fix: add local model configuration to Dockerfile

Author: liuruibin

installer/Dockerfile

@@ -48,6 +48,9 @@ ENV MAXKB_VERSION="${DOCKER_IMAGE_TAG} (build at ${BUILD_AT}, commit: ${GITHUB_C
     MAXKB_REDIS_PASSWORD=${REDIS_PASSWORD} \
     MAXKB_EMBEDDING_MODEL_PATH=/opt/maxkb-app/model/embedding \
     MAXKB_EMBEDDING_MODEL_NAME=/opt/maxkb-app/model/embedding/shibing624_text2vec-base-chinese \
+    MAXKB_LOCAL_MODEL_HOST=127.0.0.1 \
+    MAXKB_LOCAL_MODEL_PORT=11636 \
+    MAXKB_LOCAL_MODEL_PROTOCOL=http \
     MAXKB_SANDBOX=1 \
     PATH=/opt/py3/bin:$PATH \
     PIP_TARGET=/opt/maxkb/python-packages \