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Step 5: Create a Service
Creating a Service to run a Docker-containerized application
DuploCloud supports three container orchestration technologies to deploy containerized applications in AWS:
Native EKS
Native ECS Fargate
Built-in container orchestration in DuploCloud using EKS/ECS Kubernetes
You can use any of these methods, which all employ Docker containers. This tutorial uses DuploCloud's built-in container orchestration using EKS and Kubernetes
You don't have to have experience with Kubernetes to deploy an application in the DuploCloud Portal. However, it is helpful to be familiar with the Docker platform. Docker runs on any platform and provides an easy-to-use UI for creating, running, and managing containers, in which your application code resides.
This tutorial will access a pre-built Docker container to deploy a simple Hello World NodeJS web app. When you run the application, DuploCloud accesses Docker images in a preconfigured Docker Hub.
When you run your own applications, you will choose a public image or provide credentials to access your private repository. Before you deploy your own applications, configure your Docker Registry credentials in DuploCloud.
Estimated time to complete Step 5: 10 minutes.
Prerequisites
Before creating a Service, verify that you accomplished the tasks in the previous tutorial steps. Using the DuploCloud Portal, confirm that:
An Infrastructure and Plan exist, both with the name NONPROD.
The NONPROD infrastructure has EKS Enabled.
A Tenant with the name dev01 has been created.
A host with the name host01 has been created.
Select the Tenant you created
In the Tenant list box, on the upper-left side of the DuploCloud Portal, select the dev01 Tenant that you created.
Adding a Service
In the DuploCloud Portal, navigate to Kubernetes -> Services. The Services page displays.
Click Add. The Add Service page displays.
From the table below, enter the values that correspond to the fields on the Add Service page. Accept all other default values for fields not specified.
Click Next. The Advanced Options page is displayed.
At the bottom of the Advanced Options page, click Create. Your Service is created and initialized. In about five (5) minutes, in the Containers tab, your DuploCloud Service displays a Current status of Running.
| Add a Service page field | Value |
|---|---|
Service Name |
|
Docker Image |
|
Use the Containers tab to monitor the Service creation status, between Desired (Running) and Current.
Deploying a Service on Spot Instances (optional)
Follow the steps in Creating Services using Autoscaling Groups. In the Add Service page, Basic Options, Select Tolerate spot instances.
Checking your work
Verify that your DuploCloud Service, demo-service, has a Current status of Running.
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