Liquid Reply’s Post

What are Kubernetes ConfigMaps (part 1/3) In Kubernetes, ConfigMaps let you store non-sensitive configuration data (like environment variables or config files) in key-value pairs, keeping app code and config separate. Why they matter - Decouple config from container images - Enable portability across environments i.e: Dev to Production - Allow updates without rebuilding or redeploying How they’re used - As environment variables - Mounted as config files in pods - Referenced directly by Kubernetes components Example: Instead of hardcoding database connection strings into your app, place them in a ConfigMap and let your pod reference it. Note: ConfigMaps keep your apps cleaner, more flexible, and easier to manage. #devops #kubernetes #cloudnative #cncf #configmaps

Every tool speaks its own language. We then end up stitching workflows together with custom scripts, brittle connectors, and fragile APIs. But what if your stack didn’t need a new integration for every app? Stop rewriting integrations. Start designing for scale. Learn how it works 👇 #Arclio #MCP #AIOrchestration #AgentOptimized #EnterpriseAI #SystemDesign #DevOps #ContextAware #BuildInPublic #FutureOfWork #NYTech #NewYorkAI

🚀 Kubernetes Basics – Pods vs Deployment vs Service When working with Kubernetes, three terms often confuse beginners: Pod, Deployment, and Service. Here’s a simple breakdown 👇 🔹 Pod ✔️ The smallest unit in Kubernetes. ✔️A Pod runs one or more containers (usually one). ✔️Think of it as a single running instance of your application. 🔹 Deployment ✔️A higher-level abstraction that manages Pods. ✔️Ensures the right number of Pods are always running (scaling up/down). ✔️If a Pod crashes, the Deployment automatically creates a new one. ✔️Think of it as a manager that controls your Pods. 🔹 Service ✔️An access point to Pods. ✔️Since Pods can change frequently (IP addresses are not fixed), a Service gives them a stable endpoint (IP/Name). ✔️It also load balances traffic between multiple Pods. ✔️Think of it as a doorway to your Pods. ✨ In short: ✅ Pod → Runs your app ✅Deployment → Manages your app’s Pods ✅Service → Exposes your app 💡 Example: If you deploy a web app in Kubernetes: ✅Pod = One running copy of the web app ✅Deployment = Keeps 3 replicas of the app running at all times ✅Service = Provides a single stable address so users can access the app 👉 This simple understanding is the foundation of Kubernetes. Once you get this, scaling and managing apps in K8s becomes much clearer! 🚀 #Kubernetes #DevOps #CloudNative #Containers #Automation #CICD #TechCommunity

Ever wondered what happens when you hit an app on your phone and it just… works? That’s the magic of an API Gateway Think of it as the bouncer at a club 👉 It checks who’s allowed in 👉 Sends you to the right section 👉 Keeps things secure & smooth Swipe through my diagram to see how API Gateway manages requests like a pro! made this using: ailinestudio.com #CloudComputing #APIGateway #DevOps #CloudSecurity #LearningMadeSimple

The 30-Day MVP Blueprint: How I Build Scalable Apps Fast Without Burning Out Here’s my 30-Day MVP Blueprint (the same system I use to build apps across healthcare, food delivery, betting, and AI): Week 1 → PLAN & ARCHITECTURE • Define ONE core feature that solves the user’s pain. • Choose a proven stack • Draft system architecture on day 2 (API routes, DB schema, core components). Week 2 → CORE FUNCTIONALITY • Build backend APIs (auth, CRUD for main feature). • Set up frontend skeleton (navigation, UI kit, state management). • Integrate DB early (MongoDB → flexible & fast). Week 3 → INTEGRATIONS • Add payments (Stripe/Paystack). • Add notifications (Firebase). • Add real-time features (Socket.IO/WebRTC if needed). Week 4 → POLISH & DEPLOY • Clean UI & optimize flows. • Test with 10 users. • Deploy on Vercel/Render (backend) + Firebase/Netlify (frontend). 👉 By Day 30: You have a working MVP in users’ hands. I’ve used this exact system to launch 5+ production apps. If founders followed this, they’d save 6 months of wasted time.

💁 The 12 Principles Every Modern Developer Must Know (12-Factor App Guide) 🚀 Want to build scalable, maintainable, and cloud-ready apps? The 12-Factor App methodology is the battle-tested blueprint used by top engineering teams at startups and enterprises. In this short video, I break down all 12 principles in just 60 seconds. 📌 What you’ll learn in this video: ✅ What the 12-Factor methodology is ✅ Why it’s still relevant in 2025 ✅ One-liner breakdown of each factor If you’re into modern software engineering, DevOps, microservices, or cloud-native apps, this is bookmark-worthy. 💡 Want the full deep dive? Check out my detailed Medium article here 👉 https://lnkd.in/gg6n8X-j 👉 Don’t forget to Like, Share, and Subscribe for more tech explainers, React/JS insights, and architecture guides. #12FactorApp #CloudNative #SoftwareArchitecture #DevOps #ScalableApps #PublicisSapient #PublicisGroupe #WebTechJournals #PS https://lnkd.in/g3Fdr4qj

🚀 Understanding Kubernetes ReplicaSets: The Importance of Unique Selectors 🚀 In the dynamic world of Kubernetes, managing your applications effectively is crucial to maintaining stability and performance. Let's dive into an essential aspect: ReplicaSets and selectors. 📌 Scenario 1: Overlapping Selectors Imagine you have two ReplicaSets: - ReplicaSet1 with app: my-app and version: v1 (3 replicas). - ReplicaSet2 with app: my-app (2 replicas). What happens? 🤔 - ReplicaSet1 controls pods with both labels, while ReplicaSet2 sees all pods with the app: my-app label. - This leads to a label collision, where both ReplicaSets compete for the same pods. The outcome? A chaotic reconciliation loop causing instability. 📌 Scenario 2: Identical Selectors Now, picture both ReplicaSets having identical selectors: - Both looking for pods with app: my-app and version: v1. This creates an even bigger headache! - Each ReplicaSet tries to enforce its desired replica count, leading to a race condition: pods multiplying uncontrollably and the system spiraling into chaos. 💡 The Takeaway -- Unique selectors are crucial! Each ReplicaSet must have a unique selector to ensure a single owner for each pod. This prevents conflicts and allows Kubernetes to manage your applications predictably. -- Kubernetes even helps by automatically generating unique pod-template-hash labels within Deployments to avoid these pitfalls. Let's ensure we design our systems with clarity and purpose! 💪✨ #Kubernetes #DevOps #CloudComputing #Microservices #Containerization #TechTips #SaaS #DevCommunity

Choosing the right backend framework isn’t just a technical decision — it’s a strategic one. The wrong choice can slow you down. The right one sets your team up for smooth scaling. Here are a few things worth considering: 🔹 Project type — APIs, real-time apps, dashboards? Match the framework to the problem you’re solving. 🔹 Team experience — Familiarity matters. A framework your team already knows (or can quickly learn) saves time and headaches. 🔹 Ecosystem & support — Strong docs, libraries, and an active community will make development faster and less painful. At the end of the day, the “best” framework isn’t the most popular one — it’s the one that fits your team, your project, and your future. #SoftwareDevelopment #Backend #EngineeringExcellence #ProInsight

Kubernetes gives us different container types within a Pod, and choosing the right one can make or break your deployment. Here’s a quick breakdown: 🔹 Main (App) Container – The primary workload container. This is your actual application running inside the Pod. In our case, it was our API server handling business logic. 🔹 Init Containers – These run before the main container starts and ensure the environment is ready. We used an init container to pull secrets from Vault and perform a DB migration before launching the app. 🔹 Sidecar Containers – Supporting actors that extend functionality. Need logging, monitoring, or service mesh proxies? Sidecars to the rescue! We added a Fluentd sidecar to stream logs efficiently without bloating our main app. 🔹 Ambassador Containers – Proxies that help your main container communicate with external services. When integrating with an external API, we used an Ambassador container to cache responses and reduce latency. 🔹 Adapter Containers – Transform or modify data before it reaches the main app. We once used an adapter to format incoming logs into a structured format before ingestion. 💡Tips: ✅ Use Init Containers to fail fast instead of letting your main app crash on startup. ✅ Leverage Sidecars for logs, monitoring, and security proxies like Istio or Envoy. ✅ Optimize resource allocation; Sidecars can compete with your main app for CPU & memory. ✅ Think composability; Pods allow multiple containers, but keep it efficient! Feel free to slide into my DMs for collaborations and partnerships! I’m passionate about simplifying technical content creation and driving community engagement—always open to connecting! 🔁 Repost to help others find it, sharing is caring 👨💻 Tag someone learning anything and everything Cloud-Native, Kubernetes & AIOps 💾 Save this post for future reference #CloudComputing #DevOps #Kubernetes #K8sBestPractices #TechTips #hellodeolu #technicalmarketing #DevRel

Low-Code Pro Tip Low-code platforms are more than just a quick way to build apps. They're a strategic tool for scaling innovation. One of our favorite pro tips at darwinLabs is to focus on reusable UI components. By building and saving standard elements like buttons, cards, and data tables, you can establish a consistent design language and drastically accelerate development time. This ensures every new application looks, feels, and performs in a unified way, while freeing your team from redundant design work. What are your go-to productivity hacks with low-code? Let us know in the comments! 👇 #darwinLabs #BP3Gloval #LowCode #OutSystems #DigitalTransformation #DevOps #UIUX