Cloud, Kubernetes, and platform engineering.

Senior-engineer field notes on cloud, Kubernetes, AWS, Terraform, and platform engineering by Ercan Ermis.

All posts

111 posts

Issue a Let's Encrypt SSL with the AWS Route53

In this article, I want to tell you how you can issue a Let's Encrypt SSL with the AWS Route53 service. Let's start to learn.

Jul 16, 2022 3 min

Automate Let's Encrypt SSL on AWS Application Load Balancer

In this article, you can automate all of Let's Encrypt issuing operations for AWS Application Load Balancer and learn how you can manage the..

Jul 02, 2022 7 min

Deploy a website to S3 and CloudFront with Bitbucket Pipelines

In this article, you will learn how you can deploy your static website to the S3 Bucket and Cache Invalidation automatically...

Jun 23, 2022 3 min

Protect your AWS Account with specified IPs

You will learn, how you can protect your AWS account and the resources in the cloud with IAM Policy. Security is the first th...

Jun 16, 2022 2 min

Differences between AWS CLI v1 and v2

What v2 gives you that v1 does not: no Python interpreter to install, auto-prompt, config import, YAML output and ddb commands. Plus when upgrading is worth it.

Jun 09, 2022 2 min

SSL CA Problem on CentOS7 Docker and Solution

CentOS 7 containers on Apple Silicon fail every HTTPS call with curl error 77. The fix is one empty file under /etc/sysconfig, and here is what it triggers.

Mar 08, 2022 2 min

What do I have?

Apple MacBookPro M1, Dell XPS13 4K, Juniper SRX-110, Xiaomi 4A Router, Dell Pivot Monitor, Logitech MX Keys, Logitech MX Master 3.

Jul 20, 2021 4 min

I'm officially AWS Community Builder!

This morning, I've got an e-mail from @JasonDunn about the AWS Community Builder program. I don't remember when I applied to this program but

May 15, 2021 2 min

Deploy HA nginx to AWS ECS with Geolocation Routing via Terraform

You can deploy the nginx docker image in two different regions in AWS. If you need, you can add more region support by yout self...

May 12, 2021 1 min

Deploy nginx docker to AWS ECS with Terraform Automation

You can understand how you can deploy nginx docker to AWS ECS with terraform easily. The terraform will handle everything what you need.

May 11, 2021 2 min

More from Ercan

Two more sites, same author, different ground.