Đặng Minh Dũng dungdm93

name	GitLab Runner Codebase Deep Dive
description	Conversation notes on what GitLab Runner does and how it executes CI jobs — entrypoint, build flow, and executor internals
type	project
originSessionId	33921352-0ffd-4509-a7a3-4d2b4dfff777

GitLab Runner is the official CI/CD job executor for GitLab, written in Go. It picks up CI/CD jobs from a GitLab instance, executes them, and streams results back.

chainguard

❯ crane digest cgr.dev/chainguard/python:latest
sha256:4cd9986c4e8c6c5f091a46f38f19b212e0f46a21e8e6e540596f266a123781c2

Image manifest

kafkacat -b bootstrap.kafka.host:9092 \
  -C -t topic \
  -s avro -r http://schema-registry.host:8081 \
  -f '
  Key (%K bytes): %k
  Value (%S bytes): %s
  Timestamp: %T
  Partition: %p
 Offset: %o

tar

# extract
tar -xvf archive.tar

# List files in archive.tar
tar -tvf archive.tar

# compress
tar -cvf archive.tar foo bar

PostgreSQL

Monitoring Progress of Index Construction

PostgreSQL 12+

SELECT 
  now()::TIME(0), 
  a.query, 
  p.phase, 
  p.blocks_total, 
  p.blocks_done,

plugins {
  id "com.dorongold.task-tree" version "1.5"
}

task resolveDependencies {
    setDescription "Resolves all projects dependencies from the repository."
    setGroup "Build Server"

 doLast {

Canonical regex

/^
(?'MAJOR'
    0|(?:[1-9]\d*)
)
\.
(?'MINOR'
 0|(?:[1-9]\d*)

	{
	"environmentVariables": [
	{
	"type": 2,
	"file": 1,
	"line": 7,
	"col": 3,
	"map": [
	{
	"key": {

	format = """
	$username\
	$hostname\
	$directory\
	$git_branch\
	$git_commit\
	$git_status\
	$git_state\
	$kubernetes\
	$golang\

	-- Show all databases
	SELECT
	database_id,
	name,
	create_date
	FROM sys.databases;
	--or using Stored Procedure
	EXEC sp_databases;

	-- Switch database