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Installing ArgoCD

1. We will start with launching minikube cluster.

minikube start --driver=docker

2. Create a namespace for argocd

kubectl create namespace argocd

3. Apply ArgoCD manifest installation file from ArgoCD github repository

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1. Start minikube

$minikube start

$minikube status
minikube
type: Control Plane
host: Running
kubelet: Running
apiserver: Running

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.m2/repository/io/opentelemetry/opentelemetry-sdk-trace/1.53.0/opentelemetry-sdk-trace-1.53.0.jar)
2025-09-02T11:41:27.145+07:00  INFO 91609 --- [demo_otel] [main] [ ] i.m.c.instrument.push.PushMeterRegistry  : 
Publishing metrics for OtlpMeterRegistry every 1m to http://localhost:4318/v1/metrics 
with resource attributes {service.name=demo_otel}

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# Start with Green tea
$GOEXPERIMENT=greenteagc go run main.go

2025/08/27 11:01:27 pprof server on :6060
2025/08/27 11:01:27 Server running on :8080 with Green Tea GC enabled
/gc/heap/allocs:bytes = {1 2402052896 <nil>}
/gc/heap/frees:bytes = {1 2396205576 <nil>}
/gc/heap/allocs:objects = {1 22943712 <nil>}
/gc/heap/frees:objects = {1 22922079 <nil>}
/gc/heap/live:bytes = {1 5356376 <nil>}

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Script Explanation: deleted_fd_cleanup.sh

This script helps identify and optionally truncate files that have been deleted but are still held open by processes on a Linux system (commonly causing df to show full disk while du shows much less).

---

Features

1. Detects all (deleted) files currently held open by processes using lsof.
2. Ensures each PID+FD is handled only once to avoid duplicate operations.

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@EnableResilientMethods
class Demo {

  // 5 retry attempts and an exponential back-off strategy with a bit of jitter
  @Retryable(maxAttempts = 5, delay = 100, jitter = 10, multiplier = 2, maxDelay = 1000)
  public void sendNotification() {
      this.jmsClient.destination("notifications").send(...);
  }

  //

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$ollama run gemma3:270m
pulling manifest 
pulling 29005e200100:  22% ▕███████████                                         ▏  52 MB/241 MB  6.1 MB/s     30s

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# ทำการติดตั้งและ config Java 25 :: https://jdk.java.net/25/

$javac -version
javac 25

$java -version                     
openjdk version "25" 2025-09-16
OpenJDK Runtime Environment (build 25+35-3488)
OpenJDK 64-Bit Server VM (build 25+35-3488, mixed mode, sharing)

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# Update go 1.25
$go env -w GOTOOLCHAIN=go1.25.0
$go version
go version go1.25.0 darwin/arm64

# เปิด Go doc
$go doc -http                  
doc: Documentation server listening on addr http://localhost:61699

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// Install
$npm install -g @byterover/cipher

// Verify
$cipher --version
0.1.1

// Config API Key for OpenAI in file .env
OPENAI_API_KEY=your_openai_api_key
ANTHROPIC_API_KEY=your_anthropic_api_key