$ substreams-sink-websockets --help
Usage: substreams-sink-websockets [options]
Substreams Sink Websockets
Options:
--public-key <string> (required) Ed25519 public key (env: PUBLIC_KEY)
--port <int> Server listen on HTTP port (default: 3000, env: PORT)
--hostname <string> Server listen on HTTP hostname (default: "0.0.0.0", env: HOSTNAME)
--sqlite-filename <string> SQLite database filename (default: "db.sqlite", env: SQLITE_FILENAME)
--verbose <boolean> Enable verbose logging (default: false, env: VERBOSE)
-V, --version output the version number
-h, --help display help for command
