Docker on AWS — Complete Guide
Docker on AWS — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of AWS Cloud Tutorial on Toolliyo Academy.
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AWS Cloud Tutorial · Lesson 46 of 100
Docker on AWS
Core services → Projects
Core services · 1 — AWS basics · ~6 min · AWS — DevOps & Automation
What is this?
Docker on AWS means packaging apps as images stored in ECR and running them on ECS, EKS, App Runner, or EC2 with Docker installed.
Why should you care?
AwsVerse standardizes container images so dev, staging, and prod run identical artifacts.
See it live — copy this example
Run in AWS CloudShell / local AWS CLI v2, or follow the matching steps in the AWS Console (Free Tier).
aws ecr create-repository \
--repository-name awsverse/payment-api \
--image-scanning-configuration scanOnPush=true \
--encryption-configuration encryptionType=AES256What happened?
- Creates an ECR repo with scan-on-push.
- docker push 123.dkr.ecr.region.amazonaws.com/awsverse/payment-api:v1 uploads your image.
Practice next
- Create ECR repo.
- Build locally: docker build -t payment-api .
- Login and push to ECR; pull from ECS task.
- Enable lifecycle policy keeping last 10 images.
- Multi-stage Dockerfile to shrink image size.
Remember
ECR = private Docker registry. Scan images on push. Tag with git SHA not just latest.
AwsVerse container registry
Security requires vulnerability scan gate.
Outcome: ECR scan blocks deploy if CRITICAL CVE found.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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