feat: enable backend ollama url update

Dockerfile

@@ -2,12 +2,6 @@
 
 FROM node:alpine as build
 
-ARG OLLAMA_API_BASE_URL='/ollama/api'
-RUN echo $OLLAMA_API_BASE_URL
-
-ENV PUBLIC_API_BASE_URL $OLLAMA_API_BASE_URL
-RUN echo $PUBLIC_API_BASE_URL
-
 WORKDIR /app
 
 COPY package.json package-lock.json ./