Tutorials DevOps

DevOps

CI/CD, Docker, Kubernetes, automation

devops Intermediate

Deploy FastAPI applications with Docker Compose and production optimization

Learn to containerize FastAPI applications with Docker Compose, integrate PostgreSQL and Redis services, configure Nginx reverse proxy with SSL, and implement production monitoring for scalable microservices deployment.

45 min 4 distros 469 views
devops Intermediate

Configure container resource limits with Docker and systemd for production workloads

Learn to set memory, CPU, and I/O limits for Docker containers using both Docker runtime constraints and systemd service limits. Master cgroups v2 integration for bulletproof resource management in production environments.

25 min 4 distros 201 views
devops Intermediate

Set up OpenLiteSpeed with Docker containers for development

Deploy OpenLiteSpeed web server in Docker containers with PHP-FPM, SSL certificates, and persistent volumes for scalable development environments.

45 min 4 distros 174 views
devops Intermediate

Implement Kubernetes pod disruption budgets for high availability during scaling events

Configure Pod Disruption Budgets to ensure application availability during cluster maintenance and scaling operations. Learn to implement PDB policies, test disruption scenarios, and maintain service continuity in Kubernetes.

25 min 4 distros 401 views
devops Intermediate

Configure Kubernetes vertical pod autoscaler for resource optimization and cost management

Set up VPA to automatically adjust CPU and memory requests for your Kubernetes workloads. Reduce resource waste and optimize costs by letting VPA analyze actual usage patterns and rightsizing containers.

25 min 4 distros 181 views
devops Intermediate

Configure Kubernetes resource quotas and limit ranges for namespace-level resource management

Set up Kubernetes resource quotas and limit ranges to control CPU, memory, and storage consumption at the namespace level. This tutorial covers implementing resource constraints, monitoring usage, and troubleshooting quota issues for multi-tenant cluster management.

25 min 4 distros 225 views
devops Intermediate

Configure Kubernetes network policies with Calico CNI for container security and microsegmentation

Set up Calico CNI in Kubernetes to implement network policies for pod-to-pod traffic control, create ingress and egress rules for microsegmentation, and test policy enforcement to secure container communication at the network layer.

35 min 4 distros 213 views
devops Intermediate

Integrate SonarQube with Jenkins pipeline for automated code quality checks

Set up continuous code quality analysis by integrating SonarQube with Jenkins CI/CD pipelines. This tutorial covers SonarQube Scanner installation, webhook configuration, quality gates, and automated reporting for enforcing code standards across your development workflow.

25 min 4 distros 267 views
devops Intermediate

Set up GitLab container registry mirror and proxy cache for improved performance

Configure GitLab's built-in container registry as a mirror and proxy cache to reduce Docker Hub rate limits, speed up image pulls, and improve CI/CD pipeline performance across your organization.

45 min 4 distros 243 views
devops Intermediate

Configure SonarQube quality gates and custom rules for enterprise code analysis

Set up SonarQube quality gates with custom conditions and coding rules to enforce enterprise-grade code quality standards. Configure LDAP authentication and integrate with CI/CD pipelines for automated code analysis workflows.

45 min 4 distros 253 views
devops Intermediate

Implement GitLab CI/CD security scanning for Docker images

Set up automated container vulnerability scanning in GitLab CI/CD pipelines with Trivy and registry integration. Implement security gates, quality controls, and automated reporting for production-ready DevSecOps workflows.

45 min 4 distros 279 views
devops Intermediate

Configure AWX backup and disaster recovery procedures with automated PostgreSQL snapshots and restoration

Set up comprehensive backup and disaster recovery for AWX (Ansible Tower) with automated PostgreSQL database snapshots, configuration backups, and tested restoration procedures to ensure business continuity.

45 min 4 distros 219 views