lemmy/config/defaults.hjson

{
  # settings related to the postgresql database
  database: {
    # Configure the database by specifying a URI
    # 
    # This is the preferred method to specify database connection details since
    # it is the most flexible.
    # Connection URI pointing to a postgres instance
    # 
    # This example uses peer authentication to obviate the need for creating,
    # configuring, and managing passwords.
    # 
    # For an explanation of how to use connection URIs, see [here][0] in
    # PostgreSQL's documentation.
    # 
    # [0]: https://www.postgresql.org/docs/current/libpq-connect.html#id-1.7.3.8.3.6
    uri: "postgresql:///lemmy?user=lemmy&host=/var/run/postgresql"

    # or

    # Configure the database by specifying parts of a URI
    # 
    # Note that specifying the `uri` field should be preferred since it provides
    # greater control over how the connection is made. This merely exists for
    # backwards-compatibility.
    # Username to connect to postgres
    user: "string"
    # Password to connect to postgres
    password: "string"
    # Host where postgres is running
    host: "string"
    # Port where postgres can be accessed
    port: 123
    # Name of the postgres database for lemmy
    database: "string"
    # Maximum number of active sql connections
    pool_size: 95
  }
  # Settings related to activitypub federation
  # Pictrs image server configuration.
  pictrs: {
    # Address where pictrs is available (for image hosting)
    url: "http://localhost:8080/"
    # Set a custom pictrs API key. ( Required for deleting images )
    api_key: "string"
    # By default the thumbnails for external links are stored in pict-rs. This ensures that they
    # can be reliably retrieved and can be resized using pict-rs APIs. However it also increases
    # storage usage. In case this is disabled, the Opengraph image is directly returned as
    # thumbnail.
    # 
    # In some countries it is forbidden to copy preview images from newspaper articles and only
    # hotlinking is allowed. If that is the case for your instance, make sure that this setting is
    # disabled.
    cache_external_link_previews: true
    # Timeout for uploading images to pictrs (in seconds)
    upload_timeout: 30
  }
  # Email sending configuration. All options except login/password are mandatory
  email: {
    # Hostname and port of the smtp server
    smtp_server: "localhost:25"
    # Login name for smtp server
    smtp_login: "string"
    # Password to login to the smtp server
    smtp_password: "string"
    # Address to send emails from, eg "noreply@your-instance.com"
    smtp_from_address: "noreply@example.com"
    # Whether or not smtp connections should use tls. Can be none, tls, or starttls
    tls_type: "none"
  }
  # Parameters for automatic configuration of new instance (only used at first start)
  setup: {
    # Username for the admin user
    admin_username: "admin"
    # Password for the admin user. It must be between 10 and 60 characters.
    admin_password: "tf6HHDS4RolWfFhk4Rq9"
    # Name of the site, can be changed later. Maximum 20 characters.
    site_name: "My Lemmy Instance"
    # Email for the admin user (optional, can be omitted and set later through the website)
    admin_email: "user@example.com"
  }
  # the domain name of your instance (mandatory)
  hostname: "unset"
  # Address where lemmy should listen for incoming requests
  bind: "0.0.0.0"
  # Port where lemmy should listen for incoming requests
  port: 8536
  # Whether the site is available over TLS. Needs to be true for federation to work.
  tls_enabled: true
  # The number of activitypub federation workers that can be in-flight concurrently
  worker_count: 0
  # The number of activitypub federation retry workers that can be in-flight concurrently
  retry_count: 0
  prometheus: {
    bind: "127.0.0.1"
    port: 10002
  }
  # Sets a response Access-Control-Allow-Origin CORS header
  # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin
  cors_origin: "*"
}