Search

Lessons (13)

• ConfigMaps, Secrets & Storage

  … Helm charts often do this. Secrets: sensitive values yaml apiVersion: v1 kind: Secret metadata: name: shop-api-secrets …

• Helm, kubectl Cheat Sheet & Best Practices

  … scan images, pull only from trusted registries, use NetworkPolicies, keep Secrets in a vault, and enforce the Pod …

• Docker & Containers

  … postgres://app:secret@db:5432/shop REDIS URL: redis://cache:6379 depends on: db: { condition: service healthy } cache …

• Why Kubernetes?

  … Pods, Deployments, Services, Ingress, ConfigMaps/Secrets, volumes, autoscalers. - It's powerful but complex. Use it when the scale …

• Authentication, Authorization & API Security

  … Never put secrets in a JWT. js import jwt from "jsonwebtoken"; const accessToken = jwt.sign({ sub: user.id …

• Releases, Observability and Production Safety

  … Protect traffic with TLS, encrypt sensitive data at rest, rotate secrets, use least-privilege RBAC, and audit sensitive …

• API Contracts, Gateways and Security

  … Use TLS, rate limits, audit logs and secrets management.

• Deploying & Operating Microservices

  … and autoscaling rules - [ ] Config through environment variables; secrets in a secret manager - [ ] API docs (OpenAPI) and versioning policy …

• Frontend Security

  … And never put secrets (API keys with write access, database passwords) in frontend code: they end up in …

• Next.js Rendering: CSR, SSR, SSG, ISR & Server Components

  … await db.products.findMany(); // runs on the server, secrets stay safe return ( <ul {products.map((p) = ( <li key …

• YAGNI: You Aren't Gonna Need It

  … Code that is easy to change later 💡 The secret: clean, well-tested code is what makes YAGNI safe …

• Clean Architecture

  … fakeSender }); await expect(registerUser.execute({ email: "a@b.com", password: "secret123" })).rejects.toThrow(ConflictError); }); mermaid flowchart LR UC …

• Services & Ingress

  … nginx tls: - hosts: [shop.example.com, api.shop.example.com] secretName: shop-tls rules: - host: shop.example.com …