update neo4j

neo4j/README.md

@@ -0,0 +1,42 @@
+neo4j
+=====
+
+[Neo4j][1] is a highly scalable native graph database that leverages data
+relationships as first-class entities, helping enterprises build intelligent
+applications to meet today’s evolving data challenges.
+
+## docker-compose
+
+```yaml
+neo4j:
+  image: neo4j
+  ports:
+    - "7474:7474"
+    - "7687:7687"
+  volumes:
+    - ./data:/data
+  environment:
+    - NEO4J_CACHE_MEMORY=4G
+  ulimits:
+    nofile:
+      soft: 65535
+      hard: 65535
+  restart: always
+```
+
+## up and running
+
+```
+$ docker-compose up -d
+
+$ docker-compose exec neo4j bin/neo4j-shell
+>>> man
+>>> export person_id="123"
+>>> env
+>>> create index on :Person(id);
+>>> create (p:Person {id: {person_id}}) return p;
+>>> match (p:Person {id: {person_id}}) return p;
+>>> exit
+```
+
+[1]: http://neo4j.com/