diff --git a/compose.yml b/compose.yml
index 9ec86c8..1b2b506 100644
--- a/compose.yml
+++ b/compose.yml
@@ -3,11 +3,14 @@ services:
   frontend-v2:
     build: FRONTEND_V2/.
     image: codebattles-frontend-v2
+    ports:
+      - "8002:80"
     restart: unless-stopped
     environment:
       VITE_ENV: "production"
 
     networks:
+      - with-internet
       - no-internet
 
   backend:
@@ -15,9 +18,9 @@ services:
     image: codebattles-backend-v2
     environment:
       SERVER_PORT: 8000
-      SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/${DB_NAME}
-      SPRING_DATASOURCE_USERNAME: ${DB_USER}
-      SPRING_DATASOURCE_PASSWORD: ${DB_PASSWORD}
+      SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/cb
+      SPRING_DATASOURCE_USERNAME: postgres
+      SPRING_DATASOURCE_PASSWORD: admin
     ports:
       - "8000:8000"
     depends_on:
@@ -27,19 +30,22 @@ services:
       - postgres
     restart: unless-stopped
     networks:
+      - with-internet
       - no-internet
+      - checkers-net
   postgres:
     image: postgres:13.3-alpine
     environment:
-      POSTGRES_DB: ${DB_NAME}
-      POSTGRES_USER: ${DB_USER}
-      PGUSER: ${DB_USER}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
+      POSTGRES_DB: "cb"
+      POSTGRES_USER: "postgres"
+      PGUSER: "postgres"
+      POSTGRES_PASSWORD: "admin"
       REQUIRE_CAPTCHA: false
+
     ports:
       - "25565:5432"
     healthcheck:
-      test: [ "CMD-SHELL", "pg_isready", "-U", "${DB_USER}", "-d", "${DB_NAME}" ]
+      test: [ "CMD-SHELL", "pg_isready", "-U", "postgres", "-d", "cb" ]
       interval: 2s
       timeout: 2s
     restart: unless-stopped
@@ -58,14 +64,14 @@ services:
     networks:
       - with-internet
       - no-internet
-  
-  #  checker-java:
-  #    build:
-  #      dockerfile: z_checkers_dockerfiles/Java.Dockerfile
-  #    image: codebattles-checker-java
-  #    restart: unless-stopped
-  #    networks:
-  #      - no-internet
+
+  checker-java:
+    build:
+      dockerfile: z_checkers_dockerfiles/Java.Dockerfile
+    image: codebattles-checker-java
+    restart: unless-stopped
+    networks:
+      - checkers-net
 
   checker-python:
     build:
@@ -73,16 +79,26 @@ services:
     image: codebattles-checker-python
     restart: unless-stopped
     networks:
-      - no-internet
+      - checkers-net
+
+#  checker-kumir:
+#    build:
+#      dockerfile: z_checkers_dockerfiles/Kumir.Dockerfile
+#    image: codebattles-checker-kumir
+#    restart: unless-stopped
+#    networks:
+#      - with-internet
+#      - no-internet
+
 
 #  checker-cpp:
 #    build:
-#      dockerfile: z_checkers_dockerfiles/CPP.Dockerfile
+#      dockerfile: ./CPP.Dockerfile
 #    image: codebattles-checker-cpp
 #    restart: unless-stopped
 #  checker-pascal:
 #    build:
-#      dockerfile: z_checkers_dockerfiles/Pascal.Dockerfile
+#      dockerfile: ./Pascal.Dockerfile
 #    image: codebattles-checker-pascal
 #    restart: unless-stopped
 
@@ -90,7 +106,9 @@ networks:
   no-internet:
     driver: bridge
     internal: true
+  checkers-net:
+    driver: bridge
+    internal: true
   with-internet:
     driver: bridge
 
-