Debug Why ArgoCD Shows Out of Sync
Argo CD showing an "OutOfSync" status means the desired state defined in your Git repository doesn't match the actual state of your application running .
Argo CD Articles
49 articles
ArgoCD in Production: Hardening and Best Practices
ArgoCD in Production: Hardening and Best Practices — Argo CD is a declarative GitOps continuous delivery tool. Argo CD is more than just a deployment too.
Canary Deployments with ArgoCD Rollouts
Canary deployments, when done correctly, don't just roll out new code; they actively prevent catastrophic failures by deliberately exposing a tiny fract.
Isolate Teams with ArgoCD Projects
Argo CD Projects are the primary mechanism for isolating Teams and their application deployments within a shared Kubernetes cluster.
Create Preview Environments with PR Generator
Creating preview environments with PR Generator is about giving developers ephemeral, production-like sandboxes for every pull request.
Configure ArgoCD RBAC Policies
Configure ArgoCD RBAC Policies — practical guide covering argocd setup, configuration, and troubleshooting with real-world examples.
Connect ArgoCD to Private Git Repositories
Argo CD can connect to private Git repositories, but it needs credentials to do so. Let's see how this works with a live example
Exclude Resources from ArgoCD Sync
Argo CD doesn't actually "exclude" resources from sync in the way you might think; it selectively applies them based on a declarative filter.
Choose How ArgoCD Tracks Kubernetes Resources
Argo CD doesn't actually track Kubernetes resources directly; it tracks Git commits and then tells Kubernetes what it should look like.
Progressive Delivery with ArgoCD Rollouts
Progressive Delivery with ArgoCD Rollouts allows you to deploy new versions of your applications without downtime, gradually shifting traffic to the new.
Validate Kubernetes Manifests Before ArgoCD Sync
A Kubernetes manifest validation failure means your kubectl or Argo CD is refusing to apply a configuration because it violates the Kubernetes API serve.
Manage Secrets in ArgoCD with Sealed Secrets
Manage Secrets in ArgoCD with Sealed Secrets — practical guide covering argocd setup, configuration, and troubleshooting with real-world examples.
Encrypt Secrets in Git with SOPS and ArgoCD
SOPS and ArgoCD bring secret management to GitOps, but they don't magically make secrets disappear from your Git history.
Set Up SSO for ArgoCD with Dex and Okta
Argo CD's Single Sign-On SSO setup with Dex as an OIDC provider and Okta as the upstream identity provider is surprisingly resilient once you understand.
Sign Into ArgoCD with GitHub OAuth
Sign Into ArgoCD with GitHub OAuth — practical guide covering argocd setup, configuration, and troubleshooting with real-world examples.
Run Jobs Before and After ArgoCD Sync with Hooks
Argo CD sync hooks let you run arbitrary commands before or after a sync operation, giving you fine-grained control over your deployment lifecycle.
Control Sync Order with ArgoCD Waves and Phases
Argo CD Waves and Phases let you control the order in which your applications are synchronized, not just which ones are synchronized.
Configure TLS Certificates for ArgoCD
Configure TLS Certificates for ArgoCD — practical guide covering argocd setup, configuration, and troubleshooting with real-world examples.
Upgrade ArgoCD Without Downtime
Argo CD can be upgraded with zero downtime because its core components are designed for high availability and graceful restarts.
Inject Vault Secrets into ArgoCD Deployments
Argo CD doesn't natively inject Vault secrets; it treats them as just another Kubernetes Secret resource that your application then consumes.
Access the ArgoCD API Programmatically
Argo CD's API is a RESTful service that exposes the full functionality of the GitOps tool, allowing for programmatic interaction with its resources and .
Manage Many Apps with ArgoCD App of Apps Pattern
The Argo CD App of Apps pattern allows you to manage a large number of applications by defining a central "Application" resource that points to other "A.
Control When ArgoCD Syncs with Sync Policies
Argo CD's sync policies are your secret weapon for controlling exactly when your applications get updated, preventing those "oops, I just pushed a break.
Deploy to Many Clusters with ArgoCD ApplicationSet
Deploy to Many Clusters with ArgoCD ApplicationSet — practical guide covering argocd setup, configuration, and troubleshooting with real-world examples.
Generate Apps Per Cluster with ApplicationSet
Generate Apps Per Cluster with ApplicationSet — practical guide covering argocd setup, configuration, and troubleshooting with real-world examples.
Generate Apps from Git Directory with ApplicationSet
ApplicationSet is a Kubernetes controller that extends Argo CD to manage multiple Git repositories and generate Argo CD Application resources dynamicall.
Enable Audit Logging in ArgoCD
Argo CD doesn't store audit logs by default; it sends them to standard output or a configured webhook, meaning you have to actively set up a destination.
Enable Auto-Sync and Self-Healing in ArgoCD
ArgoCD’s auto-sync feature, when combined with its self-healing capabilities, allows your GitOps workflow to automatically reconcile the desired state d.
Back Up ArgoCD for Disaster Recovery
Argo CD’s state is stored in its own Git repository, which is the single source of truth for your desired application state.
ArgoCD CLI: Commands You Use Every Day
Argo CD's CLI is more than just a set of commands; it's a direct conduit to managing your Kubernetes deployments with precision and speed.
Register External Clusters in ArgoCD
Register External Clusters in ArgoCD — practical guide covering argocd setup, configuration, and troubleshooting with real-world examples.
Discover Clusters Automatically with SCM Generator
The most surprising true thing about scm generator is that it doesn't find clusters; it generates them based on your code's structure and history.
Extend ArgoCD with Config Management Plugins
Config Management Plugins CMPs are Argo CD's secret weapon for managing anything as Kubernetes manifests, not just Helm charts or Kustomize.
Customize ArgoCD Diff Behavior
Argo CD's diff process is remarkably flexible, allowing you to tailor how it identifies changes between your desired state in Git and your live state in.
Sync Secrets into ArgoCD with External Secrets Operator
External Secrets Operator ESO is a Kubernetes operator that synchronizes secrets from external secret management systems like AWS Secrets Manager, Azure.
Install and Get Started with ArgoCD
Argo CD doesn't just deploy your Kubernetes manifests; it actively synchronizes them with your Git repository, ensuring your cluster state always matche.
Trigger ArgoCD Syncs Instantly with Git Webhooks
Trigger ArgoCD Syncs Instantly with Git Webhooks. Argo CD can react to Git commits without polling, by receiving real-time notifications via webhooks.
Write Custom Health Checks for ArgoCD Resources
Argo CD's built-in health checks are surprisingly opinionated, often marking complex applications as "Degraded" or "Unhealthy" when they're perfectly fu.
Deploy Helm Charts with ArgoCD
Deploy Helm Charts with ArgoCD — practical guide covering argocd setup, configuration, and troubleshooting with real-world examples.
Run ArgoCD in High Availability Mode
Argo CD can run in high availability HA mode, but it doesn't actually make the application highly available; it makes the control plane highly available.
Tell ArgoCD to Ignore Specific Resource Differences
Argo CD can be configured to ignore specific differences between the desired state in Git and the live state in the cluster, allowing you to manage cert.
Auto-Update Container Images with ArgoCD Image Updater
Argo CD Image Updater can automatically update your Kubernetes container images, but it doesn't actually do the updating itself; it signals Argo CD to d.
Expose ArgoCD UI with Ingress
Argo CD's UI is a powerful tool for visualizing and managing your Kubernetes deployments, but by default, it's only accessible from within your cluster.
Deploy Jsonnet Apps with ArgoCD
Deploy Jsonnet Apps with ArgoCD — practical guide covering argocd setup, configuration, and troubleshooting with real-world examples.
Deploy Kustomize Apps with ArgoCD
Argo CD doesn't actually deploy Kustomize apps; it renders Kustomize manifests and then applies those rendered manifests to your cluster.
Scrape ArgoCD Metrics with Prometheus
Argo CD doesn't expose metrics in a way Prometheus can just pull by default; you have to explicitly tell it to do so and configure Prometheus to pick th.
Deploy to Multiple Clusters with ArgoCD
Argo CD's multi-cluster deployment isn't about copying manifests; it's about defining a desired state that Argo CD then reconciles across any cluster it.
Send ArgoCD Sync Notifications to Slack and Email
Argo CD can send notifications about sync status to Slack and email, but it's not just a simple webhook; it's a full-fledged event-driven system that ca.
Find and Fix Orphaned Resources in ArgoCD
Orphaned resources in Argo CD are Kubernetes objects that Argo CD believes it's managing, but they don't actually exist in the cluster.