[TIL-20260122] ํ™˜๊ฒฝ์— ๋”ฐ๋ฅธ ๊ฐ’ ์„ค์ •ํ•˜๊ธฐ (Spring Environment, Kotlin buildList)

2026. 1. 22. 17:26ยทToday I Learned ๐Ÿง

 

 

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Local ๋ฐ Test ํ™˜๊ฒฝ์—๋งŒ ๊ฐ’ ์„ค์ •ํ•˜๊ธฐ

 

playground๋Š” ํ…Œ์ŠคํŠธ์šฉ์ด๋ผ ์šด์˜ํ™˜๊ฒฝ์—๋Š” ๋ฐ˜์˜๋˜๋ฉด ์•ˆ ๋˜๊ณ , local์ด๋‚˜ test ํ™˜๊ฒฝ์—์„œ๋งŒ ์„ค์ •๋˜์–ด์•ผ ํ•˜๋Š” ๊ฐ’์ด๋ผ

environment ๊ฐ์ฒด์™€ buildList๋ฅผ ์ด์šฉํ•˜์—ฌ ๋ฆฌํŒฉํ† ๋ง์„ ์ง„ํ–‰ํ•ด๋ณด์•˜๋‹ค.

environment ๊ฐ์ฒด๋Š” ์–ด๋–ค ํ™˜๊ฒฝ์ธ์ง€ ๊ตฌ๋ถ„ํ•˜๊ธฐ ์œ„ํ•ด์„œ ์‚ฌ์šฉ๋˜๊ณ , ํ…Œ์ŠคํŠธ ๋ฐ ๊ฐœ๋ฐœ ์ง„ํ–‰ํ•˜๋ฉด์„œ ์กฐ๊ฑด์ด ์ถ”๊ฐ€๋  ๊ฑธ ๋Œ€๋น„ํ•ด์„œ add()ํ•˜๊ธฐ ์œ ์šฉํ•œ buildList๋ฅผ ์ด์šฉํ–ˆ๋‹ค.

 

Spring Environment ๊ฐ์ฒด

 

์ฃผ์š” ๊ธฐ๋Šฅ 1. ํ”„๋กœํผํ‹ฐ ๊ฐ’ ์กฐํšŒ

 

val url = environment.getProperty("spring.datasource.url")

 

 

์ฃผ์š” ๊ธฐ๋Šฅ 2. ํ”„๋กœํŒŒ์ผ ํ™•์ธ

if (environment.acceptsProfiles(Profiles.of("test"))) {
    // test ํ™˜๊ฒฝ์ผ ๋•Œ๋งŒ ์‹คํ–‰
}

 

 

Kotlin - buildList

val x = listOf('b', 'c')

val y = buildList() {
    add('a')
    addAll(x)
    add('d')
}

println(y) // [a, b, c, d]
  • ์ฝ๊ธฐ ์ „์šฉ ๋ฆฌ์ŠคํŠธ๋ฅผ ๋งŒ๋“œ๋Š” Kotlin ํ•จ์ˆ˜
  • ๋‚ด๋ถ€์ ์œผ๋กœ๋Š” MutableList๋ฅผ ๋งŒ๋“ค์–ด์„œ ์š”์†Œ๋ฅผ ์ถ”๊ฐ€ํ•œ ํ›„ ์ด ๋ฆฌ์ŠคํŠธ๋ฅผ ์ฝ๊ธฐ ์ „์šฉ List๋กœ ๋ณ€ํ™˜ํ•ด ๋ฐ˜ํ™˜ํ•œ๋‹ค.
๋”๋ณด๊ธฐ

MutableList<E> ๋Š” ์š”์†Œ๋ฅผ ์ˆ˜์ •ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฆฌ์ŠคํŠธ ์ปฌ๋ ‰์…˜์„ ๋‚˜ํƒ€๋‚ด๋Š” ์ธํ„ฐํŽ˜์ด์Šค

 

(์ถœ์ฒ˜: https://kotlinlang.org/api/core/kotlin-stdlib/kotlin.collections/build-list.html)

 

 

 

์ €์ž‘์žํ‘œ์‹œ ๋น„์˜๋ฆฌ ๋ณ€๊ฒฝ๊ธˆ์ง€ (์ƒˆ์ฐฝ์—ด๋ฆผ)

'Today I Learned ๐Ÿง' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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'Today I Learned ๐Ÿง' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
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[TIL-20260122] ํ™˜๊ฒฝ์— ๋”ฐ๋ฅธ ๊ฐ’ ์„ค์ •ํ•˜๊ธฐ (Spring Environment, Kotlin buildList)
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