Assign the neo4j pod at least 1G memory

I just went into memory issues when creating all the pods. Neo4j was in
a crash loop with exit code 137. Apparently this one:

https://success.docker.com/article/what-causes-a-container-to-exit-with-code-137

deployment/helm/human-connection/templates/deployment-neo4j.yaml

@@ -27,11 +27,11 @@ spec:
         ports:
         - containerPort: 7687
         - containerPort: 7474
-        # resources:
-        #   requests:
-        #     memory: "2G"
-        #   limits:
-        #     memory: "8G"
+        resources:
+          requests:
+            memory: {{ .Values.neo4jResourceRequestsMemory | default "1G" | quote }}
+          limits:
+            memory: {{ .Values.neo4jResourceLimitsMemory | default "1G" | quote }}
         env:
         - name: NEO4J_dbms_security_procedures_unrestricted
           value: "algo.*,apoc.*"

deployment/helm/human-connection/values.yaml

@@ -9,6 +9,8 @@ smtpUsername:
 smtpPassword:
 sentryDsnWebapp:
 sentryDsnBackend:
+neo4jResourceRequestsMemory: "1G"
+neo4jResourceLimitsMemory: "1G"
 neo4jConfig:
   apoc_import_file_enabled: "true"
   dbms_memory_pagecache_size: "490M"
@@ -21,5 +23,5 @@ privateKeyPassphrase: a7dsf78sadg87ad87sfagsadg78
 mapboxToken: pk.eyJ1IjoiaHVtYW4tY29ubmVjdGlvbiIsImEiOiJjajl0cnBubGoweTVlM3VwZ2lzNTNud3ZtIn0.KZ8KK9l70omjXbEkkbHGsQ
 mongodbUsername:
 mongodbPassword:
-neo4jUsername:
-neo4jPassword:
+neo4jUsername: neo4j
+neo4jPassword: neo4j