diff --git a/compose.system.yaml b/compose.system.yaml
index c35f50f..4698f2e 100644
--- a/compose.system.yaml
+++ b/compose.system.yaml
@@ -8,6 +8,8 @@ x-aws-env: &aws_env
   AWS_ACCESS_KEY_ID: ${AWS_ACCESS_KEY_ID}
   AWS_SECRET_ACCESS_KEY: ${AWS_SECRET_ACCESS_KEY}
 x-dagster-env: &dagster_env
+  DAGSTER_POSTGRES_HOST: ${POSTGRES_HOST}
+  DAGSTER_POSTGRES_PORT: ${POSTGRES_PORT}
   DAGSTER_POSTGRES_USER: ${POSTGRES_USER}
   DAGSTER_POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
   DAGSTER_POSTGRES_DB: ${POSTGRES_DB}