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How to Deploy an Nginx Web Server on Amazon ECS using Fargate?

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Condition for Deploy an Nginx Web Server on Amazon ECS using Fargate

  •  Goal:
     Create a Fargate task definition
     Add Nginx container
     Run Task with Public IP
     Open Nginx in browser
  • Description:
    To deploy the publicly accessible Nginx web server on Amazon ECS using AWS Fargate. You begin by creating a new Fargate task definition that uses the Linux/x86_64 platform and the default awsvpc network mode, followed by allocating minimal compute resources. Inside the task definition, you add an Nginx container using the nginx:latest image and expose port 80, enabling the container to serve web traffic. After the task definition is created, you launch the task inside an ECS cluster using a public subnet and ensure that Auto-assign Public IP is enabled so the Nginx server can be accessed from the internet. Once the task is running, ECS provides a public IPv4 address, which you can open in a browser to verify the deployment. Seeing the default “Welcome to nginx!” page confirms that your Nginx container is successfully running on ECS Fargate and reachable publicly.

Steps

  •  STEP 1 — Create a Fargate Task Definition
     Go to AWS Console → ECS
     Left menu → Task definitions
     Click Create new task definition
     Under Infrastructure requirements, choose:
     Launch type → AWS Fargate
     Select:
     Operating system/Architecture → Linux / x86_64
     Network mode → awsvpc (default)
     Task size:
     CPU: 0.25 vCPU
     Memory: 0.5 GB (512 MiB)
  •  STEP 2 — Add Nginx Container
     Scroll to Container - 1
     Name:
     nginx-container
     Container image URI:
     nginx:latest
     Essential container → Keep Enabled
     Port mapping:
     Click Add port mapping
     Enter:
     Container port: 80
     Protocol: TCP
     This exposes NGINX web server.
     Enable logging:
     Log collection → Enable
     Scroll down → Click Create
     Your Nginx task definition is ready.
  •  STEP 3 — Run the NGINX Task
     Go to ECS → Clusters
     Select your Fargate cluster
     (If you don’t have one, create: “Networking only (Fargate)”)
     Click Run new task
     Fill details:
     Launch type: FARGATE
     Task definition: Select nginx-task (latest revision)
     Cluster: Select your cluster
     VPC: Choose default VPC
     Subnets: Select any PUBLIC subnet
     (Usually with “us-east-1a public” or similar)
     Set security group for access HTTP in inbound rule
     Auto-assign Public IP: ENABLE
     IMPORTANT: Without this Nginx will not be reachable from browser.
     Scroll → Click Run Task
  •  STEP 4 — Get Public IP of Task
     Go inside the Tasks tab
     Click on the running task
     Scroll down to Networking
     go to: Public IPv4 address: 3.x.x.x
     Copy this IP.
  •  STEP 5 — Open NGINX in Browser
     Open:
     http://YOUR_PUBLIC_IP/
     You will see:
     "Welcome to nginx!"
     This confirms your ECS task is working publicly.
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