Hi there, I faced into the command fuel-indexer --help gives the output:
>>> fuel-indexer --help
fuel-indexer 0.15.0
Fuel Indexer service
USAGE:
fuel-indexer <SUBCOMMAND>
OPTIONS:
-h, --help Print help information
-V, --version Print version information
SUBCOMMANDS:
help Print this message or the help of the given subcommand(s)
run Standalone binary for the fuel indexer service.
But in the docs, we have more extended answer 
Standalone binary for the fuel indexer service.
USAGE:
fuel-indexer run [OPTIONS]
OPTIONS:
--auth-enabled
Require users to authenticate for some operations.
--auth-strategy <AUTH_STRATEGY>
Authentication scheme used.
-c, --config <FILE>
Indexer service config file.
--database <DATABASE>
Database type. [default: postgres] [possible values: postgres]
--embedded-database
Automatically create and start database using provided options or defaults.
--fuel-node-host <FUEL_NODE_HOST>
Host of the running Fuel node. [default: localhost]
--fuel-node-port <FUEL_NODE_PORT>
Listening port of the running Fuel node. [default: 4000]
--graphql-api-host <GRAPHQL_API_HOST>
GraphQL API host. [default: localhost]
--graphql-api-port <GRAPHQL_API_PORT>
GraphQL API port. [default: 29987]
-h, --help
Print help information
--indexer-handler-timeout <INDEXER_HANDLER_TIMEOUT>
Maximum length of time (in seconds) that an indexer's event handler can run before timing out. [default: 2]
--indexer-net-config
Allow network configuration via indexer manifests.
--jwt-expiry <JWT_EXPIRY>
Amount of time (seconds) before expiring token (if JWT scheme is specified).
--jwt-issuer <JWT_ISSUER>
Issuer of JWT claims (if JWT scheme is specified).
--jwt-secret <JWT_SECRET>
Secret used for JWT scheme (if JWT scheme is specified).
--local-fuel-node
Start a local Fuel node.
--log-level <LOG_LEVEL>
Log level passed to the Fuel Indexer service. [default: info] [possible values: info,
debug, error, warn]
-m, --manifest <FILE>
Indexer config file.
--max-body-size <MAX_BODY_SIZE>
Max body size for GraphQL API requests. [default: 5242880]
--metrics
Use Prometheus metrics reporting.
--postgres-database <POSTGRES_DATABASE>
Postgres database.
--postgres-host <POSTGRES_HOST>
Postgres host.
--postgres-password <POSTGRES_PASSWORD>
Postgres password.
--postgres-port <POSTGRES_PORT>
Postgres port.
--postgres-user <POSTGRES_USER>
Postgres username.
--rate-limit
Enable rate limiting.
--rate-limit-rps <RATE_LIMIT_RPS>
Maximum number of requests to allow over --rate-limit-window.
--rate-limit-window <RATE_LIMIT_WINDOW_SIZE>
Number of seconds over which to allow --rate-limit-rps.
--run-migrations
Run database migrations before starting service.
--stop-idle-indexers
Prevent indexers from running without handling any blocks.
-v, --verbose
Enable verbose logging.
-V, --version
Print version information