bug: syntax error, missing && in bash commands

Dockerfile

@@ -34,7 +34,7 @@ COPY open/text/embeddings ./open/text/embeddings
 COPY server-requirements.txt ./
 COPY ./start_server.sh ./
 COPY ./index.html ./
-RUN pip install --no-cache-dir -r server-requirements.txt \
+RUN pip install --no-cache-dir -r server-requirements.txt && \
     chmod +x ./start_server.sh
 
 # Expose a port for the server