codesnips

configuration

typescript 
import { z } from "zod";

const booleanFromString = z.preprocess((val) => {
  if (typeof val !== "string") return val;
  return ["true", "1", "yes", "on"].includes(val.toLowerCase());
}, z.boolean());

Typed env parsing with zod

typescript zod validation
by codesnips 3 tabs
typescript 
import { z } from "zod";

export const envSchema = z.object({
  VITE_API_URL: z.string().url(),
  VITE_APP_NAME: z.string().min(1).default("my-app"),
  VITE_ENABLE_ANALYTICS: z

Vite env handling: explicit prefixes only

vite frontend env
by codesnips 3 tabs
ruby 
Rails.application.config.filter_parameters += [
  :password,
  :password_confirmation,
  :secret,
  :token,
  :api_key,

Sensitive Param Filtering for Logs

rails security logging
by codesnips 4 tabs
javascript 
const { z } = require('zod');

const envSchema = z
  .object({
    NODE_ENV: z
      .enum(['development', 'test', 'production'])

Validate Environment Variables at Startup with a Zod Schema in Node.js

nodejs zod configuration
by codesnips 3 tabs
python 
import os
from pathlib import Path

BASE_DIR = Path(__file__).resolve().parent.parent.parent

SECRET_KEY = os.environ.get('SECRET_KEY', 'dev-secret-key-change-in-production')

Django settings organization with environment-based configs

django python configuration
by Priya Sharma 3 tabs
python 
from typing import Literal, Tuple, Type

from pydantic import BaseModel, PostgresDsn, RedisDsn
from pydantic_settings import (
    BaseSettings,
    PydanticBaseSettingsSource,

Layered Pydantic Settings: Env Vars Over a YAML Defaults File

pydantic configuration settings
by codesnips 4 tabs
go 
package appconfig

import (
	"flag"
	"io"
	"os"

Parsing and Validating CLI Flags into a Typed Config Struct in Go

cli flags configuration
by codesnips 3 tabs
java 
package com.example.http;

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;

Attaching Bearer Tokens to Spring RestClient Calls with a ClientHttpRequestInterceptor

spring-boot restclient interceptor
by codesnips 3 tabs
java 
package com.example.storage;

import jakarta.validation.Valid;
import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.NotBlank;
import jakarta.validation.constraints.Pattern;

Bind and Validate Grouped App Settings with @ConfigurationProperties in Spring Boot

spring-boot configuration validation
by codesnips 3 tabs
yaml 
# ConfigMap from literal values
apiVersion: v1
kind: ConfigMap
metadata:
  name: web-app-config
  namespace: production

Kubernetes ConfigMaps and Secrets management

kubernetes k8s configmaps
by Ryan Nakamura 2 tabs
python 
from dataclasses import dataclass


class ConfigError(Exception):
    pass

Typed Argparse Subcommands with Dataclasses and Handler Dispatch

argparse cli dataclasses
by codesnips 3 tabs
rust 
use serde::Deserialize;

#[derive(Debug, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct Config {
    pub server: ServerConfig,

Parsing a Layered TOML Config into Typed Sections with Serde and Defaults

rust serde toml
by codesnips 3 tabs