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COPPER Nguyen

16 posts
Sync secret from AWS Secret Manager to K8S.
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Sync secret from AWS Secret Manager to K8S.

In the previous post, i showed how we synchronize secret from Vault to k8s, today with external-secrets.io i will guide you how to sync secret from AWS Secret Manager to k8s. I will use minikube for d
COPPER Nguyen
Setup GitLab CE using Docker
AWS
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Setup GitLab CE using Docker

When working on new project, i am always prefer to use GitLab as git repository and CICD platform, if there is no gitlab server or we are now allowed to use Gitlab saas, it's time for me to deploy sel
COPPER Nguyen
Stream log from file to Elastic Search
Docker
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Stream log from file to Elastic Search

Sometime we need to find a way to centralize all log from application no matter what is  the kind of deployment they are, from a process on a Virtual Machine to a containerized application. Today in t
COPPER Nguyen
Proxy gRPC traffic with Kong Gateway
AWS
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Proxy gRPC traffic with Kong Gateway

We usually use gRPC for internal service communication, but sometime we need to expose the connection for 3rd party or another client to connect. The architecture is almost same as the image below. We
COPPER Nguyen
PostgreSQL auto failover with repmgr
cloud
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PostgreSQL auto failover with repmgr

When using Postgres SASS we are not care about how cloud provider managed them but one a day, we need to run a postgres cluster on premise, we need to care about that. We setup 2,3 postgres server, on
COPPER Nguyen
Karpenter Just-In-Time Nodes Scale for EKS
AWS
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Karpenter Just-In-Time Nodes Scale for EKS

Karpenter is an open-source node provisioning project built for Kubernetes. Adding Karpenter to a Kubernetes cluster can dramatically improve the efficiency and cost of running workloads on that clust
COPPER Nguyen
Setup Jenkins worker node that support building Docker Image.
devops
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Setup Jenkins worker node that support building Docker Image.

Usually when we setup a Jenkins server, we usually use the master to build jobs. The master node is in charge of scheduling jobs, assigning slave nodes, and sending builds to slave nodes for execution
COPPER Nguyen
Access to Bastion host using AWS SSM.
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Access to Bastion host using AWS SSM.

Usually when developer need to access to the bastion host, we will give them the private key or they give us the public key then we will add the public key to bastion host. But there is another way, i
COPPER Nguyen
Grant access to EKS cluster for Bastion Host.
devops
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Grant access to EKS cluster for Bastion Host.

When you create an Amazon EKS cluster, the AWS Identity and Access Management (IAM) entity user or role, such as a federated user that creates the cluster, is automatically granted system:masters perm
COPPER Nguyen
Setup GitHub Runner on K8S.
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Setup GitHub Runner on K8S.

In this post, i will guide you to install self-hosted github action runner, then setup a simple workflow to run some command on that runner. To setup github action  self-hosted runner, we will use act
COPPER Nguyen