🛠️ Day 17 – DevOps Tool Overview | 100 Days of DevOps
Ritesh Singh
Welcome to Day 17 of my 100 Days of DevOps journey!
Today was about stepping back and looking at the entire DevOps toolchain — what tools are used, when, and why they matter.
🔄 DevOps Lifecycle + Tools Mapping
| Stage | Description | Example Tools |
| Plan | Project planning, issue tracking | Jira, Trello, GitHub Projects |
| Code | Version control & collaboration | Git, GitHub, GitLab, Bitbucket |
| Build | Compile source code into artifacts | Maven, Gradle, Jenkins |
| Test | Automated testing | JUnit, Selenium, Postman, SonarQube |
| Release | CI/CD orchestration | Jenkins, GitHub Actions, GitLab CI |
| Deploy | Infrastructure deployment | Docker, Kubernetes, Ansible, Helm |
| Operate | Infra provisioning & config mgmt | Terraform, CloudFormation, Packer |
| Monitor | Metrics & logging | Prometheus, Grafana, ELK, Loki |
| Secure | Security, secrets, vulnerability | Vault, Trivy, Snyk, Aqua |
🧰 Core Tools to Know
🔸 Version Control
- Git, GitHub, GitLab
🔸 CI/CD
Jenkins
GitHub Actions
GitLab CI
🔸 Containers & Orchestration
Docker
Docker Compose
Kubernetes
Helm
🔸 Infrastructure as Code (IaC)
Terraform
Ansible
Packer
🔸 Monitoring & Logging
Prometheus
Grafana
ELK Stack (Elasticsearch, Logstash, Kibana)
Fluentd, Loki
🔸 Security
HashiCorp Vault
Trivy
Snyk
🧠 Why DevOps Needs Tools
Tools help implement:
✅ Automation
✅ Speed
✅ Collaboration
✅ Feedback loops
✅ Security and reliability
They empower DevOps principles, but culture always comes first.
📌 Summary
✅ Understood DevOps lifecycle stages
✅ Mapped popular tools to each stage
✅ Learned what each tool category does
✅ Set the stage for diving deep into each tool from Day 18 onwards
📘 GitHub Journal: DevOps Journal
📝 Hashnode Blog: ritesh-devops.hashnode.dev
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Written by
Ritesh Singh
Ritesh Singh
Hi, I’m Ritesh 👋 I’m on a mission to become a DevOps Engineer — and I’m learning in public every single day.With a full-time commitment of 8–10 hours daily, I’m building skills in: ✅ Linux✅ Git & GitHub✅ Docker & Kubernetes✅ AWS EC2, S3✅ Jenkins, GitHub Actions✅ Terraform, Prometheus, Grafana I post daily blogs on Hashnode, push projects to GitHub, and stay active on LinkedIn and Twitter/X. Let’s connect, collaborate, and grow together 🚀 #100DaysOfDevOps #LearningInPublic #DevOps