Cheatography
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App Commands
create app |
dokku apps:create <name>
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clone some app |
dokku apps:clone <name>
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destroy app |
dokku apps:destroy <name>
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list existing apps |
dokku apps:list
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rename app |
dokku apps:rename <name>
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get report for app |
dokku apps:report <name>
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Process managment
list process inside container |
dokku ps:report <name>
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rebuild container |
dokku ps:rebuild <name>
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restart process inside container |
dokku ps:restart <name>
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scale process inside container |
ps:scale <name> <proc>=<count> [<proc>=<count>]
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rename app |
dokku apps:rename <name>
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get report for app |
dokku apps:report <name>
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SCALING
Dokku allows you to run multiple process types at different container counts. For example, if you had an app that contained 1 web app listener and 1 background job processor, dokku can, spin up 1 container for each process type defined in the Procfile. By default, dokku will only start a single web process (if defined.) However, if you wanted, for example, 2 job processors running simultaneously, you can modify this behavior in one of the following ways.
proxy NGINX and ports configuration
enable proxy for app |
dokku proxy:enable <app>
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disable proxy |
dokku proxy:disable <app>
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show proxy status for app |
dokku proxy:report <app>
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list proxy ports |
dokku proxy:ports <app>
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add proxy port |
dokku proxy:ports-add <app> <scheme|http>:<host-port|80>:<container-port|5000>
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remove proxy port |
dokku proxy:ports-remove <app> <scheme|http>:<host-port|80>:<container-port|5000>
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clear ports |
dokku proxy:ports-clear <app>
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Dokku will extract all tcp ports exposed using the EXPOSE
FROM ubuntu:14.04
EXPOSE 1234
RUN python -m SimpleHTTPServer 1234
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Logs,info and ENV
get report for app |
dokku apps:report [<app>]
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get logs |
dokku logs <name>
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set env variable |
dokku config:set [--no-restart] <name> <VARIABLE>=<VALUE>
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remove env variable |
dokku config:unset [--no-restart] <name> <VARIABLE>=<VALUE>
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get DB info |
dokku postgres:info <name>
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get proxy/ports info |
dokku proxy:ports <name>
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know proxy is enable |
dokku proxy:report <name>
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get NGINX errors |
dokku nginx:error-logs <name>
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Postgres integration
create db |
dokku postgres:create <name>
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link db to app |
dokku postgres:link <db-name> <app-name>
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list db's |
dokku postgres:list
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connect via psql |
dokku postgres:connect <name>
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expose port for external connection |
dokku postgres:expose <name>
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export dump |
dokku postgres:export <name> > <file>
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destroy db |
dokku postgres:destroy <name>
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get info for db |
dokku postgres:info <name>
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other commands
upload public key |
cat /home/<user>/.ssh/<public-key>.pub | ssh <user>@<ip> "sudo sshcommand acl-add dokku <key-name>"
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execute command inside docker container |
dokku --rm run <name> <command:python|node|npm|> [args]
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useful links
dokku plugins |
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CD gitlab |
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useful dokku ports plugin |
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