Exposing Environment Variables Middleware
EnvVar middleware for Fiber that can be used to expose environment variables with various options.
Table of Contents
Signatures
func New(config ...Config) fiber.Handler
Examples
First import the middleware from Fiber,
import (
"github.com/gofiber/fiber/v2"
"github.com/gofiber/fiber/v2/middleware/envvar"
)
Then create a Fiber app with app := fiber.New()
.
Note: You need to provide a path to use envvar middleware.
Default Config
app.Use("/expose/envvars", envvar.New())
Custom Config
app.Use("/expose/envvars", envvar.New(
envvar.Config{
ExportVars: map[string]string{"testKey": "", "testDefaultKey": "testDefaultVal"},
ExcludeVars: map[string]string{"excludeKey": ""},
}),
)
Response
Http response contract:
{
"vars": {
"someEnvVariable": "someValue",
"anotherEnvVariable": "anotherValue"
}
}
Config
// Config defines the config for middleware.
type Config struct {
// ExportVars specifies the environment variables that should export
ExportVars map[string]string
// ExcludeVars specifies the environment variables that should not export
ExcludeVars map[string]string
}
Default Config
Config{}