envconfig provides a function to get config objects from environment variables. envconfig is inspired by Go envconfig.
Table of contents
nimble install envconfigExample that setting environment variables with shell.
export MYAPP_NAME=envconfig
export MYAPP_VERSION=v1.0.0
export MYAPP_DIR=/opt/envconfig
export MYAPP_PORT=1234
export MYAPP_DEV=trueimport envconfig
type
MyApp = object
name, version, dir: string
port: int
dev: bool
let config = getEnvConfig(MyApp)
echo "MYAPP_NAME: " & config.name # envconfig
echo "MYAPP_VERSION: " & config.version # v1.0.0
echo "MYAPP_DIR: " & config.dir # /opt/envconfig
echo "MYAPP_PORT: " & $config.port # 1234
echo "MYAPP_DEV: " & $config.dev # trueExample that setting environment variables with Nim.
import envconfig
from os import putEnv
type
MyApp = object
name, version, dir: string
port: int
dev: bool
putEnv("MYAPP_NAME", "envconfig")
putEnv("MYAPP_VERSION", "v1.0.0")
putEnv("MYAPP_DIR", "/opt/envconfig")
putEnv("MYAPP_PORT", "1234")
putEnv("MYAPP_DEV", "true")
let config = getEnvConfig(MyApp)
echo "MYAPP_NAME: " & config.name # envconfig
echo "MYAPP_VERSION: " & config.version # v1.0.0
echo "MYAPP_DIR: " & config.dir # /opt/envconfig
echo "MYAPP_PORT: " & $config.port # 1234
echo "MYAPP_DEV: " & $config.dev # trueProvides tiny functions to validate values. A procedure can validate requires, min value, max value and regex match. For more informations, see also API documents.
MIT