#!/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);

# S3 bucket for static assets
resource "aws_s3_bucket" "assets" {
  bucket = "${var.project_name}-assets-${var.environment}"
}

resource "aws_s3_bucket_versioning" "assets" {

#!/bin/bash
# Helm commands

# Add repositories
helm repo add bitnami https://charts.bitnami.com/bitnami
helm repo update

# Optimized production Dockerfile

# Stage 1: Dependencies
FROM node:20-alpine AS deps
WORKDIR /app

---
# Main playbook
- name: Configure web servers
  hosts: webservers
  become: yes
  vars: