Tag: automation

Run cron-like jobs in Python using APScheduler. Covers interval, cron, and date triggers, job stores, and background scheduling.

How to write and run Ansible playbooks for provisioning, configuring, and managing servers with idempotent tasks, roles, and inventory files.

How to deploy Docker containers to AWS ECS using Fargate serverless compute with Terraform and GitHub Actions

How to schedule and run background jobs using cron, task queues, and workers.

Automate AWS resource provisioning with bash and AWS CLI

Automated backup with retention policies using bash and find.

Alert when disk space crosses thresholds with bash scripts

Rotate and compress application logs automatically with bash scripts

How to write reliable Bash scripts for automating deployments, system monitoring, log rotation, and routine maintenance tasks

Set up automated CI/CD pipelines for testing, building, and deploying applications with GitHub Actions and what works.

How to build a professional command-line interface with argument parsing, flags, and subcommands.

How to schedule and manage recurring tasks using cron syntax across Linux, Python, and Node.js.

How to containerize an application, write a Dockerfile, and run containers with Docker Compose.

Orchestrate multi-service local environments with Docker Compose including databases, caches, message brokers, and reverse proxies with hot reload and shared networks

How to read, set, and manage environment variables securely across Python, JavaScript, and Java.

How to implement feature toggles to safely roll out, test, and rollback functionality without deploying code.

How to build and serve live XML sitemaps from your application data, with multi-language support, pagination, and automatic lastmod dates.

A practical branching strategy for teams: feature branches, pull requests, and clean commit history.

How to build and deploy with GitHub Actions using workflows, matrices, caching, and secrets.

How to create and consume reusable workflows in GitHub Actions, covering inputs, secrets, conditional jobs, matrix strategy, and organization-wide sharing.

How to implement graceful shutdown and zero-downtime restarts for web servers, workers, and containers

Build interactive Grafana dashboards that visualize Prometheus metrics with panels, variables, and alerts for thorough service observability

How to implement a production-ready health check endpoint for monitoring and load balancers.

Package, version, and deploy Kubernetes applications using Helm charts with value overrides, template functions, and release management for reproducible infrastructure

Build immutable infrastructure with versioned machine images and containers to eliminate configuration drift and ensure reproducible deployments.

How to parse and validate application configuration files using YAML and JSON schemas.

How to set up pre-commit hooks with husky, lint-staged, and pre-commit to enforce code quality before commits

How to implement resilient retry logic with exponential backoff and jitter for transient failures in network and API calls.

How to store, rotate, and inject API keys, database passwords, and certificates without hardcoding them in source code or environment files.

How to configure GitLab CI/CD pipelines for testing, building, and deploying applications using .gitlab-ci.yml with stages, jobs, caching, and runners.

Automate AWS resource provisioning, tagging, and cleanup using Bash scripts wrapped around the AWS CLI.

Automate file backups with retention policies using a Bash script that rotates daily, weekly, and monthly snapshots.

Generate, rotate, and distribute SSH keys securely with Bash scripts for team and server access.

Generate, rotate, and distribute SSH keys with bash scripts

Build reliable tests by mocking external APIs with WireMock, MockServer, and MSW to eliminate flakiness and test edge cases.

A template for documenting CI/CD pipeline stages, gates, environments, deployment strategies, rollback procedures, and security scanning.

A template for tracking TLS/SSL certificate inventory, renewals, deployments, and expiration risks across domains and services.

A structured bug report template to help teams reproduce, triage, and resolve defects faster with clear reproduction steps and expected behavior.

A community code of conduct template to establish inclusive, respectful collaboration standards.

A disaster recovery plan template for documenting RTO/RPO targets, failover procedures, and recovery runbooks that minimize downtime during catastrophic failures.

A template for documenting how to set up local development, staging, and production environments consistently and reproducibly.

A thorough onboarding guide template to help new team members get productive quickly.

A checklist template for verifying deployments: health checks, smoke tests, metric validation, and rollback readiness before declaring all-clear.

Master code review best practices: reviewer mindset, constructive feedback, review checklists, automated checks, PR sizing, and building a strong review culture in engineering teams.

A practical guide to building CI/CD pipelines with GitHub Actions, testing, deployment strategies, and rollback procedures.

Build CI/CD pipelines from scratch with GitHub Actions. Covers workflows, runners, matrix builds, caching, secrets, environments, deployment strategies, and reusable workflows.

Master GitHub Actions for CI/CD: workflows, reusable workflows, composite actions, secrets management, runners, matrix builds, caching, and deployment patterns.