add automated tests

t/.env

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+# Password for the 'elastic' user (at least 6 characters)
+ELASTIC_PASSWORD=tuscador1
+
+# Version of Elastic products
+STACK_VERSION=9.4.2
+
+# Set the cluster name
+CLUSTER_NAME=domdoc
+
+# Set to 'basic' or 'trial' to automatically start the 30-day trial
+LICENSE=basic
+#LICENSE=trial
+
+# Port to expose Elasticsearch HTTP API to the host
+ES_PORT=9200
+#ES_PORT=127.0.0.1:9200
+
+# Increase or decrease based on the available host memory (in bytes)
+MEM_LIMIT=1073741824