litefs.yml

# This directory is where your application will access the database.
fuse:
  dir: "/mnt/dbs"

# This directory is where LiteFS will store internal data.
# You must place this directory on a persistent volume.
data:
  dir: "/mnt/litefs"

# If true, then LiteFS will not exit if there is a validation
# issue on startup. This can be useful for debugging issues as
# it avoids constantly restarting the node on ephemeral hosting.
exit-on-error: false

lease:
  type: "consul"

  # Specifies if this node can become primary. The expression below evaluates
  # to true on nodes that are run in the primary region. Nodes in other regions
  # act as non-candidate, read-only replicas.
  candidate: ${FLY_REGION == PRIMARY_REGION}

  # If true, then the node will automatically become primary after it has
  # connected with the cluster and sync'd up. This makes it easier to run
  # migrations on start up.
  promote: true

  # The API URL that other nodes will use to connect to this node.
  advertise-url: "http://${FLY_ALLOC_ID}.vm.${FLY_APP_NAME}.internal:20202"

  consul:
    # The URL of the Consul cluster.
    url: "${FLY_CONSUL_URL}"

    # A unique key shared by all nodes in the LiteFS cluster.
    # Change this if you are running multiple clusters in a single app!
    key: "${FLY_APP_NAME}/primary"

exec:
  # Only run migrations on candidate nodes.
  # - cmd: "rails db:migrate"
  #   if-candidate: true

  # Then run the application server on all nodes.
  - cmd: "/query-server"

proxy:
  # Specifies the bind address of the proxy server.
  addr: ":8080"

  # The hostport of the target application. If blank, proxy is disabled.
  target: "localhost:3000"

  # The name of the database used for TXID tracking.
  db: "txid.db"

  # If true, enables verbose logging of requests by the proxy.
  debug: false

  # List of paths that are ignored by the proxy. The asterisk is
  # the only available wildcard. These requests are passed
  # through to the target as-is.
  passthrough: ["/debug/*", "*.png"]