Create Dockerfile

Dockerfile

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+# Use Elastic’s official Docker image
+FROM docker.elastic.co/elasticsearch/elasticsearch:8.6.1
+
+# Single-node mode (no cluster discovery)
+ENV discovery.type=single-node
+
+# Copy in your custom config
+COPY elasticsearch.yml /usr/share/elasticsearch/config/
+
+# Expose the Space’s HTTP port
+EXPOSE 7860
+
+# Launch Elasticsearch (as PID 1)
+CMD ["elasticsearch"]