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DevOps

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3분 소요

DevOps란 무엇인가요?

DevOps is a set of practices, cultural philosophies, and tools that unify software development (Dev) and IT operations (Ops) to shorten the development lifecycle and deliver high-quality software continuously. It emphasizes automation, collaboration, monitoring, and rapid iteration.

What is DevOps?

DevOps is a cultural and technical movement that breaks down the traditional wall between software development teams (who write code) and operations teams (who deploy and run that code). By fostering collaboration, automating manual processes, and implementing continuous feedback loops, DevOps enables organizations to deliver software faster, more reliably, and with fewer failures.

Core DevOps Practices

  • Continuous Integration (CI): Developers merge code changes frequently (multiple times per day) into a shared repository, where automated builds and tests validate each change.
  • Continuous Delivery/Deployment (CD): Validated changes are automatically deployed to staging or production environments, reducing the time between writing code and delivering it to users.
  • Infrastructure as Code (IaC): Server configurations, network settings, and cloud resources are defined in version-controlled code (Terraform, CloudFormation, Ansible) rather than configured manually.
  • Monitoring and observability: Real-time visibility into application performance, errors, and infrastructure health through tools like Prometheus, Grafana, Datadog, and PagerDuty.
  • Incident management: Structured processes for detecting, responding to, and learning from production incidents (blameless postmortems).

    • The DevOps Toolchain

    A typical DevOps pipeline includes:

  • Source control: Git, GitHub, GitLab
  • CI/CD: Jenkins, GitHub Actions, CircleCI, GitLab CI
  • Containerization: Docker, Podman
  • Orchestration: Kubernetes, Docker Swarm
  • IaC: Terraform, Ansible, Pulumi
  • Monitoring: Prometheus, Grafana, Datadog, New Relic
  • Logging: ELK Stack, Splunk, Loki
  • Alerting: PagerDuty, Opsgenie

    • DevOps Culture

    DevOps is not just tools — it is a cultural shift:

  • Shared responsibility: Development and operations teams share ownership of the entire software lifecycle, from writing code to running it in production.
  • Blameless culture: Failures are treated as learning opportunities, not occasions for blame.
  • Small, frequent changes: Deploying small increments reduces risk and makes rollbacks easier.
  • Automation first: Any manual, repetitive process is a candidate for automation.

    • DevOps Benefits

  • Faster delivery: Organizations practicing DevOps deploy 200x more frequently than traditional teams (DORA metrics).
  • Higher reliability: Automated testing and deployment reduce human error and catch issues earlier.
  • Faster recovery: When failures occur, DevOps teams recover 24x faster through automated rollbacks and monitoring.
  • Better collaboration: Breaking down silos improves communication, shared understanding, and team morale.

    • DevOps vs. SRE

    Site Reliability Engineering (SRE), pioneered by Google, is a specific implementation of DevOps principles with a focus on reliability engineering. SRE uses error budgets, service level objectives (SLOs), and toil elimination to balance innovation speed with system reliability.

    왜 중요한가요

    DevOps practices have become the standard for modern software delivery. Organizations that adopt DevOps ship faster, fail less often, and recover more quickly when issues arise. For automation platforms, DevOps principles inform how workflows are versioned, tested, deployed, and monitored in production.

    Autonoly는 어떻게 해결하나요

    Autonoly's SSH terminal node lets you execute DevOps commands directly within your automation workflows — run deployment scripts, trigger CI/CD pipelines, manage infrastructure, and monitor systems. Combine DevOps operations with browser automation and API calls in unified workflows that span your entire technology stack.

    자세히 보기

    예시

    • A CI/CD pipeline that automatically builds, tests, and deploys code every time a developer pushes to the main branch

    • Using Terraform (Infrastructure as Code) to provision identical staging and production environments from the same configuration files

    • An Autonoly workflow that monitors deployment health via API, runs SSH commands to restart failed services, and posts status updates to Slack

    자주 묻는 질문

    Agile is a software development methodology focused on iterative development, collaboration, and responding to change. DevOps extends agile principles into operations — addressing how software is deployed, monitored, and maintained after development. Agile focuses on building the right software; DevOps focuses on delivering and running it reliably.

    Yes. Even small teams benefit from DevOps practices like automated testing, CI/CD pipelines, and infrastructure as code. These practices prevent issues from compounding as the team and codebase grow. Start simple — a basic CI pipeline and automated deployments — and add complexity as needed.

    DevOps is a broad cultural and technical movement for unifying development and operations. SRE (Site Reliability Engineering) is a specific, prescriptive implementation of DevOps principles created by Google, with defined practices like error budgets, SLOs, and toil measurement. SRE can be seen as one way to implement DevOps.

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