switch ES to use /tmp directories since we are ephemeral

Author: eepMoody

.do/app.yaml

@@ -6,11 +6,22 @@ workers:
       repository: elasticsearch
       tag: "8.11.0"
     instance_count: 1
-    instance_size_slug: basic-xxs
-    run_command: elasticsearch -E discovery.type=single-node -E xpack.security.enabled=false -E network.host=0.0.0.0
+    instance_size_slug: basic-s
+    run_command: |
+      /bin/bash -c "
+      mkdir -p /tmp/elasticsearch/data /tmp/elasticsearch/logs &&
+      chown -R elasticsearch:elasticsearch /tmp/elasticsearch &&
+      su -s /bin/bash -c 'elasticsearch \
+        -E discovery.type=single-node \
+        -E xpack.security.enabled=false \
+        -E network.host=0.0.0.0 \
+        -E path.data=/tmp/elasticsearch/data \
+        -E path.logs=/tmp/elasticsearch/logs \
+        -E bootstrap.memory_lock=false' elasticsearch
+      "
     envs:
       - key: ES_JAVA_OPTS
-        value: "-Xms512m -Xmx512m -Des.entitlements.enabled=false"
+        value: "-Xms512m -Xmx512m"
     liveness_health_check:
       http_path: "/_cluster/health"
       port: 9200
@@ -28,7 +39,7 @@ services:
     dockerfile_path: Dockerfile
     http_port: 8080
     instance_count: 1
-    instance_size_slug: basic-xxs
+    instance_size_slug: basic-sm
     envs:
       - key: ELASTICSEARCH_URL
         value: "http://elasticsearch:9200/"