diff --git a/docker/.env.example b/docker/.env.example
index 31a54806c0..3508e3232a 100644
--- a/docker/.env.example
+++ b/docker/.env.example
@@ -520,11 +520,11 @@ RELYT_DATABASE=postgres
 # open search configuration, only available when VECTOR_STORE is `opensearch`
 OPENSEARCH_HOST=opensearch
 OPENSEARCH_PORT=9200
+OPENSEARCH_SECURE=true
+OPENSEARCH_AUTH_METHOD=basic
 OPENSEARCH_USER=admin
 OPENSEARCH_PASSWORD=admin
-OPENSEARCH_SECURE=true
-# If using AWS managed IAM, e.g. Managed Cluster or OpenSearch Serverless, set to true.
-OPENSEARCH_USE_AWS_MANAGED_IAM=false
+# If using AWS managed IAM, e.g. Managed Cluster or OpenSearch Serverless
 OPENSEARCH_AWS_REGION=ap-southeast-1
 OPENSEARCH_AWS_SERVICE=aoss
 
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
index e0e713b164..3ed0f60e96 100644
--- a/docker/docker-compose.yaml
+++ b/docker/docker-compose.yaml
@@ -225,10 +225,10 @@ x-shared-env: &shared-api-worker-env
   RELYT_DATABASE: ${RELYT_DATABASE:-postgres}
   OPENSEARCH_HOST: ${OPENSEARCH_HOST:-opensearch}
   OPENSEARCH_PORT: ${OPENSEARCH_PORT:-9200}
+  OPENSEARCH_SECURE: ${OPENSEARCH_SECURE:-true}
+  OPENSEARCH_AUTH_METHOD: ${OPENSEARCH_AUTH_METHOD:-basic}
   OPENSEARCH_USER: ${OPENSEARCH_USER:-admin}
   OPENSEARCH_PASSWORD: ${OPENSEARCH_PASSWORD:-admin}
-  OPENSEARCH_SECURE: ${OPENSEARCH_SECURE:-true}
-  OPENSEARCH_USE_AWS_MANAGED_IAM: ${OPENSEARCH_USE_AWS_MANAGED_IAM:-false}
   OPENSEARCH_AWS_REGION: ${OPENSEARCH_AWS_REGION:-ap-southeast-1}
   OPENSEARCH_AWS_SERVICE: ${OPENSEARCH_AWS_SERVICE:-aoss}
   TENCENT_VECTOR_DB_URL: ${TENCENT_VECTOR_DB_URL:-http://127.0.0.1}