fix image name

README.md

 # Tripal Docker Image
 
-[![Docker Automated build](https://img.shields.io/docker/automated/erasche/tripal.svg?style=flat-square)](https://hub.docker.com/r/erasche/tripal/)
+[![Docker Repository on Quay](https://quay.io/repository/erasche/tripal/status "Docker Repository on Quay")](https://quay.io/repository/erasche/tripal)
 [![DOI](https://zenodo.org/badge/10899/erasche/docker-tripal.svg)](https://zenodo.org/badge/latestdoi/10899/erasche/docker-tripal)
 
 ![Tripal Logo](http://tripal.info/sites/default/files/TripalLogo_dark.png)
@@ -20,7 +20,7 @@ The following example will run 3 docker containers:
 version: "2"
 services:
   tripal:
-    image: erasche/tripal:latest
+    image: quay.io/erasche/tripal:master
     links:
       - db:postgres
     volumes:
@@ -100,7 +100,7 @@ If both ENABLE_DRUPAL_CACHE and ENABLE_MEMCACHE are enabled, Drupal will cache d
 To build a derivative image from this, it should be as simple as writing a Dockerfile which builds off of this image.
 
 ```Dockerfile
-FROM erasche/tripal
+FROM quay.io/erasche/tripal:master
 ```
 
 If you wish to load additional drupal modules, we have exposed the environment variables `TRIPAL_DOWNLOAD_MODULES` and `TRIPAL_ENABLE_MODULES` to allow for this. Note that `TRIPAL_ENABLE_MODULES` already has a large number of non-core modules enabled. You can change this list according to your preferences. Modules that are in `TRIPAL_ENABLE_MODULES` but not in `TRIPAL_DOWNLOAD_MODULES` will be automatically downloaded in their latest stable version.
@@ -164,7 +164,7 @@ To ease the backup of a tripal instance, you can mount several docker volumes by
 version: "2"
 services:
   tripal:
-    image: erasche/tripal:latest
+    image: quay.io/erasche/tripal:master
     [...]
     volumes:
       - ./your/backed/up/dir/tripal_sites:/var/www/html/sites

docker-compose.yml

@@ -4,7 +4,7 @@ version: '2'
 services:
 
     web:
-      image: erasche/tripal:latest
+      image: quay.io/erasche/tripal:master
       links:
         - db:postgres
         - elasticsearch:elasticsearch