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PROGRAM:
NAME
foreman - manage Procfile-based applications
SYNOPSIS
foreman start [process]
foreman run <command>
foreman export <format> [location]
DESCRIPTION
Foreman is a manager for Procfile-based applications. Its aim is to abstract away the
details of the Procfile format, and allow you to either run your application directly or
export it to some other process management format.
RUNNING
foreman start is used to run your application directly from the command line.
If no additional parameters are passed, foreman will run one instance of each type of
process defined in your Procfile.
If a parameter is passed, foreman will run one instance of the specified application type.
The following options control how the application is run:
-c, --concurrency
Specify the number of each process type to run. The value passed in should be in
the format process=num,process=num
-e, --env
Specify one or more .env files to load
-f, --procfile
Specify an alternate Procfile to load, implies -d at the Procfile root.
-p, --port
Specify which port to use as the base for this application. Should be a multiple of
1000.
-t, --timeout
Specify the amount of time (in seconds) processes have to shutdown gracefully
before receiving a SIGKILL, defaults to 5.
foreman run is used to run one-off commands using the same environment as your defined
processes.
EXPORTING
foreman export is used to export your application to another process management format.
An location to export can be passed as an argument. This argument may be either required
or optional depending on the export format.
The following options control how the application is run:
-a, --app
Use this name rather than the application´s root directory name as the name of the
application when exporting.
-c, --concurrency
Specify the number of each process type to run. The value passed in should be in
the format process=num,process=num
-l, --log
Specify the directory to place process logs in.
-p, --port
Specify which port to use as the base for this application. Should be a multiple of
1000.
-t, --template
Specify an alternate template to use for creating export files. See
https://github.com/ddollar/foreman/tree/master/data/export for examples.
-u, --user
Specify the user the application should be run as. Defaults to the app name
GLOBAL OPTIONS
These options control all modes of foreman´s operation.
-d, --root
Specify an alternate application root. This defaults to the directory containing
the Procfile.
-e, --env
Specify an alternate environment file. You can specify more than one file by using:
--env file1,file2.
-f, --procfile
Specify an alternate location for the application´s Procfile. This file´s
containing directory will be assumed to be the root directory of the application.
EXPORT FORMATS
foreman currently supports the following output formats:
· bluepill
· inittab
· launchd
· runit
· supervisord
· systemd
· upstart
INITTAB EXPORT
Will export a chunk of inittab-compatible configuration:
# ----- foreman example processes -----
EX01:4:respawn:/bin/su - example -c ´PORT=5000 bundle exec thin start >> /var/log/web-1.log 2>&1´
EX02:4:respawn:/bin/su - example -c ´PORT=5100 bundle exec rake jobs:work >> /var/log/job-1.log 2>&1´
# ----- end foreman example processes -----
SYSTEMD EXPORT
Will create a series of systemd scripts in the location you specify. Scripts will be
structured to make the following commands valid:
systemctl start appname.target
systemctl stop appname-processname.target
systemctl restart appname-processname-3.service
UPSTART EXPORT
Will create a series of upstart scripts in the location you specify. Scripts will be
structured to make the following commands valid:
start appname
stop appname-processname
restart appname-processname-3
PROCFILE
A Procfile should contain both a name for the process and the command used to run it.
web: bundle exec thin start
job: bundle exec rake jobs:work
A process name may contain letters, numbers and the underscore character. You can validate
your Procfile format using the check command:
$ foreman check
ENVIRONMENT
If a .env file exists in the current directory, the default environment will be read from
it. This file should contain key/value pairs, separated by =, with one key/value pair per
line.
FOO=bar
BAZ=qux
DEFAULT OPTIONS
If a .foreman file exists in the current directory, default options will be read from it.
This file should be in YAML format with the long option name as keys. Example:
concurrency: alpha=0,bravo=1
port: 15000
EXAMPLES
Start one instance of each process type, interleave the output on stdout:
$ foreman start
Export the application in upstart format:
$ foreman export upstart /etc/init
Run one process type from the application defined in a specific Procfile:
$ foreman start alpha -f ~/myapp/Procfile
Start all processes except the one named worker:
$ foreman start -c all=1,worker=0
COPYRIGHT
Foreman is Copyright (C) 2010 David Dollar http://daviddollar.org
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