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์ด๊ถŒํฌ ํฌํŠธํด๋ฆฌ์˜ค

1. ๊ธฐ์ˆ  ์Šคํƒ

Backend ORM SQL Cloud Front
Spring JPA MySQL AWS HTML
Spring Boot QueryDSL - Docker JavaScript
- MyBatis - Raspberry -

2. ์†Œ๊ฐœ

ํ˜„์žฌ์— ์‚ด๊ณ  ์ง€๊ธˆ ๋‚ด๊ฐ€ ํ•  ์ˆ˜ ์žˆ๋Š” ์ตœ์„ ์„ ๋‹คํ•˜์ž!
๊ณ ๋“ฑํ•™๊ต ๋•Œ The Present๋ผ๋Š” ์ฑ…์—์„œ ์ฝ์€ ๋ช…์–ธ์ž…๋‹ˆ๋‹ค. ๊ณผ๊ฑฐ์˜ ํ›„ํšŒ์™€ ๋ฏธ๋ž˜์˜ ๊ฑฑ์ •๋ณด๋‹ค๋Š” ํ˜„์žฌ์—์„œ ๋‚ด๊ฐ€ ํ•  ์ˆ˜ ์žˆ๋Š” ์ตœ๊ณ ๋ฅผ ์ฐพ๊ณ  ๋‚ด๊ฐ€ ํ•  ์ˆ˜ ์žˆ๋Š” ์ตœ์„ ์„ ๋‹คํ•˜๋Š” ๊ฒƒ์ด ์ œ ๋ชฉํ‘œ์ž…๋‹ˆ๋‹ค. ์–ธ์ œ๋‚˜ ์–ด์ œ๋ณด๋‹ค ํ•œ ๋ฐœ์ž๊ตญ ๋” ๋‚˜์•„์ง€๊ธฐ ์œ„ํ•ด ๋…ธ๋ ฅํ•˜๋Š” ๊ฐœ๋ฐœ์ž๊ฐ€ ๋˜๊ฒ ์Šต๋‹ˆ๋‹ค! ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค!

3. ํ”„๋กœ์ ํŠธ (ํฌํŠธ ํด๋ฆฌ์˜ค)

1. ํŽ€๋”ฉ ํ”Œ๋žซํผ with U

์†Œ๊ฐœ ํŽ€๋”ฉ ํ”Œ๋ ›ํผ
๊ฐœ๋ฐœ ๊ธฐ๊ฐ„ 2025/04 ~ (์ง„ํ–‰ ์ค‘)
์ธ์› frontend3, backend1
์—ญํ•™ backend

-- ๊ตฌํ˜„ํ•œ ์ฃผ์š” ๊ธฐ๋Šฅ

๊ตฌํ˜„ํ•œ ์ฃผ์š” ๊ธฐ๋Šฅ ๊ตฌํ˜„ ๋ฐฉ์‹
๋ฐฐํฌ ์ž๋™ํ™” Git CI,CD / Docker
toss ๊ฒฐ์ œ toss ๊ฒฐ์ œ api๋ฅผ ์‚ฌ์šฉํ•œ ๊ฒฐ์ œ ์‹œ์Šคํ…œ ๊ตฌํ˜„
img service ์„œ๋ฒ„์— img์ €์žฅ, nginx ์„œ๋น™ / Aop img rollback ๊ตฌํ˜„
login ๊ธฐ๋Šฅ jwt token, spring security, OAuth2
์ด์™ธ ๊ธฐ๋Šฅ --

-- ๋ฌธ์ œ ํ•ด๊ฒฐ

๋ฌธ์ œ 1. img transaction

๋ฌธ์ œ์  : db transaction์— img ํŒŒ์ผ์ด rollback๋˜์ง€ ์•Š์Œ

๊ณ ๋ฏผํ•œ ํ•ด๊ฒฐ ๋ฐฉ์•ˆ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•
1. Spring TransactionSynchronization afterCommit, beforeCommitํ•จ์ˆ˜ ์‚ฌ์šฉ
2. Aop๋ฅผ ์‚ฌ์šฉํ•œ Custom Transaction ๊ตฌํ˜„ Aop๋ฅผ ์‚ฌ์šฉํ•ด์„œ ์ €์žฅ๋œ Img๋“ค์˜ Path๋ฅผ ์ €์žฅํ•˜๊ณ  Exception๋ฐœ์ƒ์‹œ imgํŒŒ์ผ rollback

์ตœ์ข… ์„ ํƒ : 2. Aop๋ฅผ ์‚ฌ์šฉํ•œ Custom Transaction ๊ตฌํ˜„
@ImgTransaction
Img๊ด€๋ จ ํ•จ์ˆ˜์—์„œ img ์ €์ • ํ•  ๋•Œ ์ €์žฅ๋œ Path๋ฅผ ์ €์žฅํ•˜๊ณ  Exception๋ฐœ์ƒ ์‹œ Path์˜ img ํŒŒ์ผ๋“ค์„ ์ง€์›€

๋ฌธ์ œ 2. Service Layer ์˜์กด์„ฑ ๊ด€๋ฆฌ

๋ฌธ์ œ์  : service layer๊ฐ€ ๋‹ค๋ฅธ service๋ฅผ ์˜์กดํ•˜๋ฉด์„œ ๋ฐœ์ƒํ•œ Circular References

์ด์ „ ๋ฐฉ์‹ ๊ฐœ์„  ๋ฐฉ์‹
domain๋ณ„ ํ•œ๊ฐœ์˜ service ๊ธฐ๋Šฅ ๋ณ„ service ๋ถ„๋ฆฌ
๋‹จ์ผ service layer service layer, module service layer ๋ถ„๋ฆฌ

๊ฒฐ๋ก 
1. ๊ธฐ๋Šฅ ๋ณ„ service ๋ถ„๋ฆฌ
2. service layer(module service layer์˜์กด)/module service layer(repository์˜์กด) ๋ถ„๋ฆฌ

image image

2. ์งˆ๋ฌธ ํ•˜๋‚˜, ๋งˆ์Œ์†์— ๋‚จ๋Š” ์—ฌ์šด

์†Œ๊ฐœ ์‚ฌ์šฉ์ž ์ฃผ๋„ ์ž๊ธฐ์„ฑ์ฐฐ Q&A ์„œ๋น„์Šค
๊ฐœ๋ฐœ ๊ธฐ๊ฐ„ 2025/02 ~ 2025/05 (2๋‹ฌ) / 2025/06(user test)
์ธ์› ๊ธฐํš์ž1, ๋””์ž์ด๋„ˆ1, backend2, front2
์—ญํ•  backend

-- ๊ตฌํ˜„ํ•œ ์ฃผ์š” ๊ธฐ๋Šฅ

๊ตฌํ˜„ํ•œ ์ฃผ์š” ๊ธฐ๋Šฅ ๊ตฌํ˜„ ๊ธฐ์ˆ 
login, security jwt token, spring security, google social login
์‹ค์‹œ๊ฐ„ ์•Œ๋ฆผ ์„œ๋น„์Šค SSE Socket (Server Sent Event Socket)
๊ฒŒ์‹œํŒ ๋Œ“๊ธ€ ์ถ”๊ฐ€/์ˆ˜์ • spring boot, jpa

-- ๋ฌธ์ œ ํ•ด๊ฒฐ

๋ฌธ์ œ 1. ๋น„ํšŒ์› ๋กœ์ง

๊ธฐํš: ๋ชจ๋“  ๋น„ํšŒ์›์—๊ฒŒ ๊ฐ™์€ ์˜ค๋Š˜์˜ ์งˆ๋ฌธ์ด ์•„๋‹Œ ๊ฐ์ž ๋‹ค๋ฅธ ์˜ค๋Š˜์˜ ์งˆ๋ฌธ์„ ๋ Œ๋”๋งํ•ด์ฃผ์„ธ์š”!
๋ฌธ์ œ์ : ๋ชจ๋“  ๋น„ํšŒ์›์„ server์—์„œ ๊ด€๋ฆฌํ•ด์•ผ ํ•จ

๊ณ ๋ฏผํ•œ ํ•ด๊ฒฐ ๋ฐฉ์•ˆ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•
1. redis ๋„์ž… redis์„ ๋„์ž…ํ•ด์„œ ๋น„ํšŒ์›์„ ๊ด€๋ฆฌ
2. ๊ธฐ์กด ํšŒ์› ํ†ตํ•ฉ ๋ชจ๋“  ๋น„ํšŒ์›์—๊ฒŒ ๋น„ํšŒ์› token์„ ๋ฐœ๊ธˆํ•ด์„œ db๋ฅผ ํ†ตํ•ด ๊ด€๋ฆฌํ•œ๋‹ค

์ตœ์ข… ์„ ํƒ: ๊ธฐ์กด ํšŒ์› ํ†ตํ•ฉ ๋ฐฉ์‹

๋น„ํšŒ์›์˜ ์ •๋ณด ๋˜ํ•œ ํœ˜๋ฐœ์„ฑ์ด ๋˜์–ด์„œ๋Š” ์•ˆ๋œ๋‹ค.
aws์„ฑ๋Šฅ๊ณผ ๊ฐœ๋ฐœ ๊ธฐ๊ฐ„์„ ๊ณ ๋ คํ–ˆ์„ ๋•Œ redis๋„์ž…์€ ์–ด๋ ต๋‹ค.

๋ฌธ์ œ 2. ๋ฐฐํฌ ํ™˜๊ฒฝ์—์„œ์˜ socket ๊ด€๋ฆฌ

๊ธฐํš: ์‹ค์‹œ๊ฐ„ ์•Œ๋ฆผ ๊ธฐ๋Šฅ์„ ๋งŒ๋“ค์–ด ์ฃผ์„ธ์š”!
๋„์ž… ๊ธฐ์ˆ : SSE Socket (๋‹จ๋ฐฉํ–ฅ Server Sent Event Socket)

๋ฌธ์ œ์  ํ•ด๊ฒฐ ๋ฐฉ์•ˆ
๋„คํŠธ์›Œํฌ ๋ฌธ์ œ๋กœ socket ๋Š์–ด์ง„ ๊ฒฝ front์—์„œ socket์ด ๋Š์–ด์ง„ ๊ฒฝ์šฐ 5์ดˆ ํ›„์— ๋‹ค์‹œ ์—ฐ๊ฒฐํ•˜๋Š” ๋กœ์ง ๊ตฌํ˜„
๋„คํŠธ์›Œํฌ ๋ฌธ์ œ๋กœ ์Œ“์—ฌ์ง„ ๋ฌด์ˆ˜ํ•œ socket ์š”์ฒญ์ด backend์— ๋„์ฐฉํ•  ๊ฒฝ์šฐ server ์˜ ๋ถ€๋‹ด server์˜ socket์ด ๋‚จ์•„ ์žˆ๋Š” ๊ฒฝ์šฐ ํ•ด๋‹น socket์„ ๋‹ค์‹œ ๋ฐ˜ํ™˜

์ตœ์ข… ํ•ด๊ฒฐ: ๋Œ€๋ถ€๋ถ„์˜ ๋„คํŠธ์›Œํฌ ์ƒํ™ฉ์— ๋Œ€๋น„ํ•œ socket ๊ธฐ๋Šฅ ๊ตฌํ˜„ ์™„๋ฃŒ

image image

4. ๋Œ€์™ธ ํ™œ๋™ / ์ˆ˜์ƒ๊ฒฝ๋ ฅ

  1. 2024/12 ์ „๊ตญ ์ฐฝ์˜์ฝ”๋”ฉ ๊ฒฝ์ง„๋Œ€ํšŒ ์ฐธ์—ฌ

5. ์ž๊ฒฉ์ฆ

  1. sqld
  2. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค PCCE Lv.4

6. ํ•™์œ„

  1. ๋™์–‘๋ฏธ๋ž˜ ๋Œ€ํ•™๊ต (3๋…„)

Contact

์ด๋ฉ”์ผ : lkh8033@gmail.com
velog : https://velog.io/@lkh8033/series

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