gRPC and worker

ctrl/docker-compose.yml

@@ -3,6 +3,8 @@ x-common-env: &common-env
   REDIS_URL: redis://redis:6379/0
   DJANGO_SETTINGS_MODULE: mpr.settings
   DEBUG: 1
+  GRPC_HOST: grpc
+  GRPC_PORT: 50051
 
 x-healthcheck-defaults: &healthcheck-defaults
   interval: 5s
@@ -93,6 +95,26 @@ services:
       redis:
         condition: service_healthy
 
+  grpc:
+    build:
+      context: ..
+      dockerfile: ctrl/Dockerfile
+    command: python -m grpc.server
+    ports:
+      - "50051:50051"
+    environment:
+      <<: *common-env
+      GRPC_PORT: 50051
+      GRPC_MAX_WORKERS: 10
+    volumes:
+      - ..:/app
+      - ../media:/app/media
+    depends_on:
+      postgres:
+        condition: service_healthy
+      redis:
+        condition: service_healthy
+
   celery:
     build:
       context: ..
@@ -109,6 +131,8 @@ services:
         condition: service_healthy
       redis:
         condition: service_healthy
+      grpc:
+        condition: service_started
 
   timeline:
     build: