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slug: /command-line

Command Line

:::tip

Apache Answer binary support some command-line options

:::

Usage

answer command [command or global options] [arguments...]

To run answer, use:
        - 'answer init' to initialize the required environment.
        - 'answer run' to launch the application.
        - 'answer upgrade' to upgrade the application

Usage:
  answer [command]

Available Commands:
  build       used to build answer with plugins
  check       checking the required environment
  dump        back up data
  help        Help about any command
  init        init answer application
  plugin      prints all plugins packed in the binary
  run         Run the application
  upgrade     upgrade Apache Answer version

Flags:
  -C, --data-path string   data path, eg: -C ./data/ (default "/data/")
  -h, --help               help for answer
  -v, --version            version for answer

Use "answer [command] --help" for more information about a command.

Global options

All global options can be placed at the command level.

• --help, -h: Show help text and exit. Optional.
• --version, -v: Show version and exit. Optional.
• --data-path path, -C path: data saved path. Optional. (default: /data/)

Commands

init

init command will initialize the application required environment, contains: default config-file, data directory, initialize database etc.

• Examples
  • answer init -C ./data/
• Notes
  • if answer already initialized, this command will not be executed. For example, if config file is already exist so it will not be created or overwritten.
  • if answer initialized failed, run command can not be executed.

check

check command will check the application whether it can run or not. check the config file if exist. check the database if connection can be established etc.

• Examples
  • answer check -C ./data/

run

run command will run the application.

• Examples
  • answer run -C ./data/

upgrade

upgrade command will upgrade the application.

• Options
  • -f version: Upgrade from the specified version. Optional.
• Examples
  • answer upgrade -C ./data/
  • answer upgrade -f v1.1.0 -C ./data/

dump

dump command will dump the database data to sql file.

• Options
  • --path path, -p path: dump data path. Optional. (default: ./)
• Examples
  • answer dump -p /tmp/

build

build a new Apache Answer with plugins.

• Options
  • --with the field name of plugin. Required.
• Examples
  • answer build --with plugin1 --with plugin2

plugin

prints all plugins packed in the binary.

• Examples
  • answer plugin

config

restore some config value to default.

• Options
  • --with the field name of config. Required.
• Examples
  • answer config -C ./data/ --with allow_password_login