#ci-cd

The GitLab CI error "dial tcp lookup docker no such host" means the docker:dind service alias never resolved. Here is the fast fix and the real causes.

The GitLab CI error Cannot connect to the Docker daemon at unix:///var/run/docker.sock means DOCKER_HOST is unset. Here is the fast fix.

Your GitHub Actions job fails with 'Resource not accessible by integration' because GITHUB_TOKEN is read-only by default. Grant the exact scope it needs.

Move repos from Azure DevOps to GitHub with the gh ado2gh extension, then wire up Copilot's coding agent. A practical migration playbook for 2026.

AI agents now open PRs and run deploys inside your pipeline. Here is how to govern their tool access and gate their actions with OPA and MCP.

Fix the 'Cannot connect to the Docker daemon at' error in GitLab CI. Learn to add docker:dind service, set DOCKER_HOST, and enable privileged mode for reliable...

Explore the core principles and practices of DevOps to streamline your software development lifecycle and accelerate delivery.

Compare Cursor, GitHub Copilot, and Sourcegraph Cody for DevOps. Learn which AI tool best handles IaC, Kubernetes manifests, and complex CI/CD pipelines.

Eliminate staging bottlenecks by using ephemeral environments and shift-left testing in Kubernetes. Learn to automate PR-based namespaces and GitOps workflows.

Reduce deployment risk using canary releases, feature flags, and traffic shadowing. Learn how to decouple deployment from release for safer delivery.

Stop review fatigue. Learn to integrate CodeRabbit and GitHub Actions to automate AI-powered Terraform reviews and catch IaC security risks early.

Stop hope-based deployments. Learn to implement a professional IaC testing pyramid using TFLint, terraform test, Terratest, and OPA for secure infrastructure.