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Dong Nguyen
Dong Nguyen

217 Followers

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Self-managed K8S cluster for development environment using AWS EC2

Use Amazon Elastic Kubernetes Service for development environment is not a good choice if the customer or we have not enough credit. The workload for development environment is usually small so we can create 1,2 node to save money. …

Kubernetes

11 min read

Self-managed K8S cluster for development environment using AWS EC2
Self-managed K8S cluster for development environment using AWS EC2
Kubernetes

11 min read


Jan 10

Sync Secret from Vault to K8S using External Secrets Operator

When doing work on many micro services, i have to find a way to manage environment variable for them, previously i used AWS Secret Manager but when working on multiple environment with many account, the effort for manage IAM Account, Role, Permission is very large, so i switched to Vault…

Vault

6 min read

Sync Secret from Vault to K8S using External Secrets Operator
Sync Secret from Vault to K8S using External Secrets Operator
Vault

6 min read


Dec 23, 2022

Get a free TLS certificate with acme.sh

When i’m using Azure Cloud, they do not provide a free certificate that can be used with their service, unlike AWS, so we need to find a way to get a free TLS certificate. Luckily when i go around the internet, i saw acme.sh, this is a ACME client that…

Tls

6 min read

Get a free TLS certificate with acme.sh
Get a free TLS certificate with acme.sh
Tls

6 min read


Nov 15, 2022

Create a Kafka cluster for development with Docker Compose

This article assume that you have basic knowledge about Kafka, and Docker Compose, for development environment, there is no strict requirement about high availability and durability, we will try to make our cluster same as production, staging environment as much as possible. Our infrastructure architecture is very simple, there is…

Kafka

7 min read

Create a Kafka cluster for development with Docker Compose
Create a Kafka cluster for development with Docker Compose
Kafka

7 min read


Nov 13, 2022

How to grant enough permission for developer on Bastion Host

In production environment, the access is private by default, developer usually have not permission to access to the database, search engine, or the running application. In case to debug application, running specific query on database, devops need to provide access for developer to able to access to this resource. So…

Ssh

4 min read

Ssh

4 min read


Aug 13, 2022

Blue/green deployment with HA Proxy.

First, let finding what is blue/green deployment. A blue/green deployment is a deployment strategy in which you create two separate, but identical environments. One environment (blue) is running the current application version and one environment (green) is running the new application version. Using a blue/green deployment strategy increases application availability…

Blue Green Deployment

9 min read

Blue/green deployment with HA Proxy.
Blue/green deployment with HA Proxy.
Blue Green Deployment

9 min read


Dec 22, 2020

Chuyện mấy con Consumer

Vào một ngày đẹp trời, đang ngồi code lan man mình nhận được thông báo từ xếp, một con service tracking của một project cũ đang gây nghẽn database, chuyện là cty đó đang ăn nên làm ra traffic vô site tăng gấp 15 lần, user tương tác nhiều dẫn…

5 min read

5 min read


Sep 1, 2020

A day in the life of a Software Engineer

Tiếp nối seri https://slack.engineering/a-day-in-the-life-of-a-backend-product-engineer-at-slack/ sau bài của ông anh @ldhnam thì mình ra bài này, cơ hội để viết một bài mới sau chuỗi vài tháng không động gì đến blog. 5h30 Thức dậy, mặc giày làm 1 vòng từ nhà lên cầu Calmette rồi lại xuống cầu Nguyễn Văn Cừ. Sau đó ghé vô con hẻm ăn sáng sau đó thì lướt twitter, mấy blog của mấy ông anh. Tầm 6h30 thì về nhà.

1 min read

1 min read


Apr 14, 2020

Viết một con Bash Script back up Mongo Database đơn giản.

Chả là mấy ngày nay chả làm ăn được gì, hôm qua mở cửa hàng ra bán thì quản lí thị trường cứ lòng vòng nên cũng đóng luôn, hên sao ông anh rủ làm freelancer cho một project về academy video, hai ngày đầu code ngon lành server chạy…

5 min read

Viết một con Bash Script back up Mongo Database đơn giản.
Viết một con Bash Script back up Mongo Database đơn giản.

5 min read


Apr 5, 2020

Docker to Serverless (Google Cloud Platform)

Hi xin chào các bạn sau chuỗi ngày dài trốn dịch thì mình đã quay trở lại, chợ bị yêu cầu đống cửa, chả buôn bán được gì nên mình lại có thời gian rảnh để mà vọc vạch, tình cờ nghe ông anh nói qua serverless đồ các kiểu…

6 min read

Docker to Serverless (Google Cloud Platform)
Docker to Serverless (Google Cloud Platform)

6 min read

Dong Nguyen

Dong Nguyen

217 Followers

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