Cloud & DevOps6 min read
Cloud Disaster Recovery: RPO, RTO and Failover
Disaster recovery in the cloud explained: RPO and RTO, backup versus failover, four DR strategies and a plan you can actually test.
Blog category
Cloud & DevOps
Cloud architecture, CI/CD, containers, infrastructure as code and keeping systems reliable.
- Cloud & DevOps6 min read
Cloud Shared Responsibility Model Explained
What the cloud shared responsibility model means, how the split changes between IaaS, PaaS and SaaS, and a practical checklist for your side.
- Cloud & DevOps6 min read
Blue-Green vs Canary Deployments Explained
How blue-green and canary deployments work, when to choose each, how to handle databases, and the mistakes that break zero-downtime releases.
- Cloud & DevOps6 min read
Monitoring and Alerting: Golden Signals and SLOs
What to measure and alert on: the four golden signals, SLIs, SLOs and error budgets explained, with a working Prometheus alert rule.
- Cloud & DevOps6 min read
Cloud Cost Optimisation: Where the Money Goes
Where cloud bills usually grow and the levers to reduce them: tagging, right-sizing, scheduling, storage, data transfer and commitments.
- Cloud & DevOps6 min read
GitHub Actions CI/CD Pipeline: Step by Step
Build a CI/CD pipeline with GitHub Actions: a tested YAML workflow, secure OIDC deployment, approvals, caching and common mistakes.
- Cloud & DevOps6 min read
Infrastructure as Code with Terraform: The Basics
Learn how Terraform works: providers, resources, state, plan and apply, with a working AWS example, remote state and common mistakes.
- Cloud & DevOps6 min read
Kubernetes: Do You Really Need It?
Most small and mid-sized teams do not need Kubernetes. Learn what it does, its real costs, simpler alternatives and a decision guide.
- Cloud & DevOps6 min read
Docker Explained for Business Teams
What Docker is, how containers differ from virtual machines, a real Dockerfile and Compose example, and the mistakes that cause the most trouble.
- Cloud & DevOps6 min read
AWS vs Azure: How to Choose for Your Business
A fair guide to choosing between AWS and Azure: where each fits, a five-step decision method, multi-cloud trade-offs and mistakes to avoid.
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