Docker config updates

- comment out database service
- mount `/gabsocial/public/system/` to external volume

docker-compose.yml

 version: '3'
 services:
 
- db:
- restart: always
- image: postgres:9.6-alpine
- networks:
- - internal_network
- healthcheck:
- test: ["CMD", "pg_isready", "-U", "postgres"]
- volumes:
- - ./postgres:/var/lib/postgresql/data
+ # db:
+ #  restart: always
+ #  image: postgres:9.6-alpine
+ #  networks:
+ #  - internal_network
+ #  healthcheck:
+ #  test: ["CMD", "pg_isready", "-U", "postgres"]
+ #  volumes:
+ #  - ./postgres:/var/lib/postgresql/data
 
  redis:
  restart: always
@@ -21,17 +21,17 @@ services:
  volumes:
  - ./redis:/data
 
-# es:
-# restart: always
-# image: docker.elastic.co/elasticsearch/elasticsearch-oss:6.1.3
-# environment:
-# - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
-# networks:
-# - internal_network
-# healthcheck:
-# test: ["CMD-SHELL", "curl --silent --fail localhost:9200/_cluster/health || exit 1"]
-# volumes:
-# - ./elasticsearch:/usr/share/elasticsearch/data
+  # es:
+  # restart: always
+  # image: docker.elastic.co/elasticsearch/elasticsearch-oss:6.1.3
+  # environment:
+  # - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+  # networks:
+  # - internal_network
+  # healthcheck:
+  # test: ["CMD-SHELL", "curl --silent --fail localhost:9200/_cluster/health || exit 1"]
+  # volumes:
+  # - ./elasticsearch:/usr/share/elasticsearch/data
 
  web:
  build: .
@@ -47,11 +47,11 @@ services:
  ports:
  - "127.0.0.1:3000:3000"
  depends_on:
- - db
+ # - db
  - redis
-# - es
+  # - es
  volumes:
- - ./public/system:/gabsocial/public/system
+ - /mnt/md0/assets:/gabsocial/public/system
 
  streaming:
  build: .
@@ -83,7 +83,8 @@ services:
  - external_network
  - internal_network
  volumes:
- - ./public/system:/gabsocial/public/system
+ - /mnt/md0/assets:/gabsocial/public/system
+
 ## Uncomment to enable federation with tor instances along with adding the following ENV variables
 ## http_proxy=http://privoxy:8118
 ## ALLOW_ACCESS_TO_HIDDEN_SERVICE=true