diff --git a/gradle.properties b/gradle.properties
index 361e37f..803ca0b 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -12,5 +12,6 @@ escoGLCVersion=1.0.0
 wisemappingVersion=5.0.21-recia-1.1.0
 escoCollabsoftVersion=0.4.0
 escoParamuseretabVersion=0.0.1
+siENTAPIVersion=0.0.1-SNAPSHOT
 
 org.gradle.parallel=true
diff --git a/overlays/si-ent-api/build.gradle b/overlays/si-ent-api/build.gradle
new file mode 100644
index 0000000..e2823b3
--- /dev/null
+++ b/overlays/si-ent-api/build.gradle
@@ -0,0 +1,9 @@
+dependencies {
+    runtime "fr.recia.fr.recia.api:esco-si-ent-api:${siENTAPIVersion}@war"
+}
+
+war {
+    archiveName = 'si-ent-api.war'
+
+    classpath = classpath.files
+}
diff --git a/overlays/si-ent-api/src/main/resources/logback.xml b/overlays/si-ent-api/src/main/resources/logback.xml
new file mode 100644
index 0000000..b0cbe10
--- /dev/null
+++ b/overlays/si-ent-api/src/main/resources/logback.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<configuration scan="true" scanPeriod="30 seconds">
+    <contextName>si-ent-api</contextName>
+    <jmxConfigurator/>
+
+    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <file>${LOG_DIR}/${CONTEXT_NAME}.log</file>
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <fileNamePattern>${LOG_DIR}/archives/${CONTEXT_NAME}.%d{yyyy-MM-dd}.log.gz
+            </fileNamePattern>
+            <maxHistory>366</maxHistory>
+        </rollingPolicy>
+        <encoder>
+            <charset>UTF-8</charset>
+            <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level [%thread] %logger: %msg%n</Pattern>
+        </encoder>
+    </appender>
+
+    <appender name="AUTH" class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <file>${LOG_DIR}/${CONTEXT_NAME}-auth.log</file>
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <fileNamePattern>${LOG_DIR}/archives/${CONTEXT_NAME}-auth.%d{yyyy-MM-dd}.log.gz
+            </fileNamePattern>
+            <maxHistory>366</maxHistory>
+        </rollingPolicy>
+        <encoder>
+            <charset>UTF-8</charset>
+            <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level [%thread] %logger: %msg%n</Pattern>
+        </encoder>
+    </appender>
+
+
+    <logger name="fr.recia" level="WARN"/>
+    <logger name="org" level="WARN"/>
+
+    <logger name="fr.recia.si.ent.api.config.security.AuthenticationService" level="INFO" additivity="false">
+        <appender-ref ref="AUTH" />
+    </logger>
+
+    <root level="INFO">
+        <appender-ref ref="FILE"/>
+    </root>
+
+    <contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
+        <resetJUL>true</resetJUL>
+    </contextListener>
+
+</configuration>
diff --git a/settings.gradle b/settings.gradle
index 38514b9..cfa4dcf 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -17,3 +17,4 @@ include "overlays:GLC"
 include 'overlays:wisemapping'
 include 'overlays:collabsoft'
 include 'overlays:paramuseretab'
+include 'overlays:si-ent-api'