[TC-221]: init template-backend-service (#1)

https://eva.avroid.tech/desk/cards?obj=Task:TC-221

Начальная версия сервиса-шаблона

Co-authored-by: Nadezhda <nadezhda.lavrentieva@avroid.team>
Reviewed-on: https://git.avroid.tech/Templates/template-backend-service/pulls/1
Reviewed-by: Victor Stratov <victor.stratov@avroid.tech>

docker-compose.yml

@@ -0,0 +1,40 @@
+volumes:
+  postgresql: {}
+
+services:
+  template-backend-service:
+    build: .
+    ports:
+      - "8000:8000"
+    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"
+      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"
+    ports:
+      - "5432:5432"
+    volumes:
+      - postgresql:/var/lib/postgresql/data