Next Level DevOps Implementation with GitOps

Nov 21, 20210 likes281 views

The document summarizes Ramadoni Ashudi's upcoming presentation on "Next Level DevOps Implementation with GitOps" at the GNOME Asia Summit 2021. The presentation will cover What is DevOps, What is GitOps, GitOps principles, how GitOps works, advantages of GitOps, best practices, and GitOps tools. It will include a demo of a GitOps workflow using tools like Argo CD, Kustomize, Jenkins, Docker Hub, GitHub and Kubernetes.

GNOME ASIA SUMMIT 2021
Next Level
DevOps Implementation
with GitOps
Ramadoni Ashudi
ramadoni.ashudi@gmail.com
20-21 November 2021

Hello! I’m Ramadoni
➔ IT Infra & Cloud Automation at
Commonwealth Bank Indonesia
➔ Student of Magister Informatics
Engineering at Universitas AMIKOM
Yogyakarta
https://github.com/invaleed

1
Agenda
➔ What is DevOps?
➔ What is GitOps?
➔ GitOps Principals
➔ How GitOps Works?
➔ Advantage of GitOps
➔ Best Practices of GitOps
➔ GitOps Tools
➔ Demo

What is DevOps?
DevOps is the combination of cultural philosophies,
practices, and tools that increases an organization’s
ability to deliver applications and services at high
velocity
https://aws.amazon.com/devops/what-is-devops/

Process
Culture & MIndset
Productivity
Efficiency
Continuous Integration
Continuous Delivery
Microservices
Monitoring & Logging
Etc…
Bitbucket
Jenkins
Docker
Kubernetes
ELK
Jira & Confluence
Etc…
People
Tools

Basic Concepts of DevOps Practices
Manual
Automatic
1
2
3
Result
Result

What is GitOps?
GitOps is a way of implementing Continuous
Deployment for cloud native applications.
https://www.gitops.tech/#what-is-gitops

What is GitOps?
GitOps: versioned CI/CD on top of declarative
infrastructure.
- Kelsey Hightower -

What is GitOps?
Set of practices to manage infrastructure and
application deployment using Git as a single source
of truth with declarative model

1
GitOps
Principles
➔ Describe the entire system
declaratively
➔ The desired system state is versioned
in Git
➔ Automatically apply approved
changes to the system
➔ Ensure correctness and alert on
divergence with software agents
Source: https://www.weave.works

Set “annotation”
Set “replicas”
Set “image”
nginx-deployment.yml

How GitOps
Works?
➔ GitOps architecture enables
developers to manage
infrastructure operations using Git
as the only source of truth.
➔ Gitops uses the operator as a
deployment synchronizer that will
always compare the desired state
and the actual state.

GitOps Workflow
Actual State
Desired State
Operator Ensure
Actual State == Desired state

Advantages of
GitOps
➔ Faster Time to Market
➔ Improve Security
➔ More Reliable
➔ Improved Developer Experience
➔ Auditable
➔ Standardized Operations across the
Infrastructure

GitOps Best
Practices
➔ Split Repo: One For App Repository,
Another For Environment/Config
Repository
➔ Test the Manifests Before Commit
➔ Git Manifests Should Not Change Due
To External Changes
➔ Plan How to Manage Secrets

GitOps Tools ➔ Flux CD - https://fluxcd.io
➔ Argo CD - https://argoproj.github.io/cd
➔ Jenkins X - https://jenkins-x.io

Demo ➔ Code Repository: Github
➔ CI Server: Jenkins
➔ Container Repository: Docker Hub
➔ GitOps Operator: Argo CD
➔ Configuration Manager for K8s:
Kustomize
➔ Platfrorm Deployment: Kubernetes
Vanilla

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In partnership with the Belgian Province of East-Flanders this project aimed to reduce conflicts and increase safety along a cycling route between the cities of Oudenaarde and Ghent. To achieve this goal, the current cycling network data needed some extra key information, including: Speed limits for segments, Access restrictions for different users (pedestrians, cyclists, motor vehicles, etc.), Priority rules at intersections. Using a 360° camera and GPS mounted on a measuring bicycle, we collected images of traffic signs and ground markings along the cycling lanes building up mobile mapping data. Image recognition technologies identified the road signs, creating a dataset with their locations and codes. The data processing entailed three FME workspaces. These included identifying valid intersections with other networks (e.g., roads, railways), creating a topological network between segments and intersections and linking road signs to segments and intersections based on proximity and orientation. Additional features, such as speed zones, inheritance of speed and access to neighbouring segments were also implemented to further enhance the data. The final results were visualized in ArcGIS, enabling analysis for the end users. The project provided them with key insights, including statistics on accessible road segments, speed limits, and intersection priorities. These will make the cycling paths more safe and uniform, by reducing conflicts between users.

War_And_Cyber_3_Years_Of_Struggle_And_Lessons_For_Global_Security.pdfbiswajitbanerjee38

Russia is one of the most aggressive nations when it comes to state coordinated cyberattacks — and Ukraine has been at the center of their crosshairs for 3 years. This report, provided the State Service of Special Communications and Information Protection of Ukraine contains an incredible amount of cybersecurity insights, showcasing the coordinated aggressive cyberwarfare campaigns of Russia against Ukraine. It brings to the forefront that understanding your adversary, especially an aggressive nation state, is important for cyber defense. Knowing their motivations, capabilities, and tactics becomes an advantage when allocating resources for maximum impact. Intelligence shows Russia is on a cyber rampage, leveraging FSB, SVR, and GRU resources to professionally target Ukraine’s critical infrastructures, military, and international diplomacy support efforts. The number of total incidents against Ukraine, originating from Russia, has steadily increased from 1350 in 2021 to 4315 in 2024, but the number of actual critical incidents has been managed down from a high of 1048 in 2022 to a mere 59 in 2024 — showcasing how the rapid detection and response to cyberattacks has been impacted by Ukraine’s improved cyber resilience. Even against a much larger adversary, Ukraine is showcasing outstanding cybersecurity, enabled by strong strategies and sound tactics. There are lessons to learn for any enterprise that could potentially be targeted by aggressive nation states. Definitely worth the read!

Oracle Cloud Infrastructure Generative AI ProfessionalVICTOR MAESTRE RAMIREZ

Your startup on AWS - How to architect and maintain a Lean and Mean accountangelo60207

Prevent infrastructure costs from becoming a significant line item on your startup’s budget! Serial entrepreneur and software architect Angelo Mandato will share his experience with AWS Activate (startup credits from AWS) and knowledge on how to architect a lean and mean AWS account ideal for budget minded and bootstrapped startups. In this session you will learn how to manage a production ready AWS account capable of scaling as your startup grows for less than $100/month before credits. We will discuss AWS Budgets, Cost Explorer, architect priorities, and the importance of having flexible, optimized Infrastructure as Code. We will wrap everything up discussing opportunities where to save with AWS services such as S3, EC2, Load Balancers, Lambda Functions, RDS, and many others.

FME for Distribution & Transmission Integrity Management Program (DIMP & TIMP)Safe Software

Peoples Gas in Chicago, IL has changed to a new Distribution & Transmission Integrity Management Program (DIMP & TIMP) software provider in recent years. In order to successfully deploy the new software we have created a series of ETL processes using FME Form to transform our gas facility data to meet the required DIMP & TIMP data specifications. This presentation will provide an overview of how we used FME to transform data from ESRI’s Utility Network and several other internal and external sources to meet the strict data specifications for the DIMP and TIMP software solutions.

Scaling GenAI Inference From Prototype to Production: Real-World Lessons in S...Anish Kumar

Presented by: Anish Kumar LinkedIn: https://www.linkedin.com/in/anishkumar/ This lightning talk dives into real-world GenAI projects that scaled from prototype to production using Databricks’ fully managed tools. Facing cost and time constraints, we leveraged four key Databricks features—Workflows, Model Serving, Serverless Compute, and Notebooks—to build an AI inference pipeline processing millions of documents (text and audiobooks). This approach enables rapid experimentation, easy tuning of GenAI prompts and compute settings, seamless data iteration and efficient quality testing—allowing Data Scientists and Engineers to collaborate effectively. Learn how to design modular, parameterized notebooks that run concurrently, manage dependencies and accelerate AI-driven insights. Whether you're optimizing AI inference, automating complex data workflows or architecting next-gen serverless AI systems, this session delivers actionable strategies to maximize performance while keeping costs low.

FIDO Seminar: Evolving Landscape of Post-Quantum Cryptography.pptxFIDO Alliance

Can We Use Rust to Develop Extensions for PostgreSQL? (POSETTE: An Event for ...NTT DATA Technology & Innovation

cnc-drilling-dowel-inserting-machine-drillteq-d-510-english.pdfAmirStern2

Crypto Super 500 - 14th Report - June2025.pdfStephen Perrenod

This OrionX's 14th semi-annual report on the state of the cryptocurrency mining market. The report focuses on Proof-of-Work cryptocurrencies since those use substantial supercomputer power to mint new coins and encode transactions on their blockchains. Only two make the cut this time, Bitcoin with $18 billion of annual economic value produced and Dogecoin with $1 billion. Bitcoin has now reached the Zettascale with typical hash rates of 0.9 Zettahashes per second. Bitcoin is powered by the world's largest decentralized supercomputer in a continuous winner take all lottery incentive network.

FIDO Seminar: Perspectives on Passkeys & Consumer Adoption.pptxFIDO Alliance

June Patch TuesdayIvanti

Ivanti’s Patch Tuesday breakdown goes beyond patching your applications and brings you the intelligence and guidance needed to prioritize where to focus your attention first. Catch early analysis on our Ivanti blog, then join industry expert Chris Goettl for the Patch Tuesday Webinar Event. There we’ll do a deep dive into each of the bulletins and give guidance on the risks associated with the newly-identified vulnerabilities.

Kubernetes Security Act Now Before It’s Too LateMichael Furman

In today's cloud-native landscape, Kubernetes has become the de facto standard for orchestrating containerized applications, but its inherent complexity introduces unique security challenges. Are you one YAML away from disaster? This presentation, "Kubernetes Security: Act Now Before It’s Too Late," is your essential guide to understanding and mitigating the critical security risks within your Kubernetes environments. This presentation dives deep into the OWASP Kubernetes Top Ten, providing actionable insights to harden your clusters. We will cover: The fundamental architecture of Kubernetes and why its security is paramount. In-depth strategies for protecting your Kubernetes Control Plane, including kube-apiserver and etcd. Crucial best practices for securing your workloads and nodes, covering topics like privileged containers, root filesystem security, and the essential role of Pod Security Admission. Don't wait for a breach. Learn how to identify, prevent, and respond to Kubernetes security threats effectively. It's time to act now before it's too late!

PyData - Graph Theory for Multi-Agent Integrationbarqawicloud

Graph theory is a well-known concept for algorithms and can be used to orchestrate the building of multi-model pipelines. By translating tasks and dependencies into a Directed Acyclic Graph, we can orchestrate diverse AI models, including NLP, vision, and recommendation capabilities. This tutorial provides a step-by-step approach to designing graph-based AI model pipelines, focusing on clinical use cases from the field.

AudGram Review: Build Visually Appealing, AI-Enhanced Audiograms to Engage Yo...SOFTTECHHUB

Introduction to Typescript - GDG On Campus EUEGoogle Developer Group On Campus European Universities in Egypt

Interested in leveling up your JavaScript skills? Join us for our Introduction to TypeScript workshop. Learn how TypeScript can improve your code with dynamic typing, better tooling, and cleaner architecture. Whether you're a beginner or have some experience with JavaScript, this session will give you a solid foundation in TypeScript and how to integrate it into your projects. Workshop content: - What is TypeScript? - What is the problem with JavaScript? - Why TypeScript is the solution - Coding demo

High Availability On-Premises FME Flow.pdfSafe Software

FME Flow is a highly robust tool for transforming data both automatically and by user-initiated workflows. At the Finnish telecommunications company Elisa, FME Flow serves processes and internal stakeholders that require 24/7 availability from underlying systems, while imposing limitations on the use of cloud based systems. In response to these business requirements, Elisa has implemented a high-availability on-premises setup of FME Flow, where all components of the system have been duplicated or clustered. The goal of the presentation is to provide insights into the architecture behind the high-availability functionality. The presentation will show in basic technical terms how the different parts of the system work together. Basic level understanding of IT technologies is required to understand the technical portion of the presentation, namely understanding the purpose of the following components: load balancer, FME Flow host nodes, FME Flow worker nodes, network file storage drives, databases, and external authentication services. The presentation will also outline our lessons learned from the high-availability project, both benefits and challenges to consider.

The State of Web3 Industry- Industry ReportLiveplex

Web3 is poised for mainstream integration by 2030, with decentralized applications potentially reaching billions of users through improved scalability, user-friendly wallets, and regulatory clarity. Many forecasts project trillions of dollars in tokenized assets by 2030 , integration of AI, IoT, and Web3 (e.g. autonomous agents and decentralized physical infrastructure), and the possible emergence of global interoperability standards. Key challenges going forward include ensuring security at scale, preserving decentralization principles under regulatory oversight, and demonstrating tangible consumer value to sustain adoption beyond speculative cycles.