After setting up everything correctly, you may have ‘Missing Authentication Token Error’ when you call the custom domain while the endpoint from API gateway works. Surprisingly, this is one of the most common errors I have seen, yet not very well documented. So, here it is. When you encounter this …

Hosting a static website in S3 is a great way to deliver static web content to the world. Hosting a website in S3 is fairly simple. However, if you want to set up SSL certificate and your own custom domain name, you need to do a bit of configuration. AWS …

AWS CloudFormation let us create AWS resources with JSON or YAML files. With CloudFormation, you can create and update your AWS infrastructure by code. In the previous post, we discuss how we can create publicly available RDS (How to Make RDS in Private Subnet Accessible From the Internet). In this …

When you have RDS in a private subnet, you cannot access from the Internet. Accessing RDS from the Internet is not necessary and is not a good practice if it is used for the application backend. However, your RDS is an analytics database and needs to be accessed by another …

Now that we can launch a bootstrapped EC2 (How To Launch EC2 With Bootstrapping in AWS) with AWS CLI, let’s explore how to launch Postgres RDS with AWS CLI. As in the previous post, we can basically code infrastructure and resources in AWS. This is a step toward coding up …

When you launch an AWS resource (EC2 or RDS), you will have an instance with a default configuration. Then, you have to install software and do custom configuration to bring it to a certain state. Bootstrapping enables you to script software installation and configuration and execute it while launching the …

After setting up VPC, Internet Gateway, Subnets, Route Tables (see here), we need to set up Network Access Control Lists (NACLs) for the subnets and Security Group for EC2 and RDS. This is a step in How To Create Your Personal Data Science Computing Environment In AWS. NACLs are at …

Let’s launch a Postgres RDS in AWS. You will get 750 hours of Amazone RDS Single-AZ db.t2.micro instance as part of 12 month free tier. You also have a bit of options (MySQL, MariaDB, or SQL Server). I am choosing Postgres here. Amazon RDS makes it easy to set up …

Let’s launch an Linux EC2 Instance From AMI. In this example, I am launching Linux Centos 7 from Amazone Machine Image. You can choose whichever OS you want for the use case we’ve been working on here. As a reminder, this is the plan. We are going to launch EC2 …

Let’s create Elastic Block Store (EBS) volume and attach it to Linux. An EC2 instance comes with a storage. But, this storage only persists with the instance. If you need to terminate the instance and start a new one, you will loose the data. If you keep the data in …