# === Vault Agent Injector: Auto-inject secrets into pods ===
apiVersion: apps/v1
kind: Deployment
metadata:
  name: api-server
  namespace: production

# === ArgoCD Application: Single app deployment ===
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: myapp-production
  namespace: argocd

# AWS VPC with public/private subnets across 3 AZs

data "aws_availability_zones" "available" {
  state = "available"
}

# === One-off Job: Database migration ===
apiVersion: batch/v1
kind: Job
metadata:
  name: db-migrate
  namespace: production

#!/usr/bin/env bash
# Docker Networking Modes & Configuration

# === List networks ===
docker network ls
docker network inspect bridge

#!/bin/bash
# Linux system administration commands

# === Process Management ===
ps aux                                # All processes
ps aux | grep nginx                   # Find specific process

# Backend configuration with S3 + DynamoDB locking
terraform {
  backend "s3" {
    bucket         = "company-terraform-state"
    key            = "services/web-app/terraform.tfstate"
    region         = "us-east-1"

# Headless Service for stable DNS
apiVersion: v1
kind: Service
metadata:
  name: postgres
  namespace: production

// Configuration management with validation
const Joi = require('joi');

// Define schema for all environment variables
const envSchema = Joi.object({
  NODE_ENV: Joi.string()

# Service Account for the application
apiVersion: v1
kind: ServiceAccount
metadata:
  name: web-app-sa
  namespace: production

# Project Makefile
.DEFAULT_GOAL := help

# Variables
APP_NAME := web-app
VERSION := $(shell git describe --tags --always --dirty)

// Express app with health checks and graceful shutdown
const express = require('express');
const { createServer } = require('http');

const app = express();
const server = createServer(app);