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Step_3-EC2_Employee_Directory_Setup.md

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Step_3-EC2_Employee_Directory_Setup.md

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Launching an EC2 Instance for the Employee Directory Application

Step 1: Log in to the AWS Management Console

  1. Sign in as the Admin IAM user, if you're not already logged in.

Step 2: Open the EC2 Service

  1. In the Services search bar, type EC2 and select EC2.
  2. In the left-hand navigation pane, choose Instances.

Step 3: Launch a New EC2 Instance

  1. Click Launch instances.
  2. Configure the following settings.

Step 4: Configure Instance Settings

Section Setting
Name employee-directory-app
Application and OS Image Amazon Linux
Instance type t2.micro
Key pair (login) Create new key pair:
• Name: app-key-pair
• Click Create key pair
• A .pem file will be downloaded
Network settings • VPC: Default
• Subnet: Select the first one
• Auto-assign Public IP: Enabled
Firewall (security groups) • Choose Create security group
• Name/Description: app-sg
• Remove default SSH rule
• Add Rule: HTTP, Source: Anywhere

Step 5: Add IAM Role and User Data

  1. Expand Advanced details.

  2. Under IAM instance profile, select: S3DynamoDBFullAccessRole.

  3. Paste the following in User data:

    #!/bin/bash -ex
wget https://aws-tc-largeobjects.s3-us-west-2.amazonaws.com/DEV-AWS-MO-GCNv2/FlaskApp.zip
unzip FlaskApp.zip
cd FlaskApp/
yum -y install python3 mysql
pip3 install -r requirements.txt
amazon-linux-extras install epel
yum -y install stress
export PHOTOS_BUCKET=${SUB_PHOTOS_BUCKET}
export AWS_DEFAULT_REGION=<INSERT REGION HERE>
export DYNAMO_MODE=on
FLASK_APP=application.py /usr/local/bin/flask run --host=0.0.0.0 --port=80

  4. Replace the line below with your actual AWS region:

    export AWS_DEFAULT_REGION=<INSERT REGION HERE>

    Example for US West (Oregon):

    export AWS_DEFAULT_REGION=us-west-2

⚠️ Note: Keep ${SUB_PHOTOS_BUCKET} as-is. You will update this in a later step.

Step 6: Launch the Instance

  1. Click Launch instance.
  2. Then click View all instances.

Step 7: Verify the Instance

  1. Wait until Instance state is Running.
  2. Confirm that Status check shows 2/2 checks passed.

🔄 If the page doesn't update, refresh after a few minutes.

Viewing the Application in a Web Browser

  1. Select your instance.
  2. In the Details tab, copy the Public IPv4 address.

⚠️ Only copy the address — do not click the link.

  1. Open a new browser tab and go to:

    http://<your-public-ipv4>

    Example:

    http://18.223.45.67

✅ Success

You should now see the Employee Directory placeholder page!

While the database connection is not yet configured, the application front end is successfully running on your EC2 instance.

🎉 Congratulations! You've launched your EC2 instance and deployed the app front end.