heroku logs
July 1, 2026 ยท View on GitHub
display recent log output
heroku logs
display recent log output
USAGE
$ heroku logs -a <value> [--prompt] [-d <value>] [--force-colors] [-n <value>] [-p <value>] [-r <value>]
[-s <value>] [-t]
FLAGS
-a, --app=<value> (required) app to run command against
-d, --dyno-name=<value> only show output from this dyno (such as "web-123-456" or "worker.2")
-n, --num=<value> number of lines to display (ignored for Fir generation apps)
-p, --process-type=<value> only show output from this process type (such as "web" or "worker")
-r, --remote=<value> git remote of app to use
-s, --source=<value> only show output from this source (such as "app" or "heroku")
-t, --tail continually stream logs (always enabled for Fir-generation apps)
--force-colors
GLOBAL FLAGS
--prompt interactively prompt for command arguments and flags
DESCRIPTION
display recent log output
disable colors with --no-color, HEROKU_LOGS_COLOR=0, or HEROKU_COLOR=0
EXAMPLES
$ heroku logs --app=my-app
$ heroku logs --num=50 --app=my-app
$ heroku logs --dyno-name=web-123-456 --app=my-app
$ heroku logs --process-type=web --app=my-app
$ heroku logs --app=my-app --tail
See code: src/commands/logs.ts