Mastering DevOps Bridging Development and Operations

CI/CD (Continuous Integration / Continuous Deployment) Tools
These tools help automate building, testing, and deploying code.
Tool Description

Jenkins Open-source automation server for CI/CD.
GitLab CI/CD Integrated CI/CD with GitLab repositories.
GitHub Actions CI/CD workflows directly in GitHub.
CircleCI Fast and scalable CI/CD for modern applications.
Travis CI CI/CD for GitHub projects (open-source friendly).
Bitbucket Pipelines CI/CD built into Bitbucket.
TeamCity JetBrains tool for CI/CD pipelines.
Drone CI Container-native CI/CD tool.
 
Infrastructure as Code (IaC) Tools
Define and manage infrastructure through code.
Tool Description
Terraform Declarative IaC tool by HashiCorp.
Pulumi IaC using general-purpose programming languages.
AWS CloudFormation AWS-native IaC service.
Azure Bicep Declarative IaC for Azure resources.
Crossplane Kubernetes-native IaC and control plane.
 
Configuration Management Tools

Automate system configuration and software installation.
Tool Description
Ansible Agentless automation and configuration management tool.
Chef Ruby-based infrastructure automation.
Puppet Declarative configuration management tool.
SaltStack Fast and scalable automation for infrastructure.
 
Containerization & Virtualization
Package applications and dependencies together.
Tool Description
Docker Platform for building, shipping, and running containers.
Podman Daemonless container engine, compatible with Docker.
Vagrant Tool for managing virtual machine environments.
LXC/LXD Lightweight virtualization using Linux containers.
 
Container Orchestration
Manage and scale containers across clusters.
Tool Description
Kubernetes (K8s) Open-source system for container orchestration.
Docker Swarm Native Docker clustering.
OpenShift Enterprise Kubernetes platform by Red Hat.
Nomad Lightweight scheduler by HashiCorp.
 
Artifact Repositories
Manage build artifacts, packages, and containers.
Tool Description
JFrog Artifactory Universal artifact repository.
Nexus Repository Binary repository manager by Sonatype.
GitHub Packages Host and manage packages with GitHub.
Harbor Open-source container image registry.
 
Monitoring & Logging Tools
Observe, monitor, and troubleshoot systems and applications.
Tool Description
Prometheus Monitoring system with time-series DB.
Grafana Visualization and dashboard tool.
ELK Stack (Elasticsearch, Logstash, Kibana) Powerful logging and search stack.
Loki Prometheus-style logging system.
Datadog Cloud monitoring and security platform.
New Relic Full-stack observability.
Splunk Advanced log search and monitoring tool.
 
Security & Secrets Management
Manage credentials, secrets, and access control.
Tool Description
HashiCorp Vault Secrets management and encryption.
AWS Secrets Manager Store and manage secrets for AWS apps.
Doppler Universal secrets manager.
CyberArk Conjur Secrets management for DevOps.
 
Cloud DevOps Tools (Platform-specific)
Managed DevOps services from cloud providers.
Platform Tools
AWS CodePipeline, CodeBuild, CodeDeploy, CloudFormation
Azure Azure DevOps, Azure Pipelines, ARM Templates
Google Cloud Cloud Build, Cloud Deploy, Deployment Manager
 
Testing Tools (in CI/CD)
Integrated testing during pipelines.
Tool Description
Selenium Web app testing automation.
Postman API testing automation.
JUnit / PHPUnit / Mocha / Jest Unit testing libraries by language.
Cypress Frontend testing framework.