Cloud & DevOps12 min
helm upgrade --install: Idempotent Deploys (2026)
helm upgrade --install installs a release if it's missing and upgrades it if it exists — one idempotent command. See the Helm 4 flags, gotchas, and CI pattern.
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Cloud & DevOps12 min
helm upgrade --install installs a release if it's missing and upgrades it if it exists — one idempotent command. See the Helm 4 flags, gotchas, and CI pattern.
Cloud & DevOps11 min
Reusable workflow vs composite action in GitHub Actions: jobs vs steps, secrets, nesting limits, and outputs—plus exactly when to use each, with YAML.
Cloud & DevOps15 min
Migrate Terraform to OpenTofu with a clean tofu init -upgrade, then encrypt your existing state using PBKDF2 and AES-GCM. A step-by-step, runnable 2026 guide.
Cloud & DevOps17 min
Deploy a Node.js app to a VPS with Kamal 2: a from-scratch Docker setup with zero-downtime deploys, automatic Let's Encrypt SSL, and a Postgres accessory.
Cloud & DevOps15 min
Instrument a Node.js app with OpenTelemetry, run the Collector and Jaeger v2 in Docker, and view distributed traces. Every version pinned and verified, 2026.
Cloud & DevOps16 min
Achieve true zero-downtime Kubernetes deployments: rolling updates, readiness probes, preStop hooks, and graceful SIGTERM draining. Runnable 2026 guide.
Cloud & DevOps12 min
Enable Terraform S3 native state locking with use_lockfile - no DynamoDB table required. Set up the backend, migrate an existing project, lock down IAM.
Cloud & DevOps19 min
Deploy a production Bun + Hono app on Fly.io: multi-stage Bun Dockerfile, fly.toml with auto-stop machines and health checks, secrets, and graceful shutdown.
Cloud & DevOps14 min
Hands-on 2026 tutorial: Caddy 2.11.2 Docker Compose reverse proxy with automatic HTTPS, security headers, zero-downtime reloads, and Cloudflare DNS wildcards.
Cloud & DevOps12 min
Infrastructure as Code fundamentals for 2026: Terraform, OpenTofu, Pulumi, Crossplane. State management, modules, and the patterns teams actually ship with.
Cloud & DevOps14 min
A deep, hands-on guide to Docker best practices — from image optimization and security hardening to CI/CD integration and production readiness, refreshed for Docker Engine 29 and Compose v2.
Backend Development13 min
Hands-on 2026 tutorial: build a tiny, secure Distroless Python container for a FastAPI app using uv 0.11.8, multi-stage builds, and a non-root runtime user.