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AWS for Backend Developers (EC2, S3, RDS, Lambda) · Lesson

Building CloudWatch Dashboards

Learn how to create, customize, and share CloudWatch dashboards to visualize metrics from across your AWS infrastructure in one place.

Building CloudWatch Dashboards is a free AWS for Backend Developers (EC2, S3, RDS, Lambda) lesson on CoddyKit — lesson 4 of 4. You can read the complete lesson below for free — then practise it hands-on in the browser with a built-in code editor and a 24/7 AI tutor. It is part of the AWS for Backend Developers (EC2, S3, RDS, Lambda) learning path, one of 4 lessons in the course, and your progress syncs across the web and the CoddyKit app.

What Is a Dashboard?

A CloudWatch dashboard is a customizable home page that gathers graphs and widgets from many services into a single view.

Instead of hunting through console pages, your whole system health is on one screen.

Widgets Overview

Dashboards are built from widgets:

  • Line and stacked area for time series
  • Number for a single latest value
  • Gauge for thresholds
  • Text for notes and links

Creating a Dashboard

You can create a dashboard in the console or via the CLI by supplying a JSON body that describes the widgets.

aws cloudwatch put-dashboard \
  --dashboard-name Prod-Overview \
  --dashboard-body file://dashboard.json

Dashboard JSON Structure

The dashboard body is JSON with a widgets array. Each widget has a type, position, and properties such as which metrics to plot.

{
  'widgets': [
    {
      'type': 'metric',
      'properties': {
        'metrics': [['AWS/EC2','CPUUtilization']],
        'title': 'EC2 CPU'
      }
    }
  ]
}

Combining Multiple Services

The real power of dashboards is mixing metrics. Put EC2 CPU, RDS connections, Lambda errors, and ELB latency side by side to correlate issues quickly.

Math Expressions

CloudWatch metric math lets you compute new series, like error rate as errors divided by requests, or summing metrics across instances.

Adding Alarm Status

You can embed alarm widgets on a dashboard so you instantly see which alarms are in ALARM, OK, or INSUFFICIENT_DATA state.

Time Range and Auto Refresh

Dashboards let you set a shared time range (last hour, day, week) and an auto-refresh interval, so the whole board updates together.

Sharing Dashboards

You can share a dashboard with people who do not have an AWS account using a shared dashboard link, ideal for stakeholders and on-call summaries.

Cross-Account and Cross-Region

Dashboards can display metrics from multiple accounts and regions, giving a true single pane of glass for organizations with many AWS accounts.

Dashboard Best Practices

Good dashboards:

  • Lead with the most critical metrics at the top
  • Group related widgets together
  • Use text widgets to explain context
  • Include alarm status for fast triage

Quick Check

Test your dashboard knowledge.

Recap

You learned to build CloudWatch dashboards:

  • Combine widgets from many services
  • Use metric math for derived series
  • Embed alarm status for triage
  • Share boards across accounts, regions, and stakeholders

A good dashboard turns scattered metrics into actionable insight.

Frequently asked questions

Is the “Building CloudWatch Dashboards” lesson free?

Yes — the full text of “Building CloudWatch Dashboards” is free to read here on the web, and the AWS for Backend Developers (EC2, S3, RDS, Lambda) course includes 4 lessons in total. To practise it interactively (a built-in code editor and a 24/7 AI tutor) and unlock the rest of the AWS for Backend Developers (EC2, S3, RDS, Lambda) course, upgrade to CoddyKit PRO.

What will I learn in “Building CloudWatch Dashboards”?

Learn how to create, customize, and share CloudWatch dashboards to visualize metrics from across your AWS infrastructure in one place. You practise AWS for Backend Developers (EC2, S3, RDS, Lambda) with hands-on code you run directly in the browser, and a 24/7 AI tutor answers your questions as you work through the lesson.

Do I need any experience to start AWS for Backend Developers (EC2, S3, RDS, Lambda)?

No prior experience is required. AWS for Backend Developers (EC2, S3, RDS, Lambda) on CoddyKit is structured for beginners through advanced learners; this is — lesson 4 of 4, so you can start here or from the beginning and move at your own pace.

How long does the “Building CloudWatch Dashboards” lesson take?

Most CoddyKit lessons take about 5–10 minutes. Each one is bite-sized and interactive, so you make steady progress and pick up exactly where you left off across the web and the app.

Can I write and run code in this AWS for Backend Developers (EC2, S3, RDS, Lambda) lesson?

Yes. Every AWS for Backend Developers (EC2, S3, RDS, Lambda) lesson includes a built-in code editor, so you write and run real code right in your browser and get instant AI feedback — no local setup required.

All lessons in this course

  1. CloudWatch Metrics and Alarms
  2. CloudWatch Logs and Log Groups
  3. Event-Driven Monitoring with CloudTrail
  4. Building CloudWatch Dashboards
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