🗃 What is Docker?

Docker allows you to package an application with all its dependencies into a standardized unit for software development and deployment.

Key Concepts:

📪 Containers
- Lightweight, standalone executable packages
- Include everything needed to run an application
- Ensure consistency across different environments

📫 Images
- Read-only templates used to create containers
- Built from layers, each representing an instruction in the Dockerfile
- Can be shared via Docker Hub or private registries

📭 Dockerfile
- Text file containing instructions to build a Docker image
- Defines the environment inside the container
- Automates the image creation process

🚀Getting Started:
1. Install Docker
2. Familiarize yourself with basic commands (docker run, build, pull, push)
3. Create your first Dockerfile and build an image
4. Experiment with Docker Compose for multi-container setups
5. Explore Docker Hub for pre-built images and inspiration

#humor #application

🤓 The choice of an API architecture can have significant implications on the efficiency, flexibility, and robustness of an application.

Let’s examine some prominent styles:
𝗥𝗘𝗦𝗧
A cornerstone in web services, REST leverages HTTP methods for streamlined operations and a consistent interface.
𝗚𝗿𝗮𝗽𝗵𝗤𝗟
Whilst REST uses multiple endpoints for each resource and necessitates multiple requests to obtain interconnected data
𝗦𝗢𝗔𝗣
Once dominant, SOAP remains vital in enterprises for its security and transactional robustness.
𝗴𝗥𝗣𝗖
gRPC is efficient in distributed systems, offering bidirectional streaming and multiplexing.
𝗪𝗲𝗯𝗦𝗼𝗰𝗸𝗲𝘁𝘀
For applications demanding real-time communication, WebSockets provide a full-duplex communication channel over a single, long-lived connection.
It's popular for applications requiring low latency and continuous data exchange.
𝗠𝗤𝗧𝗧
MQTT is a lightweight messaging protocol optimized for high-latency or unreliable networks.

#humor #devops

⭐️Course: Computer Networking Fundamentals For Developers, DevOps, and Platform Engineers

I went through this tutorial on networking fundamentals and found it very useful. This is a good excursion into understanding networks for further knowledge in this area.

#network #infrastructure #devops #courses

https://labs.iximiuz.com/courses/computer-networking-fundamentals

If you’re interested in running local/private LLMs (leveraging Ollama and similar solutions) on Kubernetes, take a look at this new project.

KubeAI serves an OpenAI-compatible HTTP API in Kubernetes, providing you with a drop-in OpenAI replacement and simplifying the needed operations. The project’s authors call it “a Model Operator that manages vLLM and Ollama servers [inside Kubernetes].” Most noticeable KubeAI features include:

- Support for various Open Source model servers, including vLLM, Ollama, FasterWhisper, and Infinity. (Speech-to-Text and Text-Embedding are supported.)
- An option to preload LLMs in custom container images.
- Autoscaling based on load.
- A Chat UI based on OpenWebUI.
- An ability to work in the CPU-only mode and with GPUs. TPU support is planned.
- No dependencies (such as service meshes) and installable in regular K8s clusters, OpenShift, and managed K8s solutions (currently, there’s an instruction for GKE with Autopilot).

▶️ GitHub repo

#tools #ai

#humor #devops

https://www.youtube.com/watch?v=yntg0J5xxO8

30 Days Of CNCF Projects | Day 1: What is Kyverno + Demo

#video #infrastructure #cncf

https://www.youtube.com/watch?v=6mVkva3_z9M

📟 The genius of Rust constructors

#rust #DevOps #video

🦚 Netflix architecture - they use full amazon services, not shown in this diagram, but they use ec2 for all their workload.🙊 So knowledge of aws services will be very relevant in the near future.

#devops #infrastructure #netflix

🧗🏻How OpenAI Scaled Kubernetes to 7,500 Nodes by Removing One Plugin
https://newsletter.betterstack.com/p/how-openai-scaled-kubernetes-to-7500?utm_campaign=Newsletter%2B(all)&utm_source=linkedin&utm_medium=paid&hsa_acc=508938321&hsa_cam=703813944&hsa_grp=322223894&hsa_ad=484900844&hsa_net=linkedin&hsa_ver=3&li_fat_id=9375742f-ec7c-439f-98ba-6d4dbd09ba27


#infrastructure #ai #kubernetes

🚦Container monitoring with Grafana: Helpful resources to get started

https://grafana.com/blog/2024/10/02/container-monitoring-with-grafana-helpful-resources-to-get-started/?camp=blog&cnt=containers_might_be_light&mdm=social&src=li

#infrastructure #observability #grafana #devops

🏗Rust is not only for writing drivers and system things, Rust is developing and gives the opportunity to write any powerful UI 🐲
https://www.thoughtworks.com/radar/languages-and-frameworks/summary/rust-for-ui

#rust #devops #application

🚀Cloud gives you great power, but like any great power has its risks and dangers.
The AWS these risks are associated with prices, since you can spend and find out about it in the invoice at the end of the month😲
But now a very good tool has appeared for solving issues with Finops for AWS, meet 💁🏼‍♂️ CUDOS
https://aws.amazon.com/ru/blogs/awsmarketplace/using-cudos-dashboard-visualizations-aws-marketplace-spend-visibility-optimization/

#infrastructure #monitoring #finops #DevOps #AWSServices

🎮 There are several tools for indie game developers to help with the full cycle of game creation.

#games #devops #tools

🗣Very interesting talk about solving the problem with nailing ci/cd, if #dagger solves this problem it will be a revolution in software development

#infrastructure #devops #application

https://kubernetespodcast.com/episode/236-dagger/

❔ How does Git Work ❔

The diagram below shows the Git workflow.
Git is a distributed version control system.
Every developer maintains a local copy of the main repository and edits and commits to the local copy.
The commit is very fast because the operation doesn’t interact with the remote repository.
If the remote repository crashes, the files can be recovered from the local repositories.

#systemdesign #git #devops

👁‍🗨Stateful vs Stateless Design — What's the Difference?

Stateless design is a powerful model that has led to the development of simple yet highly scalable and efficient applications.

“State” refers to stored information that systems use to process requests. This information can change over time as users interact with the application or as system events occur.

𝗪𝗵𝗮𝘁 𝗮𝗿𝗲 𝘀𝘁𝗮𝘁𝗲𝗳𝘂𝗹 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀?

Stateful applications store data like user IDs, session information, configurations, and preferences to help process requests for a given user. A stateful design allows applications to provide a personalized experience to their users while removing the need to share data across multiple requests.

#applications #systemdesign

👨‍👨‍👦‍👦 Welcome to the EKS scalability guide, where your Kubernetes clusters can expand faster than your coffee consumption during a code freeze!

This documentation is for developers, devops, admins ready to dive deep into the world of EKS—your ultimate cheat sheet for scaling tips. Manage your Control Plane like a PRO 🐸, wielding its power without getting lost in API calls.

Where the DataPlane is your cluster’s workout plan—because even pods need to hit the gym! 💪🏼 When it comes to Workloads, remember: they’re the main event, not just an excuse for more YAML files. If you’re scaling beyond 1,000 nodes, reach out to AWS support 🚒 to avoid turning your cluster into chaos. So gear up, embrace the challenge, and may your pods never crash—unless it’s scheduled maintenance! Happy scaling!

#AWS #eks #HighAvailability #kubernetes

https://docs.aws.amazon.com/eks/latest/best-practices/scalability.html

🐧 20 Popular Open Source Projects Started or Supported By Big Companies

#OpenSource