Envoy Best Practices

Fix Envoy Proxy 'upstream connect error or disconnect/reset before headers'

Resolve Envoy's 'upstream connect error or disconnect/reset before headers' error caused by service mesh misconfiguration, timeout issues, or unreachable backends.

Envoy Observability: Distributed Tracing and Metrics

Configure Envoy distributed tracing with Jaeger, expose Prometheus metrics, and build end-to-end observability for your service mesh.

Envoy Proxy Rate Limiting: Global and Local Strategies

Implement Envoy rate limiting with local token bucket and global Redis-backed strategies to protect your services from traffic spikes.

Kubernetes

Container Orchestration

Open-source container orchestration platform for automating deployment, scaling, and management of containerized applications. The de facto standard for running production workloads at scale.

Docker

Containers

Platform for building, shipping, and running applications in containers. Docker pioneered the container revolution and remains the most popular container toolchain for development workflows.

Terraform

Infrastructure as Code

Infrastructure as Code tool by HashiCorp that lets you define cloud and on-premises resources in human-readable configuration files. Supports 3,000+ providers across every major cloud.

How fast can you type real DevOps commands? Race against the clock in a terminal-themed typing challenge with kubectl, Docker, Terraform, and more.

Guess the DevOps tool from progressive clues. Prometheus, Terraform, ArgoCD, and 30+ more. Fewer clues needed = higher score.

Do you know what CIDR, RBAC, SRE, and MTTR stand for? 50+ acronyms across networking, security, cloud, containers, and more with fun facts.