DevOps

DevOps breaks down silos between development and operations teams, emphasizing automation, collaboration, and continuous improvement throughout the software lifecycle.

Why it matters

• Organizations practicing DevOps deploy code 200x more frequently.
• Faster time-to-market for features and fixes.
• Reduced failure rates and faster recovery from incidents.
• Better collaboration leads to higher quality software.
• Automation reduces human error and improves consistency.

Core practices

• Continuous Integration (CI): Automatically build and test code with every change.
• Continuous Delivery (CD): Automate deployment so releases are push-button.
• Infrastructure as Code (IaC): Manage infrastructure through version-controlled code.
• Monitoring and Logging: Comprehensive observability into systems.
• Configuration Management: Consistent, automated system configuration.

DevOps toolchain

• Source control: Git, GitHub, GitLab, Bitbucket.
• CI/CD: Jenkins, GitHub Actions, GitLab CI, CircleCI.
• IaC: Terraform, Pulumi, CloudFormation, Ansible.
• Containers: Docker, Kubernetes, containerd.
• Monitoring: Prometheus, Grafana, Datadog, New Relic.

DevSecOps extension Security should be integrated throughout the DevOps pipeline:

• Static analysis (SAST) in CI pipelines.
• Dependency scanning for vulnerable libraries.
• Container image scanning before deployment.
• Dynamic testing (DAST) in staging environments.
• Runtime protection and monitoring in production.

Cultural principles

• Blame-free post-mortems focused on learning.
• Shared responsibility for reliability and security.
• Experimentation and calculated risk-taking.
• Continuous learning and improvement.