mkdir terraform-files
cd terraform-files
nano main.tf
provider "aws" {
region = "us-west-2"
}
resource "aws_vpc" "my_vpc" {
cidr_block = "10.0.0.0/16"
}
resource "aws_subnet" "public_subnet_a" {
vpc_id = aws_vpc.my_vpc.id
cidr_block = "10.0.1.0/24"
availability_zone = "us-west-2a"
}
resource "aws_subnet" "public_subnet_b" {
vpc_id = aws_vpc.my_vpc.id
cidr_block = "10.0.2.0/24"
availability_zone = "us-west-2b"
}
resource "aws_internet_gateway" "my_igw" {
vpc_id = aws_vpc.my_vpc.id
}
resource "aws_route_table" "public_route_table" {
vpc_id = aws_vpc.my_vpc.id
route {
cidr_block = "0.0.0.0/0"
gateway_id = aws_internet_gateway.my_igw.id
}
}
resource "aws_route_table_association" "public_subnet_a_association" {
subnet_id = aws_subnet.public_subnet_a.id
route_table_id = aws_route_table.public_route_table.id
}
resource "aws_route_table_association" "public_subnet_b_association" {
subnet_id = aws_subnet.public_subnet_b.id
route_table_id = aws_route_table.public_route_table.id
}
resource "aws_instance" "ec2_instance_a" {
ami = "ami-00af37d1144686454" # Amazon Linux 2 AMI ID for us-west-2 region
instance_type = "t2.micro"
subnet_id = aws_subnet.public_subnet_a.id
associate_public_ip_address = true
key_name = "key-name" #change this line for your key
security_groups = [aws_security_group.alb_sg.id]
tags = {
Name = "EC2 Instance A"
}
}
resource "aws_instance" "ec2_instance_b" {
ami = "ami-00af37d1144686454" # Amazon Linux 2 AMI ID for us-west-2 region
instance_type = "t2.micro"
subnet_id = aws_subnet.public_subnet_b.id
associate_public_ip_address = true
key_name = "key-name" #change this line for your key
security_groups = [aws_security_group.alb_sg.id]
tags = {
Name = "EC2 Instance B"
}
}
resource "aws_security_group" "alb_sg" {
name_prefix = "alb-sg-"
vpc_id = aws_vpc.my_vpc.id
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = 0
to_port = 65535
protocol = "udp"
cidr_blocks = ["0.0.0.0/0"]
}
ingress {
from_port = -1
to_port = -1
protocol = "icmp"
cidr_blocks = ["0.0.0.0/0"]
}
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
}
resource "aws_alb" "example" {
name = "example-alb"
subnets = [aws_subnet.public_subnet_a.id, aws_subnet.public_subnet_b.id]
security_groups = [aws_security_group.alb_sg.id]
}
resource "aws_alb_target_group" "example" {
name = "example-target-group"
port = 80
protocol = "HTTP"
vpc_id = aws_vpc.my_vpc.id
}
resource "aws_alb_listener" "example" {
load_balancer_arn = aws_alb.example.arn
port = 80
protocol = "HTTP"
default_action {
target_group_arn = aws_alb_target_group.example.arn
type = "forward"
}
}
resource "aws_alb_target_group_attachment" "example" {
target_group_arn = aws_alb_target_group.example.arn
target_id = aws_instance.ec2_instance_a.id
port = 80
}
output "ec2_instance_a_public_ip" {
value = aws_instance.ec2_instance_a.public_ip
}
output "ec2_instance_b_public_ip" {
value = aws_instance.ec2_instance_b.public_ip
}
terraform init
terraform apply
ssh -i "key-name.pem" ec2-user@public_IP
sudo yum update
sudo amazon-linux-extras install ansible2
nano install_node.yml
---
- name: Install Node.js using Nodesource
hosts: localhost
become: true
tasks:
- name: Install required dependencies
become: yes
yum:
name: curl
state: present
- name: Add Node.js 14.x repository
become: yes
shell: curl -sL https://rpm.nodesource.com/setup_14.x | bash -
- name: Install Node.js package
become: yes
yum:
name: nodejs
state: present
ansible-playbook install_node.yml
sudo yum install -y git
git clone https://github.com/abkunal/Chat-App-using-Socket.io.git
cd Chat-App-using-Socket.io
nano package.json
{
"name": "chatapp",
"version": "1.0.0",
"description": "",
"main": "app.js",
"scripts": {
"start": "node app.js",
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "Kunal Yadav",
"license": "ISC",
"dependencies": {
"socket.io": "^2.0.3",
"express": "*"
}
}
npm start
nano deploy_app.yml
---
- name: Install app
hosts: localhost
become: true
tasks:
- name: Clone your application code from Git
git:
repo: https://github.com/abkunal/Chat-App-using-Socket.io.git
dest: ~/chat_app
version: master
- name: Install Node.js application dependencies
command: npm install
args:
chdir: ~/chat_app
- name: Install PM2
npm:
name: pm2
global: yes
- name: Start the Node.js application using PM2
command: pm2 start app.js
args:
chdir: ~/chat_app
ansible-playbook deploy_app.yml
pm2 list
http://public_Ip:5000 (ex. http://52.13.27.43:5000)
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