Do I need to commit .gitignore?

Yes — .gitignore should be committed to the repository so all collaborators benefit from the same ignore rules.

How do I add custom patterns?

Open your .gitignore file and add the pattern on a new line. Use # for comments, * for wildcards, / to match directories, and ! to un-ignore a previously ignored path.

How do I ignore a file that is already tracked?

Adding a file to .gitignore does not remove it from tracking if it was previously committed. Run: git rm --cached to stop tracking it without deleting the file locally.

.gitignore for Kotlin + Spring Boot

.gitignore for Kotlin Spring Boot applications covering Gradle build output and IDE metadata.

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KotlinSpring

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16 patterns · 399 B

# Generated by DevZone Tools — https://devzone.tools/tools/gitignore-generator
# Templates: Kotlin, Spring
# 2026-04-20

# ---- Kotlin ----
# Kotlin
.gradle/
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
*.class
*.log
.idea/
*.iml
/local.properties

# ---- Spring ----
# Spring
target/
*.war
*.ear
*.jar
application-local.properties
application-local.yml

Why use Kotlin + Spring Boot together?

Kotlin Spring Boot projects typically use Gradle as the build tool and IntelliJ IDEA as the IDE. This combination covers Gradle caches (.gradle/), Kotlin/Java compiled output (build/, .class files), and IntelliJ project metadata (.idea/, .iml).

Gradle wrapper files (gradlew, gradlew.bat, gradle/wrapper/) should always be committed in Kotlin/Spring projects — they ensure reproducible builds without requiring a pre-installed Gradle.

Related combinations

java-spring gradle-kotlin

Frequently asked questions

Do I need to commit .gitignore?: Yes — .gitignore should be committed to the repository so all collaborators benefit from the same ignore rules.
How do I add custom patterns?: Open your .gitignore file and add the pattern on a new line. Use # for comments, * for wildcards, / to match directories, and ! to un-ignore a previously ignored path.
How do I ignore a file that is already tracked?: Adding a file to .gitignore does not remove it from tracking if it was previously committed. Run: git rm --cached <file> to stop tracking it without deleting the file locally.
Why combine Kotlin and Spring?: Kotlin Spring Boot projects typically use Gradle as the build tool and IntelliJ IDEA as the IDE. This combination covers Gradle caches (.gradle/), Kotlin/Java compiled output (build/, .class files), and IntelliJ project metadata (.idea/, .iml).

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