Add (commented) volume in docker-compose && Mitigating the HTTPoxy Vulnerability (#1253)

* enable commented volume in docker-compose.yml

* Disable unworking Nginx root directory && Mitigating the HTTPoxy Vulnerability

* add my instance to the list

* enable GZIP on nginx.conf

* readd root /home/mastodon/live/public;

docker-compose.yml

@@ -1,11 +1,20 @@
 version: '2'
 services:
+
   db:
     restart: always
     image: postgres:alpine
+### Uncomment to enable DB persistance
+#    volumes:
+#      - ./postgres:/var/lib/postgresql/data
+
   redis:
     restart: always
     image: redis:alpine
+### Uncomment to enable REDIS persistance
+#    volumes:
+#      - ./redis:/data
+
   web:
     restart: always
     build: .
@@ -19,6 +28,7 @@ services:
     volumes:
       - ./public/assets:/mastodon/public/assets
       - ./public/system:/mastodon/public/system
+
   streaming:
     restart: always
     build: .
@@ -29,6 +39,7 @@ services:
     depends_on:
       - db
       - redis
+
   sidekiq:
     restart: always
     build: .