Docker networking is one of the most important concepts in container technology.When multiple containers run on the same host machine, they need a way to communicate with each other and with the internet. Docker solves this problem using virtual networking components such as: In this blog, we will understand how Docker networking works internally using a simple step-by-step explanation. Docker Networking Architecture In our example, we have: The communication flow
Category: AWS
Amazon Web Services (AWS) is the worldβs most popular cloud computing platform, providing on-demand scalable infrastructure, secure storage, powerful computing, and managed databases. With services like EC2, S3, RDS, and Lambda, AWS enables startups, enterprises, and developers to build, deploy, and scale applications faster while reducing costs. Whether for web hosting, big data, AI/ML, or serverless computing, AWS offers flexible solutions to drive innovation in the cloud.
A Beginner-Friendly Guide to Docker Containers on AWS EC2 In todayβs cloud-native world, Docker Containers have completely changed the way applications are developed, deployed, and managed. Containers are lightweight, fast, portable, and incredibly efficient compared to traditional virtual machines. In this blog, we will learn: β¨ What Docker isβ¨ Important Container Terminologiesβ¨ How to Install Docker on AWS EC2β¨ How to Run and Manage Containersβ¨ How to Launch an NGINX
βοΈ What Youβll Learn (AWS IAM Overview) The image shows the main parts of AWS IAM (Identity and Access Management). π IAM is used to control who can access AWS and what they can do. πΉ 1. AWS Policies π Policies are rules (permissions) β Think: Policy = Permission rules πΉ 2. AWS Users π Users are people or applications β Think: User = Individual account πΉ 3. IAM Groups
IAM is a service provided by Amazon Web Services that helps you securely control access to your AWS resources. π Simple Definition π IAM = Identity + Access Control System π Core Components of IAM π€ Users π₯ Groups π Policies π Roles π How IAM Works π§ Real Example π IAM controls these permissions βοΈ One-Line Summary π IAM = Control over who can access AWS and what they
π Simple Definition π Amazon EFS (Elastic File System) is a managed file storage service in AWS. π It is: πΉ What Type of Storage? π EFS is a: β File Storage (Not Block / Not Object) Storage Type Example Use Case File Storage EFS β Shared files, web content Block Storage EBS Single server disk Object Storage S3 Images, videos, backups πΉ Key Features of EFS 1οΈβ£ Shared Storage
Flow:User β ELB (ALB Listener) β Target Group β EC2 Instances (in different AZs) π Introduction In this guide, you will learn how to: We will use: πΉ Step 1: Launch EC2 Instances (in Different AZs) π οΈ Create First Instance (AZ-1) π User Data: #!/bin/bashyum update -yyum install -y httpdsystemctl enable httpdsystemctl start httpdecho “Server 1 – AZ1 Working” > /var/www/html/index.html π οΈ Create Second Instance (AZ-2) Repeat same steps: π