AWS Roadmap for Beginners
This AWS Roadmap for Beginners is a free, full-text syllabus of 101 lessons in 18 stages, starting with Introduction and ending with Lambda. It suits anyone who wants to learn AWS, whether new to it or filling gaps. There is no fixed length: every lesson is open from the start, so you go at your own pace and skip what you already know.
Last updated
Reading is open to everyone. Sign in to join this roadmap and track what you finish.
Continue learning
1. IntroductionIntroduction
0%Introduction
8 topics · 7 sub-topics · 0 completed
The diagram draws the same 101 lessons as a map, with lines showing the order. It needs JavaScript; the full syllabus below lists every lesson as text.
Full syllabus: every lesson in the AWS roadmap
18 stages and 101 lessons, in the order the roadmap suggests. Every lesson is free to read and open from the start.
Stage 1: Introduction
Introduction
AWS (Amazon Web Services) offers a broad set of global cloud-based products including compute, storage, databases, analytics, networking, mobile, developer tools, management tools, IoT, security, and enterprise applications: on-demand, available in seconds, with pay-as-you-go pricing. From data warehousing to…
What is Cloud Computing?
Cloud Computing refers to the delivery of computing services over the internet instead of using local servers. It offers reliable, scalable, and inexpensive cloud computing services which include data storage, databases, applications, analytics, machine learning, and even setting up virtual servers. The biggest…
IaaS vs PaaS vs SaaS
IaaS, PaaS, and SaaS are three types of cloud service models. IaaS or Infrastructure as a Service provides users with a resource-based service via virtualization technology, offering computing infrastructure, physical or (more often) virtual machines and other resources. PaaS or Platform as a Service provides…
Public vs Private vs Hybrid Cloud
Amazon Web Services (AWS) offers various cloud-based deployment models to cater to varying business needs, including Public, Private, and Hybrid clouds. A Public Cloud is a model where the service provider offers resources, such as applications and storage, available to the general public over the internet.…
Introduction to AWS
AWS (Amazon Web Services) offers a broad set of global cloud-based products including compute, storage, databases, analytics, networking, mobile, developer tools, management tools, IoT, security, and enterprise applications: on-demand, available in seconds, with pay-as-you-go pricing. From data warehousing to…
AWS Global Infrastructure
AWS Global Infrastructure refers to the layout of AWS regions and availability zones around the world. A region is a geographical area, each consisting of two or more availability zones (AZs) which are engineered to be isolated from failures in other AZs. AZs provide inexpensive, low-latency network connectivity to…
Shared Responsibility Model
In Amazon Web Services (AWS), the concept of 'Shared Responsibility' pertains to the distribution of security and compliance responsibilities between AWS and the user/client. Under this model, AWS is responsible for the security "of" the cloud — including the infrastructure, hardware, software, networking, and…
Well Architected Framework
AWS Well-Architected Framework is a set of strategic guidelines provided by Amazon Web Services. It is designed to provide high-performing and resilient systems while maintaining cost efficiency. The framework divides the architectural best practices across six pillars which include operational excellence,…
Stage 2: EC2
EC2
Amazon Elastic Compute Cloud (EC2) is a web service that provides secure, resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers. EC2’s simple web service interface allows you to obtain and configure capacity with minimal friction. EC2 enables you to scale…
Instance Types
AWS EC2 instances come in a variety of types optimized to fit different use cases. They are grouped into categories depending on their performance capacity and pricing structure. There are five categories of instance types including General Purpose, Compute Optimized, Memory Optimized, Storage Optimized, and…
CPU Credits
AWS EC2 instances earn CPU Credits when they are idle and consume CPU credits when they are active. A CPU credit provides the performance of a full CPU core for one minute. T2 and T3 instances accrue CPU Credits and use them to burst beyond their baseline performance. For example, a t2.micro instance receives…
Storage / Volumes
In AWS, an Amazon EBS (Elastic Block Store) is the storage volume used by EC2 (Elastic Compute Cloud) instances. It is designed for data durability, and Amazon EBS volumes automatically replicate within their Availability Zone to prevent data loss due to failure of any individual component. EBS volumes are attached…
Keypairs
Key pairs are part of Amazon EC2 and are used to securely log into your instances. A key pair consists of a public key and a private key. Amazon EC2 generates the key pair and gives you the private key, whereas the public key is stored with AWS. When you launch an EC2 instance, you specify the name of the key pair.…
Elastic IP
"Elastic IP" in AWS EC2 is a static IPv4 address designed for dynamic cloud computing. An Elastic IP address is associated with your AWS account not a particular instance, and you control that address until you choose to explicitly release it. Unlike traditional static IP addresses, however, Elastic IP addresses…
User Data Scripts
"User Data Scripts" in EC2 instances are used to perform common automated configuration tasks and even run scripts after the instance starts. These scripts run as the root user, and can be used to install software or download files from an S3 bucket. You can pass up to 16 KB of data to an instance, either as plain…
Purchasing Options
Amazon EC2 provides several purchasing options to fit different workload needs. The On-Demand option allows clients to pay for compute capacity per hour with no long-term commitments. Reserved Instances provide a significant discount compared to On-Demand pricing and are ideal for applications required steady state…
Stage 3: VPC
VPC
Amazon VPC (Virtual Private Cloud) is a service that lets you launch AWS resources in a logically isolated virtual network that you define. It provides advanced security features such as security groups and network access control lists to enable inbound and outbound filtering at the instance and subnet level.…
CIDR Blocks
"CIDR" stands for Classless Inter-Domain Routing. In AWS VPC, a CIDR block is the IP address block from which private IPv4 addresses and public IPv4 addresses are allocated when you create a VPC. The CIDR block can range from /28 (16 IP addresses) to /16 (65,536 IP addresses). It represents a network segment and is…
Subnets
Subnets or subnetworks in Amazon VPC (Virtual Private Cloud) are divisions of a VPC's IP address range. You can launch Amazon Elastic Compute Cloud (Amazon EC2) instances into a selected subnet. When you create a subnet, you specify the CIDR block for the subnet, which is a subset of the VPC CIDR block. Each subnet…
Private Subnet
Private subnets in AWS are isolated network segments within your VPC that do not have direct access to the internet. You can use private subnets to run services and applications that should not be directly accessible from the outside world, but still need to communicate with other resources within your VPC. Any…
Public Subnet
In AWS, a subnet that's designated as public is one that has direct access to the Internet. Each subnet that you create runs on its own portion of the AWS network, and you can consider them as logically isolated sections. When a subnet is designated as public, it means an Internet Gateway is attached to it and thus…
Route Tables
A Route Table in AWS VPC is a set of rules, called routes, that are used to determine where network traffic is directed. Each subnet in your VPC must be associated with a route table, which controls the traffic for the subnet. By default, your VPC has a main route table that you can modify. You can also create…
Security Groups
Security Groups in AWS act as a virtual firewall for your instance to control inbound and outbound traffic. When you launch an instance in a VPC, you can assign up to five security groups to the instance. Security Groups are stateful — if you send a request from your instance, the response traffic for that request…
Internet Gateway
An Internet Gateway is a redundant, horizontally scalable component in AWS that performs bi-directional routing between a VPC and the Internet. It serves two purposes; routing outbound traffic from the VPC to the internet (NAT), and routing inbound traffic from the Internet to the VPC. It's automatically highly…
NAT Gateway
AWS NAT Gateway is a managed service that provides source Network Address Translation (NAT) for instances in a private subnet so they can access the internet securely. It's designed to operate automatically, handling bandwidth scaling, failover, and managing carrier IP addresses. With NAT Gateway, instances within…
Stage 4: IAM
IAM
IAM, or Identity and Access Management, in AWS is a service that enables you to manage access to AWS services and resources securely. It allows you to create and manage AWS users and groups, and use permissions to allow and deny their access to AWS resources. The service includes features like shared access to your…
Policies
Policies in Amazon IAM (Identity and Access Management) are documents that act as containers for permissions. They are expressed in JSON format in IAM and they define the actions, effects, resources, and optional conditions. There are two types of policies: identity-based policies and resource-based policies.…
Users / User Groups
In AWS Identity and Access Management (IAM), a Users Group is a collection of IAM users. Groups enable you to specify permissions for multiple users, making it easier to manage the permissions for those users. For example, you could have a group called "Developers" and give that group the necessary permissions for…
Roles
IAM Roles in AWS are a form of secure access control that do not directly associate with specific users or groups. Instead, trusted entities such as AWS users, applications or services (like EC2) can take on roles to obtain temporary security credentials for making AWS API requests. The structure of roles lets you…
Identity-based
"Identity-based policies" are one of the types of policies you can create in AWS (Amazon Web Services). They are attached directly to an identity (like an IAM user, group, or role) and control what actions that identity can perform, on which resources, and under what conditions. There are two types - inline and…
Resource-based
Resource-based policies are attached directly to the AWS resources that receive the permissions. The policy then specifies what actions are allowed or denied on that particular resource. In resource-based policies, you include a Principal element in the policy to indicate the IAM users or roles that are granted the…
Stage 5: SES
SES
Amazon Simple Email Service (SES) is a scalable and cost-effective email sending service tailored for marketers, developers, and businesses. It enables users to send notifications, transactional emails, and marketing communications using a highly reliable infrastructure. Amazon SES eliminates the complexity and…
Sandbox / Sending Limits
In AWS SES, when your account is in the sandbox (default mode for all new accounts), you can only send emails to verified email addresses and the maximum send rate is 1 email per second. The maximum sending quota is 200 messages per 24-hour period. To move out of this sandbox environment and increase your sending…
Identity Verification
Amazon Simple Email Service (SES) requires users to verify their identities to ensure they own the email addresses or domains they plan to use as 'From', 'Source', 'Sender', or 'Return-Path' addresses. The verification process prevents unauthorized use of identities. There are two types of identities to verify,…
DKIM Setup
DKIM (DomainKeys Identified Mail) is a standard that prevents email spoofing. It allows an organization to take responsibility for transmitting a message in a way that can be verified by mailbox providers. This verification is made possible through cryptographic authentication. In Amazon SES, you can setup DKIM by…
Feedback Handling
AWS Simple Email Service (SES) provides a mechanism for handling bounces, complaints, and delivery notifications. This mechanism is called feedback handling. Bounces occur when an email can't be delivered to a recipient. Complaints happen when a recipient marks an email as spam. Delivery notifications are sent when…
Configuration Sets
Configuration Sets in SES (Simple Email Service) of AWS (Amazon Web Services) allow you to publish email sending events. These sets are used to group together similar rules that you can apply to emails you send using AWS SES. You can apply a configuration set to an email by including it in the headers of the email.…
Sender Reputation
Sender reputation in Amazon Web Services (AWS) Simple Email Service (SES) is essentially a measure of your sending practices and how they align with the expectations of ISPs and email recipients. This reputation is determined by factors such as your email bounce rate, complaints, content quality, email volume,…
Dedicated IP
"Dedicated IP" in AWS SES (Simple Email Service) refers to a unique IP address that can be used exclusively by a single AWS SES customer for sending emails. When you choose to use a dedicated IP, you get full control over the reputation of that IP address, which is beneficial when sending large volume of emails.…
Instance Profiles
Instance profiles are AWS IAM entities that you can use to grant permissions to applications running on your EC2 instances. They effectively allow your instances to make secure API requests. An instance profile is essentially a container for an AWS Identity and Access Management (IAM) role that you can use to pass…
Assuming Roles
Assuming roles in AWS allows one AWS identity to perform actions and access resources in another AWS account, without having to share security credentials. This is achieved using temporary security credentials. You assume a role by calling the AWS Security Token Service (STS) AssumeRole APIs, passing the ARN of the…
Stage 6: S3
S3
Amazon S3 (Simple Storage Service) is an object storage service offered by Amazon Web Services (AWS). It provides scalable, secure and durable storage on the internet. Designed for storing and retrieving any amount of data from anywhere on the web, it is a key tool for many companies in the field of data storage,…
Buckets / Objects
In AWS S3, a "bucket" is a container for data. It is used to store objects. The objects include files or, more technically, any type of data that can be stored in the form of files. In terms of hierarchy, buckets are at the top level in AWS S3. Inside these buckets, you can store any number of objects. An object…
Bucket / Object Lifecycle
AWS S3 Lifecycle is a feature within the AWS S3 resources that allows users to manage their objects so that they are automatically transferred to different storage classes or expire at the end of their lifetimes. It facilitates transitioning objects between different storage classes at set times or according to…
Stage 7: Auto-Scaling
Auto-Scaling
AWS Auto Scaling is a service that automatically scales resources to meet the demands of your applications. It uses policies, health status, and schedules to determine when to add more instances, ensuring that your application always has the right amount of capacity. AWS Auto Scaling can scale resources across…
Stage 8: Route53
Route53
AWS Route 53 is a scalable and highly available domain name system (DNS) service designed to give developers and businesses an extremely reliable and cost-effective way to route users to Internet applications. This DNS service effectively connects user requests to infrastructure running in Amazon Web Services (AWS)…
Hosted Zones
A Hosted Zone in AWS Route 53 is essentially a container that holds information about how you want to route traffic on the internet for a specific domain, such as example.com. Each hosted zone is associated with a set of DNS records, which control the flow of traffic for that domain. AWS Route 53 automatically…
Routing Policies
AWS Route 53 provides different routing policies to fit various needs:
Health Checks
Route53 health checks enable you to monitor the health and performance of your applications, network, and servers. You can create custom health checks that verify the status of specific resources, such as a web server or email server. If the health check fails, Route 53 routes traffic away from the unhealthy…
Stage 9: Storage Types
Storage Types
Amazon S3 provides three storage classes: S3 Standard, S3 Intelligent-Tiering, and S3 Glacier. S3 Standard is designed for frequently accessed data. It delivers low latency and high throughput. S3 Intelligent-Tiering is automated storage class that optimizes costs. It moves objects between two access tiers…
Stage 10: Cloudwatch
Cloudwatch
"Amazon CloudWatch" is a monitoring service for AWS resources and applications that you run on Amazon Web Services. You can use Amazon CloudWatch to collect and track metrics, collect and monitor log files, and respond to system-wide performance changes. CloudWatch gives system-wide visibility into resource…
Metrics
In Amazon CloudWatch, metrics are fundamental concepts that you work with. A metric is the fundamental concept in CloudWatch and represents a time-ordered set of data points that are published to CloudWatch. Think of a metric as a variable to monitor, and the data points as representing the values of that variable…
Events
AWS CloudWatch Events is a service that provides a streamlined, systematic method to respond to system-wide changes in your AWS environment. This could range from a simple state change, like an EC2 instance being stopped or started, to a more complex series of conditions. You can set an Event Pattern to monitor AWS…
Logs
AWS CloudWatch Logs service allows you to monitor, store, and access your log files from Amazon Elastic Compute Cloud (Amazon EC2) instances, AWS CloudTrail, and other sources. It centralizes the logs from all your systems, applications, and AWS services that you use, into a single, highly scalable service. You can…
AMIs
Amazon Machine Images (AMIs) are pre-configured templates for EC2 instances. When you launch an instance in EC2, you start with an AMI. An AMI includes details such as the operating system to use, applications to install, and the volume type and size. AMIs can be either public or private — public AMIs are available…
Launch Templates
"Launch Templates" in AWS Auto Scaling are configurations that an Auto Scaling group uses to launch EC2 instances. They store the configuration information necessary to launch an instance, which includes the ID of the Amazon Machine Image (AMI), the instance type, a key pair, security groups, and the storage…
Auto-Scaling Groups
"Autoscaling Groups" in AWS, also known as Auto Scaling Groups (ASGs), are the main components used for scaling resources automatically according to your requirements in AWS. They contain a collection of Amazon Elastic Compute Cloud (EC2) instances that are treated as a logical grouping for the purpose of automatic…
Scaling Policies
AWS Autoscaling supports various types of scaling policies that control how and when to scale. These include target tracking scaling policies, step scaling policies, and simple scaling policies. Target tracking scaling policies adjust the capacity based on specified dynamic conditions, maintaining the target value…
Elastic Load Balancers
Elastic Load Balancing (ELB) is a load-balancing service for Amazon Web Services (AWS) deployments. It automatically distributes incoming application traffic and scales resources to meet traffic demands. ELB helps to ensure that the incoming traffic is spread evenly across your Amazon EC2 instances, making your…
Standard
Amazon S3 Standard storage is designed for general-purpose storage of frequently accessed data. It provides low latency and high throughput, making it suitable for a wide variety of use cases, including cloud applications, dynamic websites, content distribution, mobile and gaming applications, and big data…
S3-IA
Amazon S3 Infrequent Access (S3 IA) is a storage class in Amazon S3 designed for data that is accessed less frequently, but requires rapid access when needed. S3 IA offers the high durability, high throughput, and low latency of Amazon S3 Standard, with a lower cost per GB for storage and a per GB retrieval fee.…
Glacier
AWS Glacier is a secure, durable, and extremely low-cost storage service for data archiving and long-term backup. It is designed to reliably store data for as long as you need. Its main features are optimized for infrequently accessed data where retrieval time of minutes is acceptable. AWS Glacier supports the…
Stage 11: RDS
RDS
Amazon RDS (Relational Database Service) is a web service from Amazon Web Services. It's designed to simplify the setup, operation, and scaling of relational databases in the cloud. This service provides cost-efficient, resizable capacity for an industry-standard relational database and manages common database…
Stage 12: DynamoDB
DynamoDB
Amazon DynamoDB is a fully managed NoSQL database solution that provides fast and predictable performance with seamless scalability. It is a key-value and document database that delivers single-digit millisecond performance at any scale. DynamoDB can handle more than 10 trillion requests per day and support peaks…
Tables / Items / Attributes
In Amazon DynamoDB, tables are a collection of items. An item is a group of attributes that is identified by a primary key. Items are similar to rows or records in other database systems. Each item in a table is uniquely identifiable by a primary key. This key can be simple (partition key only) or composite…
Primary Keys / Secondary Indexes
DynamoDB supports two types of primary keys, namely Partition Key and Composite Key (Partition Key and Sort Key). A Partition Key, also known as a hash key, is a simple primary key that has a scalar value (a string, a number, or a binary blob). DynamoDB uses the partition key's value to distribute data across…
Data Modeling
In AWS DynamoDB, data modeling is a process that involves determining how to organize, access, and understand the data stored in a database. This process is crucial as it outlines how data will be stored and accessed across a wide range of databases and applications. The primary components of data modeling in…
Streams
AWS DynamoDB Streams is a time-ordered sequence of item-level modifications in any DynamoDB table. When you enable a stream on a table, DynamoDB captures information about every modification to data items in the table. The changes are recorded in near real-time and can be set up to trigger AWS Lambda functions…
Capacity Settings
Amazon DynamoDB capacity settings refer to the read and write capacity of your tables. The read capacity unit is a measure of the number of strong consistent reads per second, while the write capacity unit is a measure of the number of writes per second. You can set up these capacities either as provisioned or…
Limits
In terms of DynamoDB, it’s important to be aware of certain limits. There are two types of capacity modes - provisioned and on-demand, with varying read/write capacity units. You have control over the provisioning of throughput for read/write operations. However, there's a maximum limit of 40000 read capacity units…
Backup / Restore
In AWS, DynamoDB has built-in support for data backup and restore features. This includes both on-demand and continuous backups. On-demand backups allow you to create complete backups of your tables for long-term retention and archival, helping meet corporate and governmental regulatory requirements. Continuous…
DynamoDB Local
DynamoDB Local is a downloadable version of Amazon DynamoDB that lets you write and test applications without accessing the real AWS services. It mimics the actual DynamoDB service. You can write code while sitting in a place where internet isn't available as you don't need internet connectivity to use DynamoDB…
Stage 14: ElastiCache
ElastiCache
Amazon ElastiCache is a fully managed in-memory data store from Amazon Web Services (AWS). It is designed to speed up dynamic web applications by reducing the latency and throughput constraints associated with disk-based databases. ElastiCache supports two open-source in-memory engines: Memcached and Redis. Redis…
Quotas
AWS ElastiCache quotas define the limit on the maximum number of clusters, nodes, parameter groups, and subnet groups you can create in an AWS account. These quotas vary by region and can be increased upon request to the AWS Service team. Quotas for ElastiCache are implemented to prevent unintentional…
General Purpose
General Purpose Storage in AWS refers to Amazon Elastic Block Store (Amazon EBS) volumes designed for a broad range of workloads, including small to medium-sized databases, development and test environments, and boot volumes. The General Purpose SSD (gp2) volumes offer cost-effective storage that is ideal for a…
Provisioned IOPS
"Provisioned IOPS" is a storage option available in Amazon Web Services' (AWS) Elastic Block Store (EBS). This option is designed to deliver fast, predictable, and consistent I/O performance. It allows you to specify an IOPS rate when creating a volume, and AWS will provision that rate of performance, hence the…
Magnetic
"Magnetic" in AWS refers to Magnetic storage, also known as Amazon EBS (Elastic Block Store) Magnetic volumes. These storage types are designed for workloads where data is accessed infrequently, and sceneries where the lowest storage cost is important. Magnetic volumes offer cost-effective storage for applications…
DB Instances
The term "DB Instance" is used within the context of Amazon's Relational Database Service (RDS). A DB Instance is essentially an isolated database environment in the cloud, run within Amazon RDS. A DB Instance can contain multiple user-created databases, and can be accessed using the same tools and applications…
Storage Types
AWS RDS offers three types of storage: General Purpose (SSD), Provisioned IOPS (SSD), and Magnetic. General Purpose (SSD) storage delivers a consistent baseline of 3 IOPS/GB and can burst up to 3,000 IOPS. It's suitable for a broad range of database workloads that have moderate I/O requirements. Provisioned IOPS…
Backup / Restore
Backup Restore in AWS RDS provides the ability to restore your DB instance to a specific point in time. When you initiate a point-in-time restore, a new DB instance is created and all transactions that occurred after the specified point-in-time are not part of the new DB instance. You can restore up to the last…
Stage 15: ECR
ECR
AWS Elastic Container Registry (ECR) is a fully-managed Docker container registry that makes it easy for developers to store, manage, and deploy Docker container images. ECR eliminates the need to operate your own container repositories or worry about scaling the underlying infrastructure. ECR hosts your images in…
Stage 13: Cloudfront
Cloudfront
Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications, and APIs to customers globally with low latency, high transfer speeds all within a developer-friendly environment. It integrates with AWS services including AWS Shield for DDoS mitigation, Amazon…
Distributions
In AWS, a CloudFront "distribution" is the globally distributed network system that helps you to accelerate the delivery of your website, API, video content, or other web assets. These distributions are defined by AWS based on the specified configuration settings. It specifies from where CloudFront gets your files…
Policies
Amazon CloudFront works with AWS Identity and Access Management (IAM) and AWS Organizations to provide you with options to implement fine-grained access control over your CloudFront distributions. CloudFront policies allow you to specify the permissions of a resource. You can create a policy to allow an IAM user to…
Invalidations
Invalidations in AWS CloudFront is a concept where you remove files (objects) from CloudFront cache before it hits the expiration period. AWS CloudFront, like any other CDN, stores copies of your website’s static files in its cache until and unless it reaches its TTL (time to live) duration. But in some situations,…
Stage 16: EKS
EKS
Amazon Elastic Kubernetes Service (EKS) is a managed service that simplifies the deployment, management, and scaling of containerized applications using Kubernetes, an open-source container orchestration platform. EKS manages the Kubernetes control plane for the user, making it easy to run Kubernetes applications…
Stage 17: ECS
ECS
Amazon Elastic Container Service (ECS) is a highly scalable, high-performance container orchestration service that supports Docker containers and allows you to easily run and scale containerized applications on AWS. ECS eliminates the need for you to install, operate, and scale your own cluster management…
Stage 18: Lambda
Lambda
AWS Lambda is a serverless computing service that runs code in response to events and automatically manages the computing resources required by that code. It lets us run applications and services without thinking about servers. You can execute your back-end application code, run code in response to HTTP requests…
Creating / Invoking Functions
To create a Lambda function in AWS, navigate to the AWS Management Console, select "Lambda" under "Compute" and then "Create function". Specify the function name, execution role and runtime environment. Once the function is created, you can write or paste the code into the inline editor. To invoke a Lambda…
Layers
AWS Lambda layers are distribution mechanisms for libraries, custom runtimes, and other function dependencies. In other words, they are a distribution mechanism for artifacts. The layers can be versioned, and each version is immutable. An AWS Lambda layer is a ZIP archive that contains libraries, a custom runtime,…
Custom Runtimes
AWS Lambda supports several preconfigured runtimes for you to choose from, including Node.js, Java, Ruby, Python, and Go. However, if your preferred programming language or specific language version isn't supported natively, you can use custom runtimes. A custom runtime in AWS Lambda is a Linux executable that…
Versioning / Aliases
In AWS Lambda, Versioning provides a way to manage distinct and separate iterations of a Lambda function, enabling both risk reduction and more efficient development cycles. Conversely, an Alias is a pointer to a specific Lambda function version. Aliases are mutable; they can be re-associated to a different…
Event Bridge / Scheduled Execution
Amazon EventBridge is a serverless event bus that makes it easy to connect applications together using data from your own applications, Software-as-a-Service (SaaS) applications, and AWS services. It enables you to build a bridge between your applications, regardless of where they are. With EventBridge, you simply…
Cold Start and Limitations
AWS Lambda's cold start refers to the delay experienced when Lambda invokes a function for the first time or after it has updated its code or dependencies. This happens because Lambda needs to do some initial setup, such as initializing the runtime, before it can execute the function code. This setup process adds…
API Gateway
AWS API Gateway is a fully-managed service that makes it easy to create, publish, maintain, monitor, and secure APIs at any scale. It acts as a "front door" for applications to access data, business logic, or functionality from your backend services, like workloads running on Amazon EC2, AWS Lambda, or any web…
Lambda@Edge
Lambda Edge is a feature of AWS Lambda that allows you to run coding functions at AWS edge locations, closest to your customers. This can result in lower latency response times and better customer experiences. It allows you to customize the content that CloudFront delivers, executing the code after the CloudFront…
Clusters / ECS Container Agents
In AWS, an ECS Cluster is a logical grouping of tasks or services. If you run tasks or create services, you do it inside a cluster, so it's a vital building block of the Amazon ECS infrastructure. It serves as a namespace for your tasks and services, as these entities cannot span multiple clusters. The Amazon ECS…
Tasks
Tasks in Amazon ECS are the instantiation of a task definition within a cluster. They can be thought of as the running instance of the definition, the same way an object is an instance of a class in object-oriented programming. A task definition is a text file in JSON format that describes one or more containers,…
Services
AWS ECS Services are defined as a set of part or all of your task definitions that run and maintain a specified number of instances of a task definition simultaneously in an Amazon ECS cluster. If any of your tasks should fail or stop for any reason, the Amazon ECS service scheduler launches another instance of…
Launch Config / Autoscaling Groups
Launch Configuration is a template that an Auto Scaling group uses to launch EC2 instances. When you create a launch configuration, you specify information for the instances such as the ID of the Amazon Machine Image (AMI), the instance type, a key pair, one or more security groups, and a block device mapping. If…
Fargate
Fargate is a technology used for the deployment of containers in Amazon's Elastic Container Service (ECS). This technology completely removes the need to manage the EC2 instances for your infrastructure; therefore, you would not have to be concerned about selecting the right type of EC2 instances, deciding when to…
Questions about the AWS Roadmap for Beginners
Is the AWS Roadmap for Beginners free?
Yes. All 101 lessons in this roadmap are free to read on Bibha AI Learning Labs, with no account and no payment. Signing in is optional: it lets you mark lessons as done and keep your progress, and it opens the AI tutor, which runs on your own API key.
How long does the AWS Roadmap for Beginners take?
There is no fixed duration. It has 101 lessons in 18 stages, and the time it takes depends on how many hours you give it each week. Nothing is locked, so you can skip what you already know, and your progress is saved once you sign in.
Where should I start the AWS Roadmap for Beginners?
Start with stage 1, Introduction, and work down in order. The stages are numbered in the order the roadmap suggests, but every lesson is open, so if you already know Introduction you can go straight to EC2 or anything after it. Each lesson links to free resources for going deeper.
Can I learn AWS in Hindi?
The lessons are written in English. Once you sign in, you can ask the AI tutor on any lesson to explain it in Hindi or Hinglish. It answers from that lesson’s own text, so the explanation stays on the syllabus. The tutor runs on your own Google, OpenAI or Anthropic key.