backend

.env.example

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+# Choose which engine executes SPARQL:
+# - rdflib: parse TTL locally and query in-memory
+# - anzograph: query AnzoGraph over HTTP (optionally LOAD the TTL on startup)
+GRAPH_BACKEND=rdflib
+
+# Backend (rdflib) file location inside the container.
+# The TTL file must exist within the mounted ./data folder if you keep the default volume mount.
+TTL_PATH=/data/o3po.ttl
+
+# Backend behavior
+INCLUDE_BNODES=false
+# MAX_TRIPLES=1000000
+
+# AnzoGraph / SPARQL endpoint settings (used when GRAPH_BACKEND=anzograph)
+SPARQL_HOST=http://anzograph:8080
+# SPARQL_ENDPOINT=http://anzograph:8080/sparql
+SPARQL_USER=admin
+SPARQL_PASS=Passw0rd1
+
+# File URI as seen by the AnzoGraph container (used by SPARQL `LOAD`)
+SPARQL_DATA_FILE=file:///opt/shared-files/o3po.ttl
+# SPARQL_GRAPH_IRI=http://example.org/graph
+
+# Startup behavior for AnzoGraph mode
+SPARQL_LOAD_ON_START=false
+SPARQL_CLEAR_ON_START=false
+
+# Dev UX
+CORS_ORIGINS=http://localhost:5173
+VITE_BACKEND_URL=http://backend:8000