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 Java + Spring Boot

.gitignore for Spring Boot applications covering Java compilation and Maven/Gradle build artifacts.

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JavaSpring

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18 patterns · 349 B

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

# ---- Java ----
# Java
*.class
*.log
*.ctxt
.mtj.tmp/
*.jar
*.war
*.nar
*.ear
*.zip
*.tar.gz
*.rar
hs_err_pid*
replay_pid*

# ---- Spring ----
# Spring
target/
.gradle/
build/
application-local.properties
application-local.yml

Why use Java + Spring Boot together?

Spring Boot applications produce several artifact types: .class files from the Java compiler, JAR/WAR archives from Maven or Gradle, and potentially Docker images. The target/ (Maven) or build/ (Gradle) directories contain all compiled output and should not be committed.

A subtle but important Spring-specific pattern is ignoring application-local.properties and application-local.yml — these are local development overrides that often contain database credentials or external API keys.

Related combinations

gradle-java-spring java-jetbrains-spring

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 Java and Spring?: Spring Boot applications produce several artifact types: .class files from the Java compiler, JAR/WAR archives from Maven or Gradle, and potentially Docker images. The target/ (Maven) or build/ (Gradle) directories contain all compiled output and should not be committed.

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