DevOps
Definition
DevOps is the organizational and technical practice of unifying software development and IT operations teams around shared tooling, automation, and accountability for the full software delivery lifecycle -- from code commit through production monitoring. Organizations that adopt DevOps deploy software 46x more frequently and recover from incidents 96x faster than those that keep dev and ops siloed.
Before DevOps, developers threw code over a wall to an operations team that deployed it on a quarterly schedule. DevOps collapses that wall: the same team that writes the code also instruments it, deploys it, and is paged when it fails at 2am. The pain of on-call drives better reliability engineering.
Core DevOps practices
- Infrastructure as code (Terraform, Pulumi) -- environments are reproducible and version-controlled
- CI/CD pipelines -- automated build, test, and deploy on every commit
- Observability -- logs, metrics, and traces accessible to developers, not just ops
- Incident management -- blameless post-mortems, runbooks, and automated alerting
DevSecOps in GovCon
Federal software programs require DevSecOps -- security scanning (SAST, DAST, SCA) integrated into every CI/CD pipeline run, not a periodic audit. DoD''s Platform One DevSecOps reference architecture is the federal standard.
Related terms
CI/CD (Continuous Integration / Continuous Delivery)
CI/CD is the engineering practice of automatically building, testing, and deploying software every time code is committed to a version control system. Teams with mature CI/CD pipelines deploy to production 200x more frequently with 24x faster incident recovery than teams without automation, according to DORA research -- the most measured indicator of engineering organizational health.
Containerization
Containerization is the packaging of application code, runtime, libraries, and configuration into a self-contained unit (a container) that runs identically across development, staging, and production environments. Docker containers start in under 2 seconds and use 10x less memory than virtual machines, making them the standard deployment unit for modern cloud-native applications.
Kubernetes
Kubernetes (K8s) is an open-source container orchestration platform that automates deployment, scaling, and self-healing of containerized applications across clusters of machines. Organizations running Kubernetes report 70% faster deployment cycles and 50% reduction in infrastructure cost compared to manually managed VM fleets, according to CNCF survey data.
Observability
Observability is the ability to understand the internal state of a software system from its external outputs -- logs, metrics, and traces -- without modifying the code to answer each new question. Teams with high observability resolve production incidents 3x faster and detect degradations before users report them, according to DORA and OpenTelemetry benchmark data.
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