diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8494236
--- /dev/null
+++ b/.gitignore
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+# ============================================================================
+# Lions User Manager - Server API - .gitignore
+# ============================================================================
+
+# Maven
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+.mvn/wrapper/maven-wrapper.jar
+
+# Build artifacts
+*.jar
+*.war
+*.ear
+*.class
+*.idx
+
+# Eclipse
+.project
+.classpath
+.settings/
+.metadata/
+bin/
+
+# IntelliJ IDEA
+.idea/
+*.iml
+*.iws
+*.ipr
+out/
+
+# NetBeans
+nbproject/
+nbbuild/
+nbdist/
+.nb-gradle/
+
+# VS Code
+.vscode/
+*.code-workspace
+
+# Mac
+.DS_Store
+
+# Windows
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+
+# Logs
+logs/
+*.log
+*.log.*
+hs_err_pid*.log
+
+# Temporary files
+*.tmp
+*.bak
+*.swp
+*~
+*.orig
+
+# Test files and reports
+test_output*.txt
+surefire-reports/
+failsafe-reports/
+*.dump
+*.dumpstream
+
+# Test coverage
+.jacoco/
+jacoco.exec
+coverage/
+target/site/jacoco/
+
+# Generated sources
+generated-sources/
+generated-test-sources/
+
+# Maven status
+maven-status/
+
+# Build metrics
+build-metrics.json
+
+# IDE specific
+*.sublime-project
+*.sublime-workspace
+
+# OS specific
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+
+# Lombok configuration (généré automatiquement)
+lombok.config
+
+# Environment files
+.env
+.env.local
+.env.*.local
+