[docker] Update README to fix links and small improvement

docker-compose.yml

@@ -36,6 +36,7 @@ version: "3.7"
 services:
   redis:
     image: redis:3.2
+    container_name: superset_cache
     restart: unless-stopped
     ports:
       - "127.0.0.1:6379:6379"
@@ -45,16 +46,18 @@ services:
   db:
     env_file: docker/.env
     image: postgres:10
+    container_name: superset_db
     restart: unless-stopped
     ports:
       - "127.0.0.1:5432:5432"
     volumes:
       - db_home:/var/lib/postgresql/data
 
   superset:
+    env_file: docker/.env
     build: *superset-build
+    container_name: superset_app
     command: ["flask", "run", "-p", "8088", "--with-threads", "--reload", "--debugger", "--host=0.0.0.0"]
-    env_file: docker/.env
     restart: unless-stopped
     ports:
       - 8088:8088
@@ -63,20 +66,23 @@ services:
 
   superset-init:
     build: *superset-build
+    container_name: superset_init
     command: ["/app/docker-init.sh"]
     env_file: docker/.env
     depends_on: *superset-depends-on
     volumes: *superset-volumes
 
   superset-node:
     image: node:10-jessie
+    container_name: superset_node
     command: ["bash", "-c", "cd /app/superset-frontend && npm install --global webpack webpack-cli && npm install && npm run dev"]
     env_file: docker/.env
     depends_on: *superset-depends-on
     volumes: *superset-volumes
 
   superset-worker:
     build: *superset-build
+    container_name: superset_worker
     command: ["celery", "worker", "--app=superset.tasks.celery_app:app", "-Ofair"]
     env_file: docker/.env
     restart: unless-stopped
@@ -91,4 +97,4 @@ volumes:
   db_home:
     external: false
   redis:
-    external: false
+    external: false

docker/README.md

@@ -28,14 +28,14 @@ Docker is an easy way to get started with Superset.
 
 ## Configuration
 
-The `/app/pythonpath` folder is mounted from [./docker/pythonpath_dev](./docker/pythonpath_dev) 
-which contains a base configuration [./docker/pythonpath/superset_config.py](./docker/pythonpath/superset_config.py) 
+The `/app/pythonpath` folder is mounted from [./pythonpath_dev](./pythonpath_dev) 
+which contains a base configuration [./pythonpath_dev/superset_config.py](./pythonpath_dev/superset_config.py) 
 intended for use with local development.
 
 ### Local overrides
 
-In order to override configuration settings locally, simply make a copy of [./docker/pythonpath/superset_config_local.example](./docker/pythonpath/superset_config_local.example)
-into [./docker/pythonpath/superset_config_docker.py](./docker/pythonpath/superset_config_docker.py) (git ignored) and fill in your overrides.
+In order to override configuration settings locally, simply make a copy of [./pythonpath_dev/superset_config_local.example](./pythonpath_dev/superset_config_local.example)
+into [./pythonpath_dev/superset_config_docker.py](./pythonpath/superset_config_docker.py) (git ignored) and fill in your overrides.
 
 ### Local packages
 
@@ -65,6 +65,10 @@ docker-compose up
 After several minutes for superset initialization to finish, you can open a browser and view [`http://localhost:8088`](http://localhost:8088) 
 to start your journey.
 
+To check the progression of the init procedures run:
+
+`docker logs superset_init -f`
+
 ## Developing
 
 While running, the container server will reload on modification of the superset python and javascript source code.