Update GraphDB Dockerfile

images/triplestore/Dockerfile

@@ -1,4 +1,4 @@
-# This container contains a Dockerfile for building a GraphDB zip. 
+# This Dockerfile contains instructions to compile and run GraphDB inside a Docker container. 
 # It is roughly based on https://github.com/Ontotext-AD/graphdb-docker/blob/master/free-edition/Dockerfile
 # but has been modified for performance and security. 
 
@@ -47,7 +47,7 @@ EXPOSE 7200
 
 # setup a healthcheck, that checks if the server is up. 
 RUN apt-get update && apt-get install -y curl
-HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD curl --fail 127.0.0.1:7200 || exit 1
+HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD curl --fail 127.0.0.1:7200/rest/repositories || exit 1
 
 # Add volumes for data, work and logs as these might be accessible from the outside. 
 # To add your own configuration, manually mount a config file into /opt/graphdb/work

images/triplestore/entrypoint.sh

@@ -1,10 +1,13 @@
 #!/bin/bash
 set -e
 
-# chown the volumes to graphdb
-chown -R graphdb:graphdb /opt/graphdb/data
-chown -R graphdb:graphdb /opt/graphdb/work
-chown -R graphdb:graphdb /opt/graphdb/logs
+# Because we want to run graphdb as a limited user
+# we need to make sure that the volumes are writable. 
+# Because of that, we 'chown'
 
-# run graphdb as a limited user
+chown graphdb:graphdb /opt/graphdb/data
+chown graphdb:graphdb /opt/graphdb/work
+chown graphdb:graphdb /opt/graphdb/logs
+
+# switch to the graphdb user, and run graphdb
 su graphdb -c "/opt/graphdb/bin/graphdb $@"