DevOps

DevOps is a set of practices that combine software development (Dev) and IT operations (Ops). It aims to shorten the systems development life cycle and provide continuous delivery with high software quality.

GitHub: https://github.com/topics/devops
Wikipedia: https://en.wikipedia.org/wiki/DevOps
Related Topics: ci, cd, cicd, devsecops, gitops, chatops, test-automation, static-code-analysis, release-automation, infrastructure-as-code,
Aliases: dev-ops,
Last updated: 2026-06-23 00:08:22 UTC
JSON Representation

https://github.com/fortify/fortifytoolsinstaller

Deprecated; please use 'fcli tool * install' commands provided by fcli (https://github.com/fortify-ps/fcli) instead

application-security appsec ci cicd devops devsecops fortify fortify-integration

Last synced: 02 Sep 2025

https://github.com/heyvaldemar/disable-inactive-users-active-directory

Automatically Disabling Inactive User Accounts in Active Directory

account accounts active-directory automation automation-scripts azure azure-devops devops devops-pipeline disable-user inactive-user-access microsoft microsoft-azure organization-unit powershell powershell-adminscripts powershell-script users windows windows-server

Last synced: 16 Feb 2026

https://github.com/itsjwala/dragonballworld

My personal server setup

ansible consul devops hashicorp home-server infrastructure infrastructure-as-code nomad raspberry-pi terraform

Last synced: 06 May 2026

https://github.com/turbot/flowpipe-mod-teams

Microsoft Teams pipeline library for the Flowpipe cloud scripting engine. Automation and workflows to connect Microsoft Teams to the people, systems and data that matters.

automation cloud devops flowpipe flowpipe-mod hacktoberfest integrations low-code microsoft-teams orchestration pipelines security teams workflow workflow-automation workflow-engine

Last synced: 28 Feb 2026

https://github.com/heyvaldemar/zabbix-traefik-ssl-certificate-docker-swarm

Zabbix with SSL Certificate in a Docker Swarm

containerization containers devops docker docker-compose docker-container docker-hub docker-image docker-registry dockerfile environment-variables healthcheck letsencrypt letsencrypt-certificates traefik yaml zabbix zabbix-agent zabbix-frontend zabbix-server

Last synced: 13 Apr 2026

https://github.com/marcinbojko/pld

Prepare Linux Desktop - ansible role for Linux Mint and Zorin OS

ansible cloud daily-driver devops devops-tools linux mint workstation zorin zorin-os

Last synced: 30 Jan 2026

https://github.com/vaccovecrana/opt1x

Config management, minus the pain

config-management devops microservices spring-boot spring-cloud

Last synced: 12 Jan 2026

https://github.com/brucehaley/exportpipelinedefinitions

Export all Azure DevOps pipeline definitions so they can be searched globally

azure azure-devops definition-pipeline devops global-search indexer pipeline search tool

Last synced: 19 Apr 2025

https://github.com/turbot/flowpipe-mod-opsgenie

Opsgenie pipeline library for the Flowpipe cloud scripting engine. Automation and workflows to connect Opsgenie to the people, systems and data that matters.

automation cloud devops flowpipe flowpipe-mod hacktoberfest integrations low-code opsgenie opsgenie-api orchestration pipelines security workflow workflow-automation workflow-engine

Last synced: 30 Jan 2026

https://github.com/greenbone/autohooks-plugin-pytest

automation devops extended hooks python

Last synced: 10 Oct 2025

https://github.com/deep-on/dockprobe

Lightweight Docker monitoring dashboard with anomaly detection & Telegram alerts. One-liner install, zero config.

anomaly-detection container dashboard devops docker fastapi lightweight monitoring self-hosted telegram

Last synced: 04 Apr 2026

https://github.com/getgort/getgort.github.io

The user documentation for Gort.

bot-framework chat-bot chatbot chatbot-framework chatops devops devops-tools slack slack-bot

Last synced: 14 Apr 2025

https://github.com/woodprogrammer/redis-sentinel-k8s-extension

This repository contains implementation of redis sentinel mode

devops distributed-systems kubernetes platform redis

Last synced: 09 Apr 2026

https://github.com/abhinav-26/accuracy-achiever

Accuracy Achiever is an Automation Project of MLOps build by Integrating Machine Learning and DevOps.

accuracy-achiever devops hactoberfest hactoberfest2020 machine-learning machine-learning-with-devops mlops

Last synced: 14 Jul 2025

https://github.com/noovertime7/workflow

可视化编辑CICD工作流前端项目

devops workflow

Last synced: 01 Apr 2025

https://github.com/dennyzhang/directory-cli-tool

:file_folder: CLI tools for directories

devops folder python

Last synced: 30 Jul 2025

https://github.com/dpritchett/tagflow.wow

😮 An extremely tag-based and incredibly eventful build and release workflow 🎢 📦 🛳️

circleci continuous-delivery devops git howto release-engineering

Last synced: 12 Oct 2025

https://github.com/e-t-y-b/etyb-skills

ETYB — virtual engineering company for AI coding agents. 31 skills: CTO + 20 specialists + 9 engineering disciplines. Claude Code, Codex, Antigravity.

agentskills ai-agent architecture claude-code code-review devops engineering google-antigravity openai-codex quality-gates sdlc security tdd verification virtual-team

Last synced: 16 May 2026

https://github.com/wandapeter/hardened-ubuntu-server-dokku

🐋 hardened ubuntu server dokku | This repository contains scripts, configuration templates, and documentation used for the initial setup of a hardened Ubuntu 22.04 LTS server using the Dokku service to host websites in a secure production environment.

aide certbot cis-benchmark cis-level2 devops docker hardened hosting modsecurity modsecurity-nginx nginx security ubuntu-server vps

Last synced: 14 Apr 2026

https://github.com/hamdiz0/qr-code-generator

A containerized app that generates QR codes with urls as an input ,Built ,Pushed and Deployed with a CI/CD Pipeline using Docker ,Jenkins and an EKS cluseter set up with Terrafrom .This repo contains details on running this app using docker compose along with steps to deploy it on vercel and render

api devops docker docker-compose front jenkins nextjs postgresql python render vercel

Last synced: 13 Feb 2026

https://github.com/avinash6784/ansible-role-logstash

An Ansible Role that installs Logstash on RedHat/CentOS

ansible ansible-role devops elk logstash monitoring

Last synced: 03 Aug 2025

https://github.com/ndejong/pfsense_fauxapi_packages

Packages for pfSense-FauxAPI

api devops pfsense pfsense-fauxapi

Last synced: 19 Jan 2026

https://github.com/bdashrad/cry.party

cry.party code and config

devops hacktoberfest hangops

Last synced: 09 Feb 2026

https://github.com/madic-creates/claude-alert-analyzer

AI-powered alert analysis, receives Alertmanager and CheckMK webhooks, gathers diagnostic context, and uses Claude for root-cause analysis via ntfy notifications

alertmanager checkmk claude-ai devops kubernetes monitoring ntfy webhook

Last synced: 05 Jun 2026

https://github.com/orbita-pos/inariwatch

Open source AI monitoring that writes the fix while you sleep

ai alerting devops incident-management monitoring nextjs open-source rust self-hosted typescript

Last synced: 02 Apr 2026

https://github.com/veilair/repos-development

An ongoing curated list of frameworks and libraries, articles and books , talksand screencasts, recordings, blogs and github link repositories, learning tutorials and resources about The Art & Science of Development

developer development devops repository repository-management

Last synced: 29 Jan 2026

https://github.com/shaikahmadnawaz/aws-file-uploader

File Management with AWS S3, Node.js & React: Upload & Download

aws aws-s3 awssdk devops expressjs filedownloader filesystem fileuploader nodejs react webdevelopment

Last synced: 23 Apr 2025

https://github.com/vishal815/vishal-lazrus-portfolio

As a DevOps and Machine Learning Enthusiast, dedicated to gaining expertise in cutting-edge technologies that will shape the future of the industry. With a passion for innovation and problem-solving, also committed to continuous learning and professional development I am a motivated and versatile individual, always eager to take on new challenges.

b-tech collage deployed devops end-to-end firebase github-portfolio machine-learning mongodb porfolio portfolio-website potfolioweb projects react software-engineer software-engineering vercel vishal-lazrus vishallazrus webdevelopment

Last synced: 29 Jan 2026

https://github.com/supernova106/oh-my-troubleshoot

Curated list of troubleshooting

aws devops kubernetes linux

Last synced: 01 Jul 2025

https://github.com/hedzr/bash-framework

minimal starting of bash programming

aws-cn bash centos devops disc-info ops ps1 shell

Last synced: 30 Apr 2026

https://github.com/vaibhavpandeyvpz/larable

Terraform modules and Ansible scripts to orchestrate setup, deployment (and redeployment) of a Laravel project for flat deployments.

ansible cloud devops digitalocean google-cloud-platform laravel mysql php redis terraform ubuntu vps

Last synced: 01 Mar 2026

https://github.com/tamimehsan/learn-devops

azure devops docker docker-compose kubernetes minikube terraform volumes

Last synced: 21 Sep 2025

https://github.com/christosgalano/devops-with-github-example

Example of how someone can leverage GitHub's capabilities to streamline both application and infrastructure development and deployment processes.

bicep devops fastapi github-actions github-security psrule

Last synced: 15 Apr 2025

https://github.com/dmakeienko/tfenvgo

Terraform version manager

devops devops-tools go iac-terraform terraform version-manager

Last synced: 13 Apr 2026

https://github.com/dargstack/dargstack

Deployment automation through Docker Stack.

devops docker documentation hacktoberfest script stack template

Last synced: 11 Mar 2026

https://github.com/azyablov/srljrpc

JSON RPC client library implementation for SR Linux and JSON request message constructor

devops go golang json-rpc srlinux

Last synced: 18 Jun 2025

https://github.com/devops-360-online/packer-proxmox-template-builder

A Packer-based solution for automating the creation of Proxmox VM templates. Simplifies and accelerates VM provisioning, ensuring consistent and reproducible environments for DevOps practices.

automation cloud-computing devops infrastructure-as-code packer proxmox virtualization vm-templates

Last synced: 24 Feb 2026

https://github.com/poluxin21/open-cardinal

Deterministic Sidecar daemon designed for low-infrastructure and high-infrastructure environments. Implements the Observe-Decide-Act (ODA) cycle using Rust (Tokio/Tonic) and LuaJIT for automating critical systems.

devops embedded infra iot lua rust sidecar

Last synced: 20 Feb 2026

https://github.com/pozil/devops-workshop

DevOps workshop with Lightning Web Runtime and GitHub Actions

ci devops github-actions lwr salesforce web-components

Last synced: 29 Apr 2026

https://github.com/axonweb3/axon-cli

A command line interface to manage Axon chain config, deploy and DevOps.

axon blockchain ckb cli crosschain devops web3

Last synced: 08 Apr 2025

https://github.com/Will-Luck/Docker-Sentinel

Container update orchestrator with web dashboard, per-container policies, automatic rollback, lifecycle hooks, Prometheus metrics, and real-time notifications. Written in Go.

containers devops docker docker-updates go homelab self-hosted watchtower-alternative

Last synced: 04 Apr 2026

https://github.com/deepraj1729/learning-devops

An all-in-one repo exploring concepts of DevOps

ci-cd devops docker github-actions jenkins

Last synced: 11 Feb 2026

https://github.com/hamdiz0/learning-devops

A learning-devops repository with resources and examples on tools like Docker, Kubernetes, and Jenkins, covering DevOps concepts like CI/CD pipelines and automation

automation aws build-tools cicd devops docker git jenkins kubernetes linux nexus

Last synced: 16 Feb 2026

https://github.com/whitejdae/ops_tool

🧰 运维小工具

devops go

Last synced: 02 Jun 2026

https://github.com/sumup-oss/janos

Janos K8s migration

api devops devops-tools k8s kubernetes update yaml

Last synced: 06 May 2026

https://github.com/wellcom-rocks/updates-sucks

🔍 Command-line tool for automated software version monitoring across multiple repositories - built for DevOps teams

devops git golang monitoring repositories versioning

Last synced: 14 Jan 2026

https://github.com/mikaelvesavuori/demo-dorametrix-action

Demonstrates using the Dorametrix action in a Github Actions build.

demo devops dora dora-metrics dorametrix software-delivery

Last synced: 18 Mar 2026

https://github.com/denisxab/configer

I will not repeat this configuration a second time, enough of the "Boiler Plate code"

config configuration devops

Last synced: 28 Mar 2025

https://github.com/nikhil-prabhu/cloud-detect

A Rust library to detect the cloud service provider of a host.

alibaba-cloud aws azure cloud detection devops gcp hyperscalers metadata multicloud oracle-cloud rust vultr

Last synced: 06 Oct 2025

https://github.com/project-renard/devops

devops release

Last synced: 29 Jul 2025

https://github.com/theuves/psenv

A command-line tool to get parameters from AWS Systems Manager Parameter Store as environment variables.

aws aws-cli aws-ecs aws-ssm aws-ssm-parameter-store ci-cd cli cloud-computing devops ecs environment-variables parameter-store secrets task-definition

Last synced: 09 May 2026

https://github.com/r3drun3/centos_ansible_provisioning

Automate Docker testing with Ansible and Vagrant 🔧🦾

ansible devops docker docker-swarm iaac vagrant

Last synced: 09 Apr 2026

https://github.com/sagar290/cf

CLI tool to update Cloudflare DNS records using Go

cli cloudflare devops dns go

Last synced: 24 Apr 2026

https://github.com/qainsights/becoming-a-performance-engineer

Jump Start your career in Performance Testing and Engineering

cloud devops performance-engineering performance-testing quality-assurance testing

Last synced: 27 Feb 2026

https://github.com/hamdiz0/online-boutique-app

A containerized online boutique app with 11 microservices built ,pushed and deployed with a CI/CD pipline using Docker ,Jenkins ,Nexus , Argocd and an on premesis Kubernetes cluster setup with kubeadm using vagrant

argo cicd devops docker jenkins kubeadm-cluster kubernetes script sonatype-nexus vagrant yaml

Last synced: 13 Feb 2026

https://github.com/ruanbekker/docker-remote-tunnel

Run Remote Docker commands via a SSH Tunnel

cicd devops devops-tools docker docker-swarm ssh ssh-tunnel tooling

Last synced: 24 Apr 2025

https://github.com/turbot/flowpipe-mod-entra

Microsoft Entra ID pipeline library for the Flowpipe cloud scripting engine. Automation and workflows to connect Microsoft Entra ID to the people, systems and data that matters.

automation cloud devops entra flowpipe flowpipe-mod hacktoberfest integrations low-code microsoft-entra orchestration pipelines security workflow workflow-automation workflow-engine

Last synced: 01 Mar 2026

https://github.com/mr-alham/mr-alham

cloud cybersecurity devops github linux networking portfolio portfolio-website

Last synced: 11 Mar 2026

https://github.com/hypersec-io/dfe-developer

Developer environment automation for HyperSec's Data Fusion Engine (DFE) platform

ansible automation developer-tools devops dfe fedora macos multi-platform ubuntu

Last synced: 09 Feb 2026

https://github.com/fusakla/coordinator

Tool to coordinate on-call, incident and maintenance management

alerting communication coordination dashboard devops oncall sre

Last synced: 22 Apr 2026

https://github.com/quadnix/octo

An infrastructure management and CICD tool.

aws cicd devops devops-tools iac infrastructure

Last synced: 18 Feb 2026

https://github.com/greynewell/claude-software-factory

Open an issue. Get a pull request. 6 GitHub Actions workflows that turn any repo into a self-running software factory powered by Claude Code.

ai ai-coding automation claude claude-code devops github-actions github-template software-factory template

Last synced: 06 Mar 2026

https://github.com/rasheedamir/fullstack-secdevops-path

learning path to become a fullstack secdevops egineer

devops fullstack fullstack-developer secdevops

Last synced: 03 Mar 2026

https://github.com/mikeroyal/hpe-guide

Hewlett Packard Enterprise (HPE) Cloud Guide

cloud devops hpe hpe-oneview hpe-oneview-api hpe-synergy kubernetes paas

Last synced: 22 Jun 2025

https://github.com/sagargupta16/deploy-guide

Step-by-step deployment guides for every platform - 25+ guides for GitHub Pages, Vercel, Render, Railway, Netlify, AWS, and more

aws cloud deploy deployment devops free-hosting github-pages guides hosting netlify railway render tutorial vercel

Last synced: 03 May 2026

https://github.com/mchmarny/artomator

Automates creation of Software Bill of Materials (SBOM) with Binary Authorization attestation for container images in Artifact Registry.

artifact authorization devops gcp google-cloud-platform pubsub registry sbom

Last synced: 23 Mar 2026

https://github.com/vchokshi/crispy-computing-machine

My very own crispy computing machine

ansible artificial-intelligence aws azure builder cybersecurity data-protection devops digitalocean gcp iac infastructure-as-code observability terraform

Last synced: 09 Apr 2025

https://github.com/tasdikrahman/opencv3-ansible-vagrant-playbook

Ansible playbook for configuring OpenCV 3.1.0 with python3 on top of a Ubuntu 14.04.05 vagrant box/your preferred cloud service (AWS/DO droplet etc.)

ansible devops opencv python vagrant

Last synced: 11 Apr 2026

https://github.com/xnetvn-com/xnetvn_monitord

A lightweight Linux monitoring daemon for servers that monitors system resources and services, automatically restarts failed services, and sends alerts via multiple notification channels.

alerts auto-restart devops health health-check hestiacp linux linux-daemon linux-monitoring monitoring monitoring-daemon self-healing server server-monitoring service-monitoring sysadmin systemd telegram webhook xnetvn

Last synced: 01 Apr 2026

https://github.com/chaos4455/ai-infra-automation-toolbox

💡 AI-Infra-Automation-Toolbox é um repositório dedicado à automação de infraestrutura utilizando inteligência artificial. Contém scripts, templates e ferramentas para deploy de ambientes Docker, Kubernetes e Google Cloud, com integração à Google Gemini API para geração de arquivos YAML, configurações. Simplifique seu fluxo de trabalho DevOps com

ai-infrastructure automation ci-cd devops docker gemini-api google-cloud infrastructure-as-code kubernetes yaml

Last synced: 04 Jan 2026

https://github.com/fluent-ci-templates/gleam-pipeline

A ready-to-use CI/CD Pipeline and jobs for Gleam projects.

cicd deno deno-module devops gleam pipeline typescript

Last synced: 03 Mar 2026

https://github.com/inkel/escat

Query Elasticsearch cat APIs with ease and joy.

devops devops-tools elasticsearch go golang golang-application

Last synced: 29 Apr 2026

https://github.com/GeiserX/spinnaker-mcp

MCP Server for Spinnaker — manage applications, pipelines, and deployments via the Model Context Protocol

ai automation ci-cd cloud-native continuous-delivery deployment devops docker go golang infrastructure kubernetes llm mcp mcp-server model-context-protocol pipeline self-hosted spinnaker spinnaker-gate

Last synced: 12 Jun 2026

https://github.com/lifailon/deploy-selenium

Deploy drivers selenium and chrome via PowerShell.

deploy deployment devops devops-tools devtools install installer powershell selenium testing windows

Last synced: 08 May 2026

https://github.com/shopdevs/multi-shop-cli

CLI tool for contextual development and automated shop management for multi-shop Shopify themes

automation cli-tool developer-tools devops multi-shop nodejs shopify shopify-theme-development shopify-themes-maintenance theme-development typescript

Last synced: 29 Apr 2026

https://github.com/tyxak/remotepower

Self-hosted remote device management for Linux — shutdown, reboot, WoL, monitoring, CVEs, patches, etc. agent self-update — PIN enrollment, no inbound firewall rules, Nginx + Python CGI

calendar cmdb cve devops homelab linux monitoring nginx patches patching python redhat remote-management self-hosted service-monitoring sysadmin tasks ubuntu vault wake-on-lan

Last synced: 24 May 2026

https://github.com/se7entyse7en/prometheus-k8s-service-discovery

Kubernetes service discovery in Prometheus

devops kubernetes monitoring prometheus

Last synced: 11 Mar 2026

https://github.com/jekuer/angular-azure-webapp-bitbucket-pipelines

Bitbucket pipelines to deploy your angular application to Microsoft Azure Webapps.

angular azure bitbucket ci cicd devops ssr

Last synced: 05 Feb 2026

https://github.com/licenseware/kubectl

Minimal Alpine-based Docker image for kubectl with automatic updates, Cosign signing, and security scanning

alpine-linux automation ci-cd cloud-native container container-security cosign devops docker docker-image github-actions image-signing k8s kubectl kubernetes kubescape minimal security supply-chain-security vulnerability-scanning

Last synced: 08 Oct 2025

https://github.com/uldyssian-sh/vmware-vsphere-8-stig-auditor

vSphere 8 STIG compliance auditing and validation suite with automated security assessments

audit auditing automation compliance devops infrastructure security stig tools validation vmware vsphere8

Last synced: 06 Oct 2025

https://github.com/dargstack/dargstack_template

A template for Docker stack project layouts.

devops docker hacktoberfest script stack template

Last synced: 29 Jul 2025

https://github.com/dedalus-labs/slurmq

Quota monitoring and management for Slurm

cli devops gpu hpc monitoring quota slurm tooling

Last synced: 13 Jan 2026

https://github.com/glueops/glueops-dev

This repository contains the GlueOps documentation website built using Docusaurus 2. It provides comprehensive guides and tutorials for deploying and managing applications using the GlueOps platform. The site includes setup instructions, configuration details, and best practices for GitOps workflows.

allow-auto-merge dataops devops documentation docusarus gitops javascript static-site static-site-generator

Last synced: 09 May 2026

https://github.com/pluginagentmarketplace/custom-plugin-devops

DevOps automation plugin for Claude AI - CI/CD, deployment, monitoring, and infrastructure management tools for plugin development

ai automation ci-cd claude deployment development devops infrastructure marketplace plugin

Last synced: 18 Jan 2026

https://github.com/theinvincibleknight/aws-knowledge-hub

This repository serves as a central hub for storing AWS-related scripts, documents, guides, and step-by-step tutorials. This repository aims to simplify AWS operations and empower users with practical knowledge and tools. Explore, contribute, and accelerate your journey with Amazon Web Services!

amazon-web-services automation aws ci-cd-pipeline devops json shell-script tutorial

Last synced: 01 Mar 2026

https://github.com/hewlettpackard/oneview-ansible-debian

Docker image for HPE oneview-ansible modules on Debian

ansible devops hpe-oneview

Last synced: 26 Apr 2025

https://github.com/jwplayer/verneutil

Ruby virtual environments

devops

Last synced: 02 Mar 2026

https://github.com/intergral/deep-python-client

Python client for DEEP.

debug devops monitoring

Last synced: 14 Apr 2025

https://github.com/jbris/pymc-mlflow-deployment

Testing deployment of PyMC models using MLFlow and BentoML.

bayesian-inference bayesian-statistics bentoml bentoml-service boto3 botocore devops docker hydra minio minio-server mlflow mlflow-tracking mlflow-tracking-server mlops mlops-workflow pymc pymc-experimental

Last synced: 13 May 2026

https://github.com/tbrand/famo

Command line tool for caching builds on S3

cache ci-cd command-line-tool devops rust s3

Last synced: 27 Jun 2025

https://github.com/composepack/composepack

Dynamic templating and packaging for Docker Compose. Manage complex configurations with values.yaml defaults and overrides.

config-management configuration devops docker docker-compose infrastructure packaging templating

Last synced: 02 Mar 2026

https://github.com/yagoluiz/rfid-reader-web

Front-end application for presentation services for reading RFID tags / [PT-BR] Aplicação front-end para apresentação de serviços para leitura de tags RFID

angular azure devops microservices

Last synced: 10 Apr 2026

https://github.com/pgilad/terraform-docker-swarm

Create EC2 terraform for docker swarm

aws devops docker docker-swarm ec2 infrastructure-as-code terraform

Last synced: 04 May 2026

https://github.com/miqdadprojects/kodekloud-eng-100-days-devops

A comprehensive collection of hands-on tasks and projects completed during the KodeKloud eng 100 Days of DevOps challenge. This repository covers practical skills in Linux, Docker, Ansible, Git, Kubernetes, AWS, Grafana, CI/CD pipelines, and more, aimed at mastering DevOps tools and practices.

100-days-of-devops ansible aws ci-cd devops docker grafana kodekloud-engineer kubernetes linux mariadb terraform

Last synced: 16 Sep 2025

https://github.com/jasalt/bvv

WordPress development environment CLI helper tool for VVV (Vagrant).

bash developer-tools devenv devops lemp vagrant wordpress

Last synced: 06 Sep 2025

https://github.com/aaronlmathis/kaptn

A secure, (eventually)production-ready Kubernetes admin dashboard that can observe cluster state and perform safe operational actions. Built with Go backend (client-go + WebSockets) and Astro + React + Shadcn frontend (TypeScript + Tailwind CSS).

devops devops-tools docker k8s k8s-cluster kubernetes kubernetes-cluster observability