Pass resource ENVs to zammad-elasticsearch container (#494)

* Adds ELASTICSEARCH_HEAP_SIZE, ELASTICSEARCH_MAX_ALLOWED_MEMORY_PERCENTAGE, ELASTICSEARCH_MAX_ALLOWED_MEMORY, ELASTICSEARCH_MAX_TIMEOUT and ELASTICSEARCH_LOCK_ALL_MEMORY to the list of variables to be passed to the zammad-elasticsearch container so that these limits can be configured via .env.

Author: mgruner

docker-compose.yml

@@ -76,13 +76,21 @@ services:
     volumes:
       - elasticsearch-data:/bitnami/elasticsearch/data
     environment:
+      # See https://github.com/bitnami/containers/tree/main/bitnami/elasticsearch#environment-variables
+      #
       # Enable authorization without HTTPS. For external access with
       #   SSL termination, use solutions like nginx-proxy-manager.
       ELASTICSEARCH_ENABLE_SECURITY: 'true'
       ELASTICSEARCH_SKIP_TRANSPORT_TLS: 'true'
       ELASTICSEARCH_ENABLE_REST_TLS: 'false'
       # ELASTICSEARCH_USER is hardcoded to 'elastic' in the container.
       ELASTICSEARCH_PASSWORD: ${ELASTICSEARCH_PASS:-zammad}
+      # Resource settings
+      ELASTICSEARCH_HEAP_SIZE:
+      ELASTICSEARCH_MAX_ALLOWED_MEMORY_PERCENTAGE:
+      ELASTICSEARCH_MAX_ALLOWED_MEMORY:
+      ELASTICSEARCH_MAX_TIMEOUT:
+      ELASTICSEARCH_LOCK_ALL_MEMORY:
 
   zammad-init:
     <<: *zammad-service