About

Imported from jeremylongshore/tons-of-skills-marketplace (skills/.curated/managing-environment-configurations/SKILL.md). Install upstream with npx skills add jeremylongshore/tons-of-skills-marketplace --skill managing-environment-configurations. Copyright stays with the author (MIT).

Managing Environment Configurations

Name: managing-environment-configurations
Author: jeremylongshore

Overview

Manage application configurations across development, staging, and production environments using .env files, Kubernetes ConfigMaps/Secrets, SSM Parameter Store, and cloud-native configuration services. Enforce consistency, prevent configuration drift, and implement safe promotion workflows between environments.

Prerequisites

Access to all target environments (dev, staging, production)
Configuration management tool or pattern identified (dotenv, ConfigMaps, SSM, Consul)
Version control for configuration files (separate repo or encrypted in application repo)
Encryption tool for sensitive values (sops, age, sealed-secrets, or cloud KMS)
Understanding of which values differ between environments vs. which are shared

Instructions

Audit existing configuration: scan for .env files, config/ directories, Kubernetes ConfigMaps, and hardcoded values in source code
Classify each configuration value: public (non-sensitive, varies per env), secret (credentials, API keys), and static (same across all envs)
Extract hardcoded values into externalized configuration with a clear naming convention (APP_DATABASE_HOST, APP_REDIS_URL)
Create environment-specific configuration files: .env.development, .env.staging, .env.production
Encrypt sensitive values using sops with cloud KMS or sealed-secrets for Kubernetes
Generate Kubernetes ConfigMaps and Secrets from environment files for cluster-based deployments
Set up configuration validation: schema checks to ensure all required variables are present before deployment
Implement promotion workflow: changes go to dev first, then promote to staging after testing, then to production with approval
Add configuration drift detection: compare running environment against source-of-truth on a schedule

Output

Environment-specific configuration files (.env.*, config/*.yaml)
Kubernetes ConfigMap and Secret manifests per environment
Configuration schema/validation script to catch missing variables
SOPS-encrypted secret files with .sops.yaml rules
CI/CD pipeline steps for configuration validation and deployment

Error Handling

Error	Cause	Solution
`Missing required environment variable`	Variable defined in schema but absent from `.env` file	Add the variable to the environment file; run validation script before deploy
`SOPS decryption failed`	Wrong KMS key or expired credentials	Verify KMS key ARN in `.sops.yaml`; refresh cloud credentials
`ConfigMap too large`	Kubernetes 1MB ConfigMap size limit exceeded	Split into multiple ConfigMaps or mount as files from a volume
`Configuration drift detected`	Manual changes made directly to running environment	Re-apply configuration from source-of-truth; block direct environment edits
`Secret exposed in logs`	Application logging sensitive config values at startup	Mask secrets in logging output; audit code for accidental secret printing

Examples

"Create an environment configuration system using .env files for a Node.js app with SOPS encryption for secrets and validation that all required vars are set."
"Generate Kubernetes ConfigMaps and Secrets from environment files for dev, staging, and production namespaces."
"Set up a configuration promotion workflow: edit in dev, validate in CI, promote to staging via PR, deploy to production with approval gate."

Resources

12-Factor App config: https://12factor.net/config
SOPS encryption: https://github.com/getsops/sops
Kubernetes ConfigMaps: https://kubernetes.io/docs/concepts/configuration/configmap/
Sealed Secrets: https://github.com/bitnami-labs/sealed-secrets
Consul KV: https://developer.hashicorp.com/consul/docs/dynamic-app-config/kv

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/jeremylongshore-tons-of-skills-marketplace-managing-envi-c04be4/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

jeremylongshore-tons-of-skills-marketplace-managing-envi-c04be4.ocm.jsonjson

{
  "ocm": "1",
  "id": "jeremylongshore-tons-of-skills-marketplace-managing-envi-c04be4",
  "kind": "skill",
  "name": "managing-environment-configurations",
  "description": "Implement environment and configuration management with comprehensive guidance and automation. Use when you need to work with environment configuration. Trigger with phrases like \"manage environments\", \"configure environments\", or \"sync configurations\".",
  "publisher": "jeremylongshore",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "general"
    ],
    "tags": [
      "skill-md",
      "devops",
      "environment-configurations",
      "skills-sh"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Implement environment and configuration management with comprehensive guidance and automation. Use when you need to work with environment configuration. Trigger with phrases like \"manage environments\", \"configure environments\", or \"sync configurations\"."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/jeremylongshore/tons-of-skills-marketplace",
      "path": "skills/.curated/managing-environment-configurations/SKILL.md",
      "ref": "HEAD",
      "url": "https://github.com/jeremylongshore/tons-of-skills-marketplace/blob/HEAD/skills/.curated/managing-environment-configurations/SKILL.md",
      "key": "jeremylongshore/tons-of-skills-marketplace/skills/.curated/managing-environment-configurations/SKILL.md"
    },
    "compatibility": "Designed for Claude Code",
    "allowed_tools": [
      "Read,",
      "Write,",
      "Edit,",
      "Grep,",
      "Glob,",
      "Bash(cmd:*)"
    ],
    "license": "MIT"
  },
  "instructions": "# Managing Environment Configurations\n\n## Overview\n\nManage application configurations across development, staging, and production environments using `.env` files, Kubernetes ConfigMaps/Secrets, SSM Parameter Store, and cloud-native configuration services. Enforce consistency, prevent configuration drift, and implement safe promotion workflows between environments.\n\n## Prerequisites\n\n- Access to all target environments (dev, staging, production)\n- Configuration management tool or pattern identified (dotenv, ConfigMaps, SSM, Consul)\n- Version control for configuration files (separate repo or enc",
  "cost": {
    "context_tokens": 960
  }
}

Fetch it by URL: GET /api/v1/registry/jeremylongshore-tons-of-skills-marketplace-managing-envi-c04be4/manifest?version=1.0.0

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