pkg/recipe/repair: decrease minimum storage node disk space

This change decreases the amount of disk space that a storage node must
have allocated in order to be selected for repair.

Change-Id: I4edd420425f9d3d6b8cb4914fc54650d2d4ed786

pkg/recipe/repair.yaml

@@ -16,11 +16,12 @@ add:
       - /var/lib/storj/.local/share/storj
     config:
       STORJ_DATABASE: '{{ Environment "cockroach" "main" }}'
-      STORJ_METAINFO_DATABASE_URL: '{{ Environment "cockroach" "metainfo" }}'
       STORJ_DEBUG_ADDR: '{{ Host .This "listen" }}:{{ Port .This "debug"}}'
-      STORJ_ORDERS_ENCRYPTION_KEYS: '0100000000000000=0100000000000000000000000000000000000000000000000000000000000000'
       STORJ_LOG_LEVEL: debug
+      STORJ_METAINFO_DATABASE_URL: '{{ Environment "cockroach" "metainfo" }}'
       STORJ_METRICS_APP_SUFFIX: sim
+      STORJ_ORDERS_ENCRYPTION_KEYS: '0100000000000000=0100000000000000000000000000000000000000000000000000000000000000'
+      STORJ_OVERLAY_NODE_MINIMUM_DISK_SPACE: 500MB
 
       STORJ_VERSION_SERVER_ADDRESS: 'http://{{ Host "versioncontrol" "external"}}:{{ Port "versioncontrol" "public"}}'
     environment: