diff --git a/Dockerfile b/Dockerfile
index 5c8ebe8..923f08f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,14 +1,6 @@
-FROM openjdk:11 as builder
-WORKDIR application
-ARG JAR_FILE=target/*.jar
-COPY ${JAR_FILE} application.jar
-RUN java -Djarmode=layertools -jar application.jar extract
-
 FROM openjdk:11
-WORKDIR application
-COPY --from=builder application/dependencies/ ./
-COPY --from=builder application/spring-boot-loader/ ./
-COPY --from=builder application/snapshot-dependencies/ ./
-COPY --from=builder application/application/ ./
-ENTRYPOINT ["java", "org.springframework.boot.loader.JarLauncher"]
 EXPOSE 8080
+WORKDIR application
+ARG JAR_FILE=target/*.jar
+ADD ${JAR_FILE} application.jar
+ENTRYPOINT ["java","-jar","application.jar"]
diff --git a/docker-compose.yml b/docker-compose.yml
index b0bd32a..38c4534 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,12 +9,13 @@ services:
     environment:
       - MYSQL_ROOT_PASSWORD=$MYSQLDB_ROOT_PASSWORD
       - MYSQL_DATABASE=$MYSQLDB_DATABASE
+      - MYSQL_ROOT_HOST="%"
     ports:
       - $MYSQLDB_LOCAL_PORT:$MYSQLDB_DOCKER_PORT
     healthcheck:
       test: [ "CMD", "mysqladmin" ,"ping", "-h", "localhost" ]
-      timeout: 30s
-      retries: 3
+      timeout: 60s
+      retries: 5
   app:
     depends_on:
       mysqldb:
@@ -31,6 +32,7 @@ services:
         "spring.datasource.url" : "jdbc:mysql://mysqldb:$MYSQLDB_DOCKER_PORT/$MYSQLDB_DATABASE",
         "spring.datasource.username" : "$MYSQLDB_USER",
         "spring.datasource.password" : "$MYSQLDB_ROOT_PASSWORD",
+        "spring.jpa.properties.hibernate.dialect" : "org.hibernate.dialect.MySQL8Dialect",
         "spring.datasource.driver-class-name" : "com.mysql.cj.jdbc.Driver",
         "spring.jpa.hibernate.ddl-auto" : "create-drop"        
       }'
diff --git a/src/main/java/org/company/aircompaniesmanager/controller/HealthController.java b/src/main/java/org/company/aircompaniesmanager/controller/HealthController.java
deleted file mode 100644
index 76d8c42..0000000
--- a/src/main/java/org/company/aircompaniesmanager/controller/HealthController.java
+++ /dev/null
@@ -1,12 +0,0 @@
-package org.company.aircompaniesmanager.controller;
-
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.RestController;
-
-@RestController
-public class HealthController {
-    @GetMapping("/health")
-    public String getHealth() {
-        return "Server is working...";
-    }
-}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index bec7acd..af6c2b3 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -3,7 +3,7 @@ server.servlet.context-path=/api
 spring.datasource.url=jdbc:mysql://localhost:3306/air_companies_management
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
 spring.datasource.username=root
-spring.datasource.password=default
+spring.datasource.password=${DB_PASSWORD}
 spring.jpa.database-platform=org.hibernate.dialect.MySQL8Dialect
 spring.jpa.open-in-view=false
 spring.jpa.show-sql=true