Ruby options:¶

-e, --eval LINE

evaluate a LINE of code

-d, --debug

set debugging flags (set $DEBUG to true)

-w, --warn

turn warnings on for your script

-q, --quiet

turn off logging

-I, --include PATH

specify $LOAD_PATH (may be used more than once)

-r, --require LIBRARY

require the library, before executing your script

Rack options:¶

-b BUILDER_LINE,

evaluate a BUILDER_LINE of code as a builder script

--builder

-s, --server SERVER

serve using SERVER (thin/puma/webrick)

-o, --host HOST

listen on HOST (default: localhost)

-p, --port PORT

use PORT (default: 9292)

-O NAME[=VALUE],

pass VALUE to the server as option NAME. If no VALUE, sets it to true. Run 'bin/rackup -s SERVER -h' to get a list of options for SERVER

--option

-E, --env ENVIRONMENT

use ENVIRONMENT for defaults (default: development)

-D, --daemonize

run daemonized in the background

--daemonize-noclose

run daemonized in the background without closing stdout/stderr

-P, --pid FILE

file to store PID

Profiling options:¶

--heap HEAPFILE

Build the application, then dump the heap to HEAPFILE

--profile PROFILE

Dump CPU or Memory profile to PROFILE (defaults to a tempfile)

--profile-mode MODE

Profile mode (cpu|wall|object)

Common options:¶

-h, -?, --help

Show this message

--version

Show version