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teadmu/README.md

๐ŸŽ“ ๊ต์œก

  • ๊ฐ€ํ†จ๋ฆญ๋Œ€ํ•™๊ต ์ปดํ“จํ„ฐ๊ณตํ•™/์ค‘๊ตญ์–ธ์–ด๋ฌธํ™”ํ•™๊ณผ (2025.08 ์กธ์—…, ์ „๊ณต ํ•™์  4.0)
  • ํ•˜๋‚˜์€ํ–‰ ๊ธˆ์œต ์„œ๋น„์Šค ๊ฐœ๋ฐœ ๋ถ€ํŠธ์บ ํ”„ ์šฐ์ˆ˜ ์ˆ˜๋ฃŒ (2024.08 - 2025.02)
  • ๊ตฌ๋ฆ„ ํ”„๋กœํŽ™ํŠธ ํด๋ผ์šฐ๋“œ ์—”์ง€๋‹ˆ์–ด๋ง (2025.07 - 2025.09)

๐Ÿ“œ ์ž๊ฒฉ์ฆ

  • ์ •๋ณด์ฒ˜๋ฆฌ๊ธฐ์‚ฌ (2023)

๐Ÿš€ ๋Œ€ํ‘œ ํ”„๋กœ์ ํŠธ

1. MSA ๋กœ๊น… ๋ชจ๋‹ˆํ„ฐ๋ง ์‹œ์Šคํ…œ ๊ตฌ์ถ• 2025.09

GitHub

Backend + DevOps | EKS, Kinesis, Kinesis Data Analytics, Loki, Grafana

ํ”„๋กœ์ ํŠธ ์ƒ์„ธ๋ณด๊ธฐ

๐Ÿ“ˆ ์ฃผ์š” ์„ฑ๊ณผ

โœจ ๊ฐœ๋ฐœ ์ƒ์‚ฐ์„ฑ 300% ํ–ฅ์ƒ: ์ปค์Šคํ…€ ๋กœ๊น… ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ๋กœ ์• ๋…ธํ…Œ์ด์…˜ ํ•˜๋‚˜๋กœ ๋กœ๊ทธ ๋ถ„๋ฅ˜ ์ž๋™ํ™”
๐Ÿ” ๋ถ„์‚ฐ ์ถ”์ : 7๊ฐœ MSA์—์„œ Request ID ํ•˜๋‚˜๋กœ ์ „์ฒด ์ถ”์  ๊ฐ€๋Šฅ โ†’ ๋””๋ฒ„๊น… ์‹œ๊ฐ„ 80% ๋‹จ์ถ•
๐Ÿ“Š ํ†ตํ•ฉ ๋ชจ๋‹ˆํ„ฐ๋ง: Prometheus + Loki + Grafana ์Šคํƒ ๊ตฌ์ถ• โ†’ ์žฅ์•  ๋Œ€์‘ 70% ๋‹จ์ถ•

๐Ÿ”ง ํ•ต์‹ฌ ๊ตฌํ˜„

  • ์ปค์Šคํ…€ ๋กœ๊น… ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ: AOP ๊ธฐ๋ฐ˜ ๋„๋ฉ”์ธ๋ณ„ ์ž๋™ ๋กœ๊ทธ ๋ถ„๋ฅ˜ (@StatefulLog, @StatelessLog, @RecommendationLog)
  • ๋ถ„์‚ฐ ์ถ”์  ์‹œ์Šคํ…œ: MDC + Filter๋กœ 16์ž๋ฆฌ Request ID ์ƒ์„ฑ/์ „ํŒŒ, Kafka ํ—ค๋” ์ „ํŒŒ๋กœ ๋น„๋™๊ธฐ ์ฒ˜๋ฆฌ ์ถ”์ 
  • ์‹ค์‹œ๊ฐ„ ๋กœ๊ทธ ํŒŒ์ดํ”„๋ผ์ธ: Fluent Bit โ†’ Kinesis (3๊ฐœ ํƒ€์ž…๋ณ„ ์ŠคํŠธ๋ฆผ) โ†’ Kinesis Data Analytics ๋“€์–ผ ์ŠคํŠธ๋ฆผ ์ฒ˜๋ฆฌ
  • ํ†ตํ•ฉ ๋ชจ๋‹ˆํ„ฐ๋ง: Helm Chart ๊ธฐ๋ฐ˜ Loki/Prometheus/Grafana ํ‘œ์ค€ํ™” ๋ฐฐํฌ, Alert Manager SNS ์—ฐ๋™

2. MSA ์ธํ”„๋ผ ๊ตฌ์ถ• 2025.08

GitHub

Infrastructure Design & DevOps | AWS ECS, GitHub Actions

ํ”„๋กœ์ ํŠธ ์ƒ์„ธ๋ณด๊ธฐ

๐Ÿ“ˆ ์ฃผ์š” ์„ฑ๊ณผ

๐Ÿšข ๋ฐฐํฌ ์‹œ๊ฐ„ 58% ๋‹จ์ถ• (1์‹œ๊ฐ„โ†’25๋ถ„): Git diff ๋ณ€๊ฒฝ ๊ฐ์ง€ + Matrix ๋ณ‘๋ ฌ ๋ฐฐํฌ
๐Ÿ”„ ๋ฌด์ค‘๋‹จ ๋ฐฐํฌ: ECS Blue/Green ์ „ํ™˜ + ์ž๋™ ๋กค๋ฐฑ
๐Ÿ“ฆ ์ค‘๋ณต ์ฝ”๋“œ 80% ์ œ๊ฑฐ: auto-time/auto-response ๊ณตํ†ต ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ

๐Ÿ”ง ํ•ต์‹ฌ ๊ตฌํ˜„

  • CI/CD ์ž๋™ํ™”: GitHub Actions Git diff๋กœ ๋ณ€๊ฒฝ ์„œ๋น„์Šค๋งŒ ์ž๋™ ๊ฐ์ง€, Matrix ๋ณ‘๋ ฌ ๋ฐฐํฌ๋กœ ์‹œ๊ฐ„ ๋‹จ์ถ•
  • ๋ฌด์ค‘๋‹จ ๋ฐฐํฌ: ECS Blue/Green ์ „ํ™˜, ํ—ฌ์Šค์ฒดํฌ ์‹คํŒจ ์‹œ ์ž๋™ ๋กค๋ฐฑ
  • ํ™˜๊ฒฝ๋ณ„ ์„ค์ • ๊ด€๋ฆฌ: AWS Secrets Manager + Spring Profile๋กœ local/dev/prod ํ™˜๊ฒฝ ๋ถ„๋ฆฌ

3. ๋ฐฐ๋‹ฌ ์ฃผ๋ฌธ ๊ด€๋ฆฌ ํ”Œ๋žซํผ 2025.07

GitHub

Backend Architecture | JPA, Redis, PostgreSQL

ํ”„๋กœ์ ํŠธ ์ƒ์„ธ๋ณด๊ธฐ

๐Ÿ“ˆ ์ฃผ์š” ์„ฑ๊ณผ

โœ… ํœด๋จผ ์—๋Ÿฌ 100% ์ œ๊ฑฐ: JPA Entity Listener๋กœ TimeData ์ž๋™ ๊ด€๋ฆฌ (์ฃผ 23๊ฑดโ†’0๊ฑด)
โšก ์‘๋‹ต์‹œ๊ฐ„ 90% ๊ฐœ์„  (200msโ†’20ms): Redis Cache-Aside ํŒจํ„ด
๐Ÿ—๏ธ ๊ฐœ๋ฐœ ์‹œ๊ฐ„ 82% ๋‹จ์ถ•: ๋ฒ”์šฉ Repository๋กœ ์—”ํ‹ฐํ‹ฐ ๊ฐœ๋ฐœ 45๋ถ„โ†’8๋ถ„

๐Ÿ”ง ํ•ต์‹ฌ ๊ตฌํ˜„

  • JPA Entity Listener ์ž๋™ํ™”: UUID ๊ธฐ๋ฐ˜ TimeData ์ค‘์•™ ๊ด€๋ฆฌ, @PrePersist/@PreUpdate๋กœ ์ƒ์„ฑ/์ˆ˜์ • ์‹œ๊ฐ„ ์ž๋™ ์„ค์ •
  • ๋ฒ”์šฉ Repository: Reflection ๊ธฐ๋ฐ˜ ๋™์  ์ฟผ๋ฆฌ, JOIN FETCH๋กœ N+1 ๋ฐฉ์ง€, ์†Œํ”„ํŠธ ์‚ญ์ œ ์ž๋™ํ™”
  • ์„ฑ๋Šฅ ์ตœ์ ํ™”: Redis Cache-Aside ํŒจํ„ด์œผ๋กœ ์žฅ๋ฐ”๊ตฌ๋‹ˆ DB ๋ถ€ํ•˜ 90% ๊ฐ์†Œ

4. ๋ผ์ดํ”„์˜จํ•˜๋‚˜ - ๊ธˆ์œต ์Šˆํผ์•ฑ 2025.01-02

GitHub

AI Recommendation System | KB-ALBERT, Redis Vector Search, Claude API

ํ”„๋กœ์ ํŠธ ์ƒ์„ธ๋ณด๊ธฐ

๐Ÿ“ˆ ์ฃผ์š” ์„ฑ๊ณผ

๐Ÿค– ์ถ”์ฒœ ์ •ํ™•๋„ ํ–ฅ์ƒ: KB-ALBERT ๊ธˆ์œต ํŠนํ™” ๋ชจ๋ธ + ํ•˜์ด๋ธŒ๋ฆฌ๋“œ ์ถ”์ฒœ (์ปจํ…์ธ  70% + ํ˜‘์—… ํ•„ํ„ฐ๋ง 30%)
๐Ÿ“š ์šฉ์–ด ์ ‘๊ทผ์„ฑ ๊ฐœ์„ : BERT ๊ธฐ๋ฐ˜ ์–ด๋ ค์šด ์šฉ์–ด ์ž๋™ ์ถ”์ถœ + Claude API ์‹ค์‹œ๊ฐ„ ์„ค๋ช…
โšก ์‘๋‹ต ์†๋„ ๊ฐœ์„ : Redis Vector Search๋กœ 1์ดˆ ์ด๋‚ด ์ถ”์ฒœ, Redis ์บ์‹ฑ์œผ๋กœ DB ๋ถ€ํ•˜ 90% ๊ฐ์†Œ

๐Ÿ”ง ํ•ต์‹ฌ ๊ตฌํ˜„

  • KB-ALBERT ๋ฒกํ„ฐ ๊ฒ€์ƒ‰: Redis Stack HNSW ์ธ๋ฑ์Šค ๊ธฐ๋ฐ˜ ์œ ์‚ฌ๋„ ๊ฒ€์ƒ‰, ์ปจํ…์ธ  ๊ธฐ๋ฐ˜ + ํ˜‘์—… ํ•„ํ„ฐ๋ง ํ•˜์ด๋ธŒ๋ฆฌ๋“œ
  • ์–ด๋ ค์šด ์šฉ์–ด ์ถ”์ถœ: BERT ๋ฌธ๋งฅ ๋ถ„์„(70%) + Korpora ๋นˆ๋„ ๋ถ„์„(30%) ํ•˜์ด๋ธŒ๋ฆฌ๋“œ

5. ์Šค์ผ€์ค„ ํ•˜๋‚˜๋กœ - ์ƒ๋‹ด ํ†ตํ•ฉ ๊ด€๋ฆฌ ํ”Œ๋žซํผ 2024.10-12

GitHub

Backend | Spring Boot, MySQL, WebSocket

ํ”„๋กœ์ ํŠธ ์ƒ์„ธ๋ณด๊ธฐ

๐Ÿ“ˆ ์ฃผ์š” ์„ฑ๊ณผ

๐Ÿ’ฌ FAQ ์ถ”์ฒœ ์‹œ์Šคํ…œ: TF-IDF + ์ฝ”์‚ฌ์ธ ์œ ์‚ฌ๋„๋กœ ์œ ์‚ฌ ์งˆ๋ฌธ ์ž๋™ ์ถ”์ฒœ
๐Ÿ”„ ์‹ค์‹œ๊ฐ„ ๋™๊ธฐํ™”: WebSocket ๊ธฐ๋ฐ˜ ๋Œ€๋ฉด์ƒ๋‹ด ๋ฒˆํ˜ธํ‘œ ์‹ค์‹œ๊ฐ„ ์—…๋ฐ์ดํŠธ

๐Ÿ”ง ํ•ต์‹ฌ ๊ตฌํ˜„

  • FAQ ์ถ”์ฒœ ์•Œ๊ณ ๋ฆฌ์ฆ˜: TF-IDF ๋ฒกํ„ฐํ™” + ์ฝ”์‚ฌ์ธ ์œ ์‚ฌ๋„๋กœ ๊ธฐ์กด FAQ ์ค‘ ์œ ์‚ฌํ•œ ๋‹ต๋ณ€ ์ž๋™ ์ถ”์ฒœ
  • ์‹ค์‹œ๊ฐ„ ๋ฒˆํ˜ธํ‘œ ์‹œ์Šคํ…œ: WebSocket์„ ํ™œ์šฉํ•œ ๋Œ€๋ฉด์ƒ๋‹ด ๋ฒˆํ˜ธํ‘œ ์‹ค์‹œ๊ฐ„ ๋™๊ธฐํ™”

๐Ÿ›  Tech Stack

๐Ÿ’ป Backend & Languages

Java Spring Boot Spring Cloud JPA Hibernate Python Flask

๐Ÿ—„๏ธ Database & Cache

PostgreSQL MySQL Redis DocumentDB

๐Ÿ“ก Streaming & Messaging

Kafka MSK Kinesis Kinesis Analytics

๐Ÿค– AI & Machine Learning

PyTorch Transformers BERT Claude Vector Search

โ˜๏ธ Cloud & Infrastructure

AWS EKS ECS ECR S3 CloudWatch Kubernetes Docker Helm

๐Ÿ“Š Monitoring & Observability

Prometheus Grafana Loki Fluent Bit

๐Ÿ“ฆ Tools

GitHub Actions Git Jira Slack

๐Ÿ† Algorithm

Solved.ac Profile

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