diff --git a/back/.classpath b/back/.classpath
index bb1e55b..67e0697 100644
--- a/back/.classpath
+++ b/back/.classpath
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" path="src">
+	<classpathentry kind="src" output="out/maven/classes" path="src">
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
@@ -15,7 +15,6 @@
 	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-14">
 		<attributes>
-			<attribute name="module" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
@@ -24,5 +23,22 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="src" path="out/maven/generated-sources/annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="out/maven/test-classes" path="out/maven/generated-test-sources/test-annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="out/maven/classes"/>
 </classpath>
diff --git a/back/.project b/back/.project
index 80e209d..582cc21 100644
--- a/back/.project
+++ b/back/.project
@@ -1,10 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <projectDescription>
-	<name>karauth</name>
+	<name>karauth_back</name>
 	<comment></comment>
 	<projects>
 	</projects>
 	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
 		<buildCommand>
 			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
 			<triggers>full,incremental,</triggers>
@@ -25,4 +30,15 @@
 		<nature>org.eclipse.jdt.core.javanature</nature>
 		<nature>org.eclipse.m2e.core.maven2Nature</nature>
 	</natures>
+	<filteredResources>
+		<filter>
+			<id>1647191868592</id>
+			<name></name>
+			<type>30</type>
+			<matcher>
+				<id>org.eclipse.core.resources.regexFilterMatcher</id>
+				<arguments>node_modules|.git|__CREATED_BY_JAVA_LANGUAGE_SERVER__</arguments>
+			</matcher>
+		</filter>
+	</filteredResources>
 </projectDescription>
diff --git a/back/Dockerfile b/back/Dockerfile
index 00c1cc6..5d62a25 100644
--- a/back/Dockerfile
+++ b/back/Dockerfile
@@ -17,5 +17,5 @@ WORKDIR /application/
 
 EXPOSE 17080
 
-CMD ["java", "-cp", "/application/application.jar", "org.kar.oauth.WebLauncher"]
+CMD ["java", , "-Xms64M", "-Xmx1G", "-cp", "/application/application.jar", "org.kar.oauth.WebLauncher"]
 
diff --git a/docker-compose.yaml b/docker-compose.yaml
index 849f00a..2bf9ba2 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -7,8 +7,12 @@ services:
     command: --default-authentication-plugin=mysql_native_password
     env_file:
       - ./config.env
+    ports:
+      - 17036:3306
+      # for test only....
     volumes:
-      - ./data:/var/lib/mysql
+      - /workspace/data/karauth/db:/var/lib/mysql
+    mem_limit: 400m
 
   karauth_adminer_service:
     image: adminer:latest
@@ -17,6 +21,7 @@ services:
       - 17079:8080
     links:
       - karauth_db_service:db
+    mem_limit: 100m
 
   karauth_back_service:
     build: back/
@@ -28,5 +33,6 @@ services:
       - ./config.env
     links:
       - karauth_db_service:db
+    mem_limit: 1200m