DevOps
Operational guides for Docker, Nginx, TLS, CI/CD, GitHub Actions, Jenkins, AWS deployment, monitoring, rollback, and resilient releases.
Docker Production Guide: Images, Containers and Reliable Deployment
Use Docker images, containers, volumes, networks, health checks, Compose, secrets, logging, resource controls, and deployment practices safely.
6 min readNginx Reverse Proxy: TLS, WebSockets, Headers and Timeouts
Configure Nginx reverse proxy concepts for TLS termination, upstreams, forwarded headers, WebSockets, timeouts, and security headers.
7 min readNginx and Certbot HTTPS: Certificate Lifecycle and Docker Operations
Operate TLS certificates with Nginx and Certbot, including issuance, renewal, challenge paths, Docker mounts, permissions, and port conflicts.
7 min readCI/CD Pipeline Design: Build, Test, Deploy and Roll Back Safely
Design a delivery pipeline with deterministic builds, tests, security checks, artifacts, staged deployment, verification, and rollback.
6 min readGitHub Actions Guide: Workflows, Artifacts and Secure Deployment
Build GitHub Actions workflows with events, jobs, steps, least-privilege permissions, secrets, caching, artifacts, environments, and deployment gates.
6 min readJenkins CI/CD: Pipelines, Agents and Reliable Deployment
Operate Jenkins pipelines with controlled agents, credentials, stages, artifacts, deployment verification, and rollback.
7 min readAWS EC2 Application Deployment: Docker, Nginx, TLS and Operations
Deploy an application to EC2 with a restricted security group, Docker, Nginx, TLS, DNS, monitoring, updates, and tested backups.