launched webapp with docker over aws ec2 instance

Author: litesh1123

Launch webapp with Docker over Ec2 instance/Readme.md

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+# Hosting and Launching a Web Application with Docker on AWS EC2 Instance 🚀
+
+## Overview
+
+This guide provides a step-by-step process to host and launch a web application using Docker on an AWS EC2 instance.
+
+## Prerequisites 📋
+
+- An AWS account
+- Basic knowledge of AWS and Docker
+- AWS CLI installed and configured
+- SSH access to your EC2 instance
+
+## Step-by-Step Guide 🛠️
+
+### Step 1: Launch an EC2 Instance 🚀
+
+1. **Log in to the AWS Management Console**:
+   ![AWS Management Console](https://d1.awsstatic.com/Developer%20Marketing/Cloud%20Computing.4e208de808476c71af24b19e7e152eed.png)
+
+2. **Navigate to the EC2 Dashboard** and click "Launch Instance":
+   ![EC2 Dashboard](https://d2908q01vomqb2.cloudfront.net/6562cd234fbd38b69ab20c3650da0b0d3088bc2b/2021/04/22/1.png)
+
+3. **Choose an Amazon Machine Image (AMI)**: Select the latest Ubuntu AMI.
+   ![Choose AMI](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/images/launch_instance_ubuntu.png)
+
+4. **Choose an Instance Type**: Select t2.micro (eligible for the free tier).
+   ![Choose Instance Type](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/images/launch_instance_instance_type.png)
+
+5. **Configure Instance Details**: Keep the default settings.
+   ![Configure Instance Details](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/images/launch_instance_configure_instance.png)
+
+6. **Add Storage**: Keep the default settings.
+   ![Add Storage](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/images/launch_instance_add_storage.png)
+
+7. **Add Tags**: Add a tag with Key = `Name` and Value = `Docker-WebApp`.
+   ![Add Tags](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/images/launch_instance_add_tags.png)
+
+8. **Configure Security Group**:
+    - Create a new security group.
+    - Add rules to allow SSH (port 22) and HTTP (port 80).
+   ![Configure Security Group](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/images/launch_instance_configure_security_group.png)
+
+9. **Review and Launch**: Click "Launch" and create a new key pair or use an existing one. Download the key pair.
+   ![Review and Launch](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/images/launch_instance_review.png)
+
+### Step 2: Connect to Your EC2 Instance 🔗
+
+1. **Open your terminal** and navigate to the directory containing your key pair file.
+
+2. **Change the permissions of the key pair file**:
+
+   ```sh
+   chmod 400 your-key-pair.pem
+
+3. **Connect to your instance:**
+   ```sh
+   ssh -i "your-key-pair.pem" ubuntu@your-ec2-public-dns
+
+### Step 3: Install Docker on EC2 Instance 🐳
+
+1. **Update the package database:**
+   ```sh
+   sudo apt-get update
+
+2. **Install Docker:**
+   ```sh
+   sudo apt-get install -y docker.io
+
+3. **Start Docker and enable it to start on boot:**
+   ```sh
+   sudo systemctl start docker
+   sudo systemctl enable docker
+
+4. **Verify Docker installation:"
+   ```sh
+   docker --version
+
+### Step 4: Set Up Your Web Application 📦
+1. **Clone your web application repository (replace the URL with your repository):**
+   ```sh
+   git clone https://github.com/your-username/your-webapp.git
+   cd your-webapp
+
+2. **Create a Dockerfile in the root of your project (if not already present):**
+   ```dockerfile
+   FROM node:14
+
+   WORKDIR /app
+
+   COPY package*.json ./
+
+   RUN npm install
+
+   COPY . .
+
+   EXPOSE 3000
+
+   CMD ["npm", "start"]
+   ```
+3. **Build the Docker image:**
+   ```sh
+   docker build -t your-webapp .
+
+4. **Run the Docker container:**
+   ```sh
+   docker run -d -p 80:3000 your-webapp
+
+### Step 5: Access Your Web Application 🌐
+Open a web browser and navigate to your EC2 instance's public DNS (IPv4) address.
+Your web application should be running and accessible on port 80.
+
+### Conclusion 🎉
+You have successfully hosted and launched your web application using Docker on an AWS EC2 instance. Your application is now live and accessible via the internet.
+
+
+