Duolingo

👋 Hello Grafana & Friends Singapore! This month, we are excited to partner with the MongoDB for a collaborative evening of tech! As observability and data landscapes become increasingly complex, the integration between the LGTM stack and MongoDB is more critical than ever. This month, we are bringing together engineers from both ecosystems to share implementation strategies, architectural best practices, and real-world monitoring patterns. As always, come ready to learn, connect, and exchange ideas with the community. Light bites and networking included! **Topic 1: Real-Time Observability with MongoDB and Grafana: From Logs to Dashboard** **Speaker: Piti Champeethong**, Senior Consulting Engineer, MongoDB **Session Abstract:** Learn how to integrate MongoDB Atlas with Azure Grafana to build real-time dashboards for both database performance and application data. This session covers Prometheus-based monitoring, direct querying, and Azure-native pipelines for modern observability. **Topic 2: Agentic Observability: From OTel Signals to Production Remediation with MongoDB MCP** **Speaker: Hendri Tjiptowibowo**, Senior Partner Solutions Engineer, Grafana Labs **Session Abstract:** Learn how Grafana Assistant (available on OSS) combines OpenTelemetry signals with MongoDB MCP to move from observability to action. This session demonstrates AI-driven investigation of production issues, including trace analysis, query plan inspection, index recommendations, and automated remediation workflows. **📅 Date:** Thursday, June 11th, 2026 **🕡 Time:** 6:00pm - 9:00pm **📍 Location:** Smartworks Great Eastern Centre, 1 Pickering Street, Singapore 048659 - Level 8 ⚠️ **Reminder:** Please bring your valid physical photo ID (NRIC or Passport) to access the building. **Agenda** * **6:00 PM:** Registration, Light Bites & Networking * **6:55 PM:** Welcome & Opening * **7:00 PM:** Piti Champeethong, Senior Consulting Engineer at MongoDB – Real-Time Observability with MongoDB and Grafana: From Logs to Dashboard * **7:30 PM:** Hendri Tjiptowibowo, Senior Partner Solutions Engineer at Grafana Labs - Agentic Observability: From OTel Signals to Production Remediation with MongoDB MCP * **8:00PM:** Networking & Close **In Partnership with MongoDB:** This event is a collaborative session between **Grafana & Friends Singapore** and the **Singapore MongoDB User Group**. Special thanks to our Co-Partner, **MongoDB**, for providing the space.

**Talk Abstract:** — \# Bootiful Spring Boot 4: Sweet and Sour Spring Boot 4.x and Java 25 have arrived, making it an exciting time to be a Java developer! Join us, **Josh Long** (@starbuxman) and **DaShaun Carter** (@dashaun), will dive into the future of Spring Boot with Java 25. We'll learn how to scale your applications and codebases effortlessly, explore the robust Spring Boot ecosystem featuring AI, modularity, seamless data access, security, and cutting-edge production optimizations like Project Loom's virtual threads, GraalVM, AppCDS, and more. Let's explore the latest-and-greatest in Spring Boot to build faster, more scalable, more efficient, more modular, more secure, and more intelligent systems and services and we'll look at how to get older apps to this leaner, greener future. \-\-\- **Josh Long** (@starbuxman) has been Spring's first-ever Developer Advocate since 2010. A Java Champion, author of 7 books, host of *A Bootiful Podcast*, and open-source contributor — if Spring ships it, Josh has probably already done a live demo of it. **DaShaun Carter** (@dashaun) is a Spring Developer Advocate at Broadcom, Testcontainers Champion, and keynote speaker with a passion for helping developers ship better software, faster. Whether he's on stage, on a Raspberry Pi, or on a racecourse, he brings the same deliberate, high-energy focus to everything he does. **Important:** Please share your mail address ( if you have not done already) , need it for security clearance at Redhat . Can send it to [mailto:singadev-organisers@googlegroups.com](http://mailto:singadev-organisers@googlegroups.com/) by 9 June evening. Thanks for understanding and cooperation.

Feel free to join us for independent exercise. It is not a group led exercise event. Let's hangout, rest, and language exchange! ローカルの場所で運動に、ぜひお気軽にご参加ください。 なお、これはインストラクターが指導するグループ運動イベントではありません。 一緒に交流したり、休憩したり、エクスチェンジを楽しみましょう！

🎤 The Premium Vocal Class in Singapore Meet the No.1 Korean Vocal Trainer since 2012 “Bring the song you cannot sing now — I’ll make sure you can. If not, I’ll refund.” ⸻ Why Choose LIM MIRI (林美利)? ✨ Singapore’s Top Korean Vocal Coach • 13+ years of teaching (since 2012) • Holder of National Level 1 Vocal Training Certificate • Winner of Busan MBC Hyunin Music Competition 🏆 • Vocal coach of the 2024 Best Song Award Winner • Professional singer & teacher with international stage experience ⸻ N-in-1 Premium Class With one coach, you can master all genres: • 🎼 Classical vocalisation • 🎷 Jazz vocalisation • 🎤 Pop, K-pop, J-pop, C-pop • 🎸 Rock vocalisation 👉 No need for multiple teachers. 👉 A single, streamlined premium program to cover every vocal style. ⸻ The Guarantee: High Notes, Real Voice 🎶 +5 Keys Up in Chest Voice — Guaranteed If you can’t reach the high notes with your real voice (진성), I will refund. That’s how confident I am. Bring the songs you cannot sing now — you’ll sing them flawlessly within my training. ⸻ More Than Singing — A Voice for Life This is not just about singing. I also provide speech correction & vocal health training for: • Professionals who lose their voice easily when speaking • Students struggling with presentation & public speaking • Anyone who wants a clear, powerful daily voice 👉 When your voice changes, your whole life becomes happier. ⸻ The Premium Experience 💎 Every session is 3x more effective than ordinary classes. 💎 In just 4 lessons, you will discover your inner voice. 💎 A deep, high-quality curriculum designed originally for students preparing to debut as professional singers in Korea. This is not a casual hobby class — it’s a transformational premium program that delivers results. ⸻ Courses 💎 Trial Session 40 minutes — only $20 🎤 1:1 Premium Coaching $550 / 1 pax / 4 lessons / 45 min each 🎶 2 Pax Group Session $350 / each pax / 4 lessons / 50 min each ⸻ Start Now 🎵 Don’t miss the chance to learn from the best Korean vocal trainer in Singapore. 📩 Contact me today and experience the class that no one else can offer. ⸻ 🔖 #PremiumVocalClass #LuxuryTraining 🔖 #Kpop #Pop #Jazz #Classical #R&B #Cpop #Jpop 🔖 #HighNoteGuarantee #LifeChangingVoice whatsapp 8955 3824

**DISCLAIMER: NOT FINANCIAL ADVICE** Casual run of about 3.5km - 4km. Route can be lengthen if group is small. We will meet 7:00pm at BK eating house beside the zebra crossing: https://maps.app.goo.gl/ntCCoQz1UDvcKT8r9 Nearest MRT can be Clarke Quay OR Raffles Place At the moment no bag drop provided. Please do offer if you have a place for bag drop. Warm up 15mins and start at 7.15pm latest. Running route brings us to around Fort Canning Park and back. Please note that we are running Fort Canning Park area in the night and runners must be comfortable in a dimly lit environment. We will usually end off our runs at BK Eating House for a drink / Meal. This is a group about discovering bitcoin as a savings technology. We welcome anyone who is interested in knowing more about saving in bitcoin or simply just want to join us to have a good run. We start out casual and as things get more consistent, we might do what others have been doing worldwide: https://www.bitcoinrunners.org/community/

## Details **♟️ Geek Out, Stress Out 🎯** **Note:** If you are hosting games, you can create a session under this event via this URL: [https://playbojio.vercel.app/](https://playbojio.vercel.app/) Ready to flex that board game brain? This night is for the seasoned gamers, the engine-builders, the tableau tacticians, and the worker placement pros. We're diving into the deeper end of the tabletop pool—**strategy games that challenge, engage, and maybe even melt your brain (in a good way).** Whether you're plotting your next move in a Euro classic or trying out a hot new release, this is your space to **go big on games** and connect with fellow strategy lovers. Bring your A-game, bring your favorite titles to share, and let’s get into the good stuff. **Venue:** Geekster **Time:** 7pm to 11pm (Every Thu) **Address:** 100 Lorong 23 Geylang #03-02 S388398 (Near to Aljunied MRT, take the shorter path at Atrix Bulding) **Fee:** Option A: Roll 2 dice and the sum will be the entry fee Option B: S$8 per entry Both options come with **ONE** complimentary drink **🎲 Play Arena Rules 🎲** 1️⃣ Max capacity: 24 people (excluding Geekster). RSVP is first come, first served. If you can’t make it, please de-RSVP so others on the waitlist can join. ✅🔄 2️⃣ Be respectful—no excessive noise or aggressive behavior. 🚫🎭 3️⃣ You’re welcome to bring your own games! Just make sure they’re ***clean*** and ***mold-free***. Comment below with what you're bringing. 😊🎲 4️⃣ Handle all games with care. Damage to Geekster’s games may incur a replacement fee. 💸⚠️ 5️⃣ No outside food or drinks (except plain water). Keep food and drinks away from games. 🚱🍔 6️⃣ Feeling unwell? Please stay home. Hosts may deny entry if needed. 🤒❌ 7️⃣ Keep an eye on your belongings; management isn’t responsible for lost items. 🎒👀 8️⃣ Theft = police report + permanent ban. 🚔🚨 Please join our **Telegram** group here for more details/updates: [https://t.me/+6r-3vSQcxwNjZjM1](https://t.me/+6r-3vSQcxwNjZjM1) **CONNECT WITH US!** **📌 Follow us on** [IG](https://www.instagram.com/geekster.sg/) **📌 Check out our latest arrivals and pre-orders on our** [website](https://www.geekster.sg/)

Free Tango trial class for complete beginners. No partner required. Free. Please register via WhatsApp +65 97627805.

Ciao! Parliamo italiano! Italian Language Conversation Meetup – Singapore Have you already started learning Italian and want to practice speaking in a relaxed and friendly setting? Whether you're a basic learner, intermediate, advanced—or a native speaker—you’re welcome to join us! Please note: This is not a formal language class and may not be suitable for absolute beginners with no prior exposure to Italian. However, it’s an excellent way to complement your learning (self-study, formal lessons, apps, etc.) through conversation. We’ll chat informally about any topic related to Italy or the Italian language, such as: Italian food & wine Movies & TV Music ⚽ Sports ✈️ Travel Language & culture …along with whatever participants feel like discussing! Ideal for: ✔ Learners with basic Italian knowledge and above ✔ Intermediate and advanced speakers ✔ Native Italians who enjoy meeting people and sharing culture Come along, meet fellow learners and native speakers, exchange stories, improve your confidence, and keep the spirit of Italy alive in Singapore! Non vediamo l’ora di parlarti! (We can’t wait to talk to you!) PS! The event is free, but it's appreciated if you make even the smallest purchase at the food court that kindly allows us to meet there.

**LEARN MANDARIN WITH US** **和我们一起学华语/普通话** Come and join us every Saturday afternoon and learn some useful Mandarin from proficient speakers in a friendly and casual atmosphere. Besides learning the language, you will also get to make new friends from all around the world. Whether you are a beginner, intermediate and advanced learner, we welcome you. The meetup starts at 4 pm. We will try our best to arrange seating at this time so that each group has expert Mandarin speakers. If you come later than 4.10 pm we cannot guarantee ideal seating. Seating priorities will be given to those who signed up. **欢迎会说华语/普通话的朋友** 我们非常欢迎会说华语/普通话的朋友来参加我们这个华语/普通话练习小组，帮助来自世界各地的朋友学习华语/普通话。 *** GETTING THERE Take Downtown (blue) Line or Circle (yellow) Line to Promenade MRT. Take Exit C at Promenade MRT, and go up to level 3. LOCATING US INSIDE THE FOOD COURT Look for a round tables section near the wall of the food court away from the stalls. You can drop the Event Host a message if you are lost. NO COMMERCIAL ACTIVITIES We welcome anyone who is keen to learn a language or help others learn the language. However, this is NOT the platform for individuals who have other intentions, such as recruiting members for their business or organization or selling products or services. We will not hesitate to ask such individuals to stop attending our meetups.

Contact: WhatsApp +6588016138 or +6586521735 Let's practice Russian language together in a friendly & casual atmosphere. We will have free conversations in Russian, get to know each other, play language games, or learn from other advanced or native speakers. We will try to divide learners into groups based on their levels of proficiency. Please let the organizers know your level when you sign up. Native and advanced speakers, please feel free to come share your knowledge of Russian language & help others to learn. We need as much help as possible! No teaching experience required. FAQ Q. I have never learned Russian, is it OK to join? A. Check with the organizers if there is a beginner group at the moment. Q. Do I need to pay? A. No! This event is free. Q. I can't find the organizer and the group, what shall I do? A. Please send a WhatsApp or call +6588016138 or +6586521735

Join Os Angoleiros do Interior on Saturday morning for a whole-body experience of Capoeira Angola! Come in comfortable clothes as we learn basic movements and tune our senses to the rhythm of Capoeira Angola. Welcome to all levels of movement experience, even if you have never heard of Capoeira! First class is free!

Whatsapp Philip for any questions: 8452 0693 Hola! Come and pick up some Spanish at Saturday Spanish: Sábado de Español. Learners of all ages and all levels are welcome. All our language-learning meetup events are free of charge. WE WANT SPANISH SPEAKERS TOO! We are on a constant lookout for proficient Spanish speakers (not necessarily native) to come and share their knowledge of the language and culture. If you speak the language, come and join us and make lots of friends. See you there amigos! Directions: https://maps.app.goo.gl/mRfYKAMXaL9rLLEz8 *** 1. NO COMMERCIAL ACTIVITIES We welcome anyone who is keen to learn a language or help others learn the language. However, this is NOT the platform for individuals who have other intentions, such as recruiting members for their business/organisation, WhatsApp groups or selling products or services. We will not hesitate to ask such individuals to stop attending our meetups if they have been found to be pestering our members for such purposes. 2\. GETTING THERE Take Downtown Line or Circle Line to Promenade MRT. At Promenade MRT take Exit C, turn right and walk into Suntec City, take the escalators or lift to level 3, you will find FOOD ARENA foodcourt next to Burger King. 3\. LOCATING US INSIDE THE FOOD COURT We usually will have a "SPANISH" sign at our table. You can ask the other language groups at the food court where the Spanish Group is sitting, they will help guide you.

All levels of German welcome :) If you're joining us for the first time, introduce yourself with the following: Hallo, mein Name ist _____. (hello, my name is ___) Ich bin _____. (i am ___) Meine Hobbys sind ______. (my hobbies are ___) We'll help with pronunciation and vocab, as far as we can :) Sometimes we have fixed topics, but usually it's just free form conversation. Look forward to a good chat with you! Chat with us on Instagram at @im.sinking.in.german!

The aim of this group is to get together and practice our German. Doesn’t matter if are a beginner or a native speaker. The goal is to speak and improve our German. Everyone is welcome! If the weather is good, look for us in the Biergarten. Pro Tip: Get there before 6:00 for happy hour pricing.

SATURDAY !! : This event is 2:30 - 4 pm SATURDAY. Conversation tends toward intermediate/advanced, but everybody is welcome. If you come and don't see us right away, keep looking. We could be anywhere in the restaurant.

Let's grab some coffee/food and share a morning chat! The East Market has an ample parking lot and outdoor and indoor seating. Grab a cup of coffee from Winston's Coffee & Waffles or on your way to East Market and meet us on the second floor - table behind or east of the elevator. Per what this group is about: "Everyone is welcome! International transplants to Columbus who want to improve language skills, Columbus residents who enjoy talking to people from other countries, and those who would like to discuss international travel and culture, and who enjoy getting together for good conversations."

Pickleball \| Singles \| 20s\, 30s\, 40s \| Ditch the Apps\. Hit the Courts\. DateColumbus Pickleball League **8 Weeks of Singles Pickleball - you joining us?!** Summer is calling, and we've got better plans for you than swiping right. DateColumbus's Pickleball League is back — 8 weeks of casual open play, rotating partners, new connections, and honestly? A really good time. Whether you've never held a paddle in your life or you've been playing for years, this league was built for you to show up, get moving, and meet people IRL. **Never played before? You're in the right place.** For the first three weeks, we'll have on-site instructors ready to walk you through the basics in the first 30 minutes — no experience needed, no pressure, just good vibes and a little coaching. Our volunteers are also on-site every Monday to get you settled on the courts, introduce you around, and make sure you leave with at least a few new faces in your contacts. **How it works:** We run open play — meaning you'll rotate courts AND partners throughout the night. Winners stay for one round before rotating, so there's always someone new to meet, rally with, and maybe grab a drink with after. Maximum mingling. Maximum fun. **[Ticket & Registration is linked here!](https://www.eventbrite.com/e/summer-pickleball-but-everyones-single-datecolumbus-tickets-1990356562056?aff=oddtdtcreator&keep_tld=true)** **What's included:** * Paddles available every week (or bring your own!) * Locker room on-site * Full restaurant + bar at Paddle Taps * Every Monday, 6:00–8:00 PM for 8 weeks * Eat, drink, and mingle during and after play * **Ready to meet your pickleball partner (and maybe more)?** Grab your spot now — courts fill up fast and so do summer schedules, see you soon :)

### Hofbräuhaus Columbus Dresden Stammtisch is a monthly social gathering for members and friends of Dresden Sister City, Inc. The event is free and open to the public. We speak German or English - it is largely up to you!