior across user agents,
    # the cookie domain should start with a dot.
    #
    # @default none
    # cookie_domain: '.example.com'
    #
  twig.config:
    # Twig debugging:
    #
    # When debugging is enabled:
    # - The markup of each Twig template is surrounded by HTML comments that
    #   contain theming information, such as template file name suggestions.
    # - Note that this debugging markup will cause automated tests that directly
    #   check rendered HTML to fail. When running automated tests, 'debug'
    #   should be set to FALSE.
    # - The dump() function can be used in Twig templates to output information
    #   about template variables.
    # - Twig templates are automatically recompiled whenever the source code
    #   changes (see auto_reload below).
    #
    # For more information about debugging Twig templates, see
    # https://www.drupal.org/node/1906392.
    #
    # Not recommended in production environments
    # @default false
    debug: false
    # Twig auto-reload:
    #
    # Automatically recompile Twig templates whenever the source code changes.
    # If you don't provide a value for auto_reload, it will be determined
    # based on the value of debug.
    #
    # Not recommended in production environments
    # @default null
    auto_reload: null
    # Twig cache:
    #
    # By default, Twig templates will be compiled and stored in the filesystem
    # to increase performance. Disabling the Twig cache will recompile the
    # templates from source each time they are used. In most cases the
    # auto_reload setting above should be enabled rather than disabling the
    # Twig cache.
    #
    # Not recommended in production environments
    # @default true
    cache: true
  renderer.config:
    # Renderer required cache contexts:
    #
    # The Renderer will automatically associate these cache contexts with every
    # render array, hence varying every render array by these cache contexts.
    #
    # @default ['languages:language_interface', 'theme', 'user.permissions']
    required_cache_contexts: ['languages:language_interface', 'theme', 'user.permissions']
    # Renderer automatic placeholdering conditions:
    #
    # Drupal allows portions of the page to be automatically deferred when
    # rendering to improve cache performance. That is especially helpful for
    # cache contexts that vary widely, such as the active user. On some sites
    # those may be different, however, such as sites with only a handful of
    # users. If you know what the high-cardinality cache contexts are for your
    # site, specify those here. If you're not sure, the defaults are fairly safe
    # in general.
    #
    # For more information about rendering optimizations see
    # https://www.drupal.org/developing/api/8/render/arrays/cacheability#optimizing
    auto_placeholder_conditions:
      # Max-age at or below which caching is not considered worthwhile.
      #
      # Disable by setting to -1.
      #
      # @default 0
      max-age: 0
      # Cache contexts with a high cardinality.
      #
      # Disable by setting to [].
      #
      # @default ['session', 'user']
      contexts: ['session', 'user']
      # Tags with a high invalidation frequency.
      #
      # Disable by setting to [].
      #
      # @default []
      tags: []
  # Cacheability debugging:
  #
  # Responses with cacheability metadata (CacheableResponseInterface instances)
  # get X-Drupal-Cache-Tags and X-Drupal-Cache-Contexts headers.
  #
  # For more information about debugging cacheable responses, see
  # https://www.drupal.org/developing/api/8/response/cacheable-response-interface
  #
  # Not recommended in production environments
  # @default false
  http.response.debug_cacheability_headers: false
  factory.keyvalue:
    {}
    # Default key/value storage service to use.
    # @default keyvalue.database
    # default: keyvalue.database
    # Collection-specific overrides.
    # state: keyvalue.database
  factory.keyvalue.expirable:
    {}
    # Default key/value expirable storage service to use.
    # @default keyvalue.database.expirable
    # default: keyvalue.database.expirable
  # Allowed protocols for URL generation.
  filter_protocols:
    - http
    - https
    - ftp
    - news
    - nntp
    - tel
    - telnet
    - mailto
    - irc
    - ssh
    - sftp
    - webcal
    - rtsp

   # Configure Cross-Site HTTP requests (CORS).
   # Read https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS
   # for more information about the topic in general.
   # Note: By default the configuration is disabled.
  cors.config:
    enabled: false
    # Specify allowed headers, like 'x-allowed-header'.
    allowedHeaders: []
    # Specify allowed request methods, specify ['*'] to allow all possible ones.
    allowedMethods: []
    # Configure requests allowed from specific origins.
    allowedOrigins: ['*']
    # Sets the Access-Control-Expose-Headers header.
    exposedHeaders: false
    # Sets the Access-Control-Max-Age header.
    maxAge: false
    # Sets the Access-Control-Allow-Credentials header.
    supportsCredentials: false