[TC-642] modify template (#3)

https://eva.avroid.tech/desk/Task/TC-642#be-dorabotat-shablon-servisov-backend

Дорабатываем шаблон сервисов по требованиям: https://eva.avroid.tech/project/Document/DOC-002710#trebovanija-k-versijam

Reviewed-on: https://git.avroid.tech/Templates/template-backend-service/pulls/3
Reviewed-by: Victor Stratov <victor.stratov@avroid.team>
Reviewed-by: Petr Brovchenko <petr.brovchenko@avroid.team>
Co-authored-by: Nadezhda <nadezhda.lavrentieva@avroid.team>
Co-committed-by: Nadezhda <nadezhda.lavrentieva@avroid.team>

docker-compose.yml

@@ -1,40 +1,45 @@
+networks:
+  cloud-messenger:
+    driver: bridge
+
 volumes:
   postgresql: {}
 
 services:
   template-backend-service:
     build: .
-    ports:
-      - "8000:8000"
+    env_file: "local.env"
+    container_name: template-backend-service
     volumes:
       - ./:/app
     environment:
-      POSTGRES_DSN: "postgresql://test:test@cloud-postgres.avroid.cloud:5432/messenger"
-      POSTGRES_USER: "test"
-      POSTGRES_PASSWORD: "test"
-      POSTGRES_HOST: "cloud-postgres.avroid.cloud"
-      POSTGRES_DB: "messenger"
-
-      PORT: "8000"
-
-      SCYLLADB_HOST: "cloud-scylla.avroid.cloud"
-      SCYLLADB_PORT: "9042"
-      SCYLLADB_USER: "test"
-      SCYLLADB_PASSWORD: "test"
-      SCYLLADB_KEYSPACE: "messenger"
+      PORT: 8000
+      ENVIRONMENT: local
       LOGGING: '{"json_enabled": true, "level": "INFO"}'
-      ENVIRONMENT: "production"
-    depends_on:
-      - db
-  db:
-    image: postgres:14.8
-    restart: always
-    environment:
-      POSTGRES_USER: "test"
-      POSTGRES_PASSWORD: "test"
-      POSTGRES_HOST: "cloud-postgres.avroid.cloud"
-      POSTGRES_DB: "messenger"
+      POSTGRES_DSN: postgresql://messenger:messenger@postgresql:5432/messenger
+    networks:
+      - cloud-messenger
     ports:
-      - "5432:5432"
+      - "8000:8000"
+    depends_on:
+      - postgresql
+
+  postgresql:
+    image: postgres:14.0
+    container_name: template-backend-service-db
+    restart: always
     volumes:
       - postgresql:/var/lib/postgresql/data
+    environment:
+      POSTGRES_USER: messenger
+      POSTGRES_PASSWORD: messenger
+      POSTGRES_DB: messenger
+    networks:
+      - cloud-messenger
+    ports:
+      - "5432:5432"
+    healthcheck:
+      test: [ "CMD-SHELL", "pg_isready -d postgres" ]
+      interval: 30s
+      timeout: 10s
+      retries: 5