CI/CD & GitOps

Continuous integration, continuous delivery, GitOps workflows, and infrastructure as code tools for automated deployments.

Comparing alternatives? For GitOps on Kubernetes, Argo CD offers a rich UI and application-centric model, while Flux CD takes a more composable, toolkit approach. For Infrastructure as Code, Terraform is the established choice, OpenTofu is its open-source fork, and Pulumi lets you use real programming languages. Use Helm for templated Kubernetes packages or Kustomize for template-free overlays.

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GitOps

Argo CD

Declarative GitOps continuous delivery tool for Kubernetes. Syncs application state from Git repositories automatically.

GitOpsKubernetesCNCFDeclarative

Flux CD

CNCF GitOps toolkit for keeping Kubernetes clusters in sync with configuration sources. Supports Helm, Kustomize, and OCI.

GitOpsKubernetesCNCFHelm

Infrastructure as Code

Terraform

Infrastructure as Code tool by HashiCorp for provisioning and managing cloud resources across multiple providers declaratively.

IaCHashiCorpMulti-CloudDeclarative

OpenTofu

Open-source fork of Terraform maintained by the Linux Foundation. Drop-in replacement with community-driven governance.

IaCOpen SourceMulti-CloudDeclarative

Pulumi

Infrastructure as Code using real programming languages (TypeScript, Python, Go, C#) instead of domain-specific languages.

IaCMulti-CloudTypeScriptPython

Configuration Management

Ansible

Agentless automation platform for configuration management, application deployment, and infrastructure orchestration.

AutomationConfigurationAgentlessYAML

CI/CD Pipelines

GitHub Actions

CI/CD platform integrated directly into GitHub repositories with workflow automation, matrix builds, and a large marketplace.

CI/CDGitHubAutomationYAML

GitLab CI/CD

Built-in CI/CD pipelines in GitLab with Auto DevOps, container registry, and integrated security scanning.

CI/CDGitLabDevSecOpsAuto DevOps

Kubernetes Tooling

Helm

Package manager for Kubernetes that simplifies deploying and managing applications using reusable chart templates.

KubernetesPackage ManagerChartsCNCF

Kustomize

Template-free Kubernetes configuration customisation tool built into kubectl for managing environment-specific overlays.

KubernetesConfigurationOverlays

Security & Secrets

Vault

HashiCorp secrets management tool for securely storing and accessing tokens, passwords, certificates, and encryption keys.

SecretsSecurityHashiCorpEncryption

Sealed Secrets

Bitnami controller for encrypting Kubernetes Secrets so they can be safely stored in Git repositories for GitOps workflows.

SecretsKubernetesGitOpsEncryption