VIVO-1963: Initial docker compose (#223)

* initial docker compose

* for docker volume use direct tdb filemode

* runtime properties with solr url configured

* move gitattributes to root to ensure scripts stay valid

* fix VIVO dockerfile command permissions

* use public vivoweb/vivo-solr image

* start script improvements

* pass docker compose env to containers

* generate digest.md5 of existing VIVO home

* add initial readme

* reset docker compose env defaults

* minor readme updates

README.md

@@ -21,6 +21,41 @@ https://wiki.duraspace.org/display/VIVO/
 Installation instructions for the latest release can be found at this location on the wiki:  
 https://wiki.duraspace.org/display/VIVODOC110x/Installing+VIVO
 
+### Docker
+
+VIVO docker container is available at [vivoweb/vivo](https://hub.docker.com/repository/docker/vivoweb/vivo) with accompanying [vivoweb/vivo-solr](https://hub.docker.com/repository/docker/vivoweb/vivo-solr). These can be used independently or with docker-compose.
+
+### Docker Compose
+
+Docker Compose environment variables.
+
+.env defaults
+```
+LOCAL_VIVO_HOME=./vivo-home
+RESET_HOME=false
+RESET_CORE=false
+```
+
+- `LOCAL_VIVO_HOME`: VIVO home directory on your host machine which will mount to volume in docker container.
+- `RESET_HOME`: Convinience to reset VIVO home when starting container. **Caution** will delete local configuration, content, and configuration model.
+- `RESET_CORE`: Convinience to reset VIVO Solr core when starting container. **Caution** will require complete reindex.
+
+Build and start VIVO.
+
+```
+mvn clean install
+docker-compose up
+```
+
+### Docker Image
+
+To build and run local Docker image.
+
+```
+docker build -t vivoweb/vivo:development .
+docker run -p 8080:8080 vivoweb/vivo:development
+```
+
 ## Contact us
 There are several ways to contact the VIVO community. 
 Whatever your interest, we would be pleased to hear from you.