Update Dockerfile

Dockerfile

@@ -43,6 +43,8 @@ COPY ./start_server.sh ./
 RUN pip install --no-cache-dir open-text-embeddings[server] langchain_community && \
     chmod +x ./start_server.sh
 
+RUN pip install --no-cache-dir InstructorEmbedding
+
 # Expose a port for the server
 EXPOSE ${PORT}