Crate env_url

This crate provides env-composable service urls complete with key overrides as to facilitate flexibility and to simplify integration with kubernetes.

Env mapping behaviors

ENV
{PREFIX}_URL	set service url, disregarding other overrides
{PREFIX}_URL_ENV	override {PREFIX}_URL env mapping
{PREFIX}_SCHEME	set url scheme component
{PREFIX}_SCHEME_ENV	override {PREFIX}_SCHEME env mapping
{PREFIX}_PATH	set url path component
{PREFIX}_PATH_ENV	override {PREFIX}_PATH env mapping
{PREFIX}_QUERY	set url query component
{PREFIX}_QUERY_ENV	override {PREFIX}_QUERY env mapping
{PREFIX}_USERNAME	set url username component (if password set)
{PREFIX}_USERNAME_ENV	override {PREFIX}_USERNAME env mapping
{PREFIX}_PASSWORD	set url password (username as “default” if empty)
{PREFIX}_PASSWORD_ENV	override {PREFIX}_PASSWORD env mapping

Example

use env_url::*;

#[derive(EnvURL)]
#[env_url(env_prefix = "REDIS", default = "redis://127.0.0.1:6379")]
pub struct RedisDB;

let service_url = RedisDB::service_url();

Structs

Url

A parsed URL record.

Enums

ParseError

Errors that can occur during parsing.

Traits

ServiceURL

Derive Macros

EnvURL