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nginx and docker playbook
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‎.gitignore

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# Ignore Ansible Vault files
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*.vault
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# Ignore temporary files
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*.retry
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*.log
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# Ignore other common files
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*.swp
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*.swo
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.DS_Store
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Thumbs.db
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.env
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credentials/*
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!credentials/README.md

‎README.md

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https://chatgpt.com/c/66ed8251-8394-8002-9b4a-029f4255770c

‎ansi.sh

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#!/bin/bash
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# Load environment variables from .env file
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if [ -f .env ]; then
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export $(grep -v '^#' .env | xargs)
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else
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echo ".env file not found!"
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exit 1
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fi
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# Run Ansible playbook with the loaded variables
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ansible-playbook ./playbook/docker-playbook.yml \
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--extra-vars "the_ip=${MACHINE_IP} the_user=${MACHINE_USER} the_key_path=${SSH_PRIVATE_KEY_PATH}"

‎ansible.cfg

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[defaults]
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inventory = ./hosts/inventory.ini
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roles_path = ./roles

‎credentials/README.md

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```bash
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cd credentials
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ssh-keygen -t rsa -b 2048 -f "$(pwd)/ansible_hub_key"
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```
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```bash
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ssh -i ./ansible_hub_key [email protected]
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```

‎hosts/inventory.ini

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[web_servers]
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web_server ansible_host={{the_ip}}
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[web_servers:vars]
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ansible_user={{the_user}}
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ansible_ssh_private_key_file={{the_key_path}}
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‎playbook/docker-playbook.yml

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---
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- name: Configure Docker on Web Servers
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hosts: web_servers
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become: yes
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roles:
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- docker

‎playbook/nginx-playbook.yml

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---
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- name: Configure Nginx on web servers
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hosts: web_servers
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become: yes
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roles:
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- nginx

‎roles/docker/tasks/main.yml

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- name: Install prerequisites for Docker repository
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become: true
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apt:
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name:
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- apt-transport-https
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- ca-certificates
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- curl
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- gnupg
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- software-properties-common
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force_apt_get: True
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update_cache: yes
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- name: Add Docker GPG key
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become: true
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apt_key:
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url: https://download.docker.com/linux/ubuntu/gpg
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- name: Add Docker APT repository.
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become: true
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apt_repository:
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#repo: deb [arch=amd64] https://download.docker.com/{{ ansible_system | lower }}/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable
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repo: deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable
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- name: Install Docker CE.
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become: true
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apt:
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name:
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- docker-ce
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- docker-ce-cli
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- containerd.io
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force_apt_get: True
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update_cache: yes
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allow_unauthenticated: yes
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- name: Install Docker-compose.
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become: true
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get_url:
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url: "https://github.com/docker/compose/releases/download/1.24.0/docker-compose-{{ansible_system}}-{{ansible_architecture}}"
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dest: /usr/local/bin/docker-compose
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mode: +x
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- name: Changing permission of "/var/run/docker.sock", adding "777"
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become: true
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file:
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dest: /var/run/docker.sock
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mode: 0777
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- name: Pull Docker image
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docker_image:
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name: hiremostafa/express-demo:1.0.1
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source: pull
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- name: Run Docker container
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docker_container:
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name: express_demo
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image: hiremostafa/express-demo:1.0.1
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state: started
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published_ports:
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- "3006:3006"
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env:
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name: kamal
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‎roles/nginx/defaults/main.yml

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---

‎roles/nginx/files/index.html

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<!DOCTYPE html>
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<html lang="en" class="h-full">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Ansible Nginx Installation</title>
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<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/tailwind.min.css" rel="stylesheet">
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</head>
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<body class="flex flex-col min-h-full bg-gray-100 font-sans">
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<header class="bg-green-600 text-white py-6">
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<div class="container mx-auto text-center">
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<h1 class="text-4xl font-bold">Ansible Nginx Installation</h1>
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<p class="mt-2 text-xl">Automated Deployment Success!</p>
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</div>
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</header>
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<main class="flex-grow container mx-auto mt-8 px-4 mb-8">
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<div class="bg-white shadow-md rounded-lg p-6 mb-8">
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<h2 class="text-2xl font-semibold mb-4 text-green-600">About This Deployment</h2>
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<p class="text-gray-700 mb-4">
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This page is served by Nginx, which was automatically installed and configured using Ansible.
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This demonstrates the power of automation in deploying web servers quickly and consistently.
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</p>
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<div class="mt-6">
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<a href="https://docs.ansible.com" target="_blank" class="bg-green-600 text-white py-2 px-4 rounded hover:bg-green-500 mr-4">Ansible Docs</a>
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<a href="https://nginx.org/en/docs/" target="_blank" class="bg-blue-600 text-white py-2 px-4 rounded hover:bg-blue-500">Nginx Docs</a>
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</div>
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</div>
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<div class="grid md:grid-cols-2 gap-8">
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<div class="bg-white shadow-md rounded-lg p-6">
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<h3 class="text-xl font-semibold mb-4 text-green-600">Ansible Benefits</h3>
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<ul class="list-disc list-inside text-gray-700">
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<li>Automated configuration management</li>
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<li>Consistent deployments across environments</li>
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<li>Scalable infrastructure management</li>
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<li>Reduced human error in deployments</li>
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</ul>
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</div>
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<div class="bg-white shadow-md rounded-lg p-6">
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<h3 class="text-xl font-semibold mb-4 text-blue-600">Nginx Features</h3>
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<ul class="list-disc list-inside text-gray-700">
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<li>High performance web server</li>
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<li>Reverse proxy capabilities</li>
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<li>Load balancing</li>
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<li>HTTP caching</li>
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</ul>
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</div>
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</div>
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</main>
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<footer class="bg-gray-800 text-white py-4 mt-auto">
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<div class="container mx-auto text-center">
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<p>&copy; 2024 Ansible Nginx Deployment. Created with automation.</p>
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</div>
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</footer>
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</body>
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</html>

‎roles/nginx/handlers/main.yml

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---
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- name: Restart Nginx
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service:
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name: nginx
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state: restarted
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- name: Reload Nginx
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service:
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name: nginx
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state: reloaded

‎roles/nginx/tasks/main.yml

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---
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- name: Install Nginx
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become: true
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apt:
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name: nginx
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force_apt_get: true
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update_cache: yes
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- name: Ensure Nginx sites-available directory exists
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file:
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path: /etc/nginx/sites-available
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state: directory
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mode: '0755'
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- name: Ensure Nginx sites-enabled directory exists
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file:
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path: /etc/nginx/sites-enabled
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state: directory
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mode: '0755'
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- name: Ensure website directory exists
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file:
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path: "/var/www/{{ server_name }}"
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state: directory
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owner: www-data
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group: www-data
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mode: '0755'
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- name: Deploy Nginx site configuration
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template:
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src: "nginx.conf.j2"
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dest: "/etc/nginx/sites-available/{{ server_name }}.conf"
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notify: Reload Nginx
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- name: Enable Nginx site configuration
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file:
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src: "/etc/nginx/sites-available/{{ server_name }}.conf"
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dest: "/etc/nginx/sites-enabled/{{ server_name }}.conf"
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state: link
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notify: Reload Nginx
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- name: Remove default Nginx site configuration
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file:
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path: /etc/nginx/sites-enabled/default
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state: absent
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notify: Reload Nginx
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- name: Copy index.html to Nginx root
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copy:
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src: index.html
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dest: "/var/www/{{ server_name }}/index.html"
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owner: www-data
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group: www-data
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mode: '0644'
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- name: Ensure Nginx is started and enabled
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service:
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name: nginx
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state: started
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enabled: yes

‎roles/nginx/templates/nginx.conf.j2

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server {
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listen 80;
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listen [::]:80;
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root /var/www/{{ server_name }};
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index index.html index.htm index.nginx-debian.html;
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server_name {{ server_name }};
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location / {
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try_files $uri $uri/ =404;
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}
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}

‎roles/nginx/vars/main.yml

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---
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nginx_port: 80
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server_name: localhost

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