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