Update Dockerfile

Dockerfile

@@ -1,13 +1,11 @@
-FROM ubuntu:22.04
+FROM ollama/ollama
 
-RUN apt update && apt install -y curl
+ENV OLLAMA_HOST=0.0.0.0:11434
 
-RUN curl -fsSL https://ollama.com/install.sh | sh
+EXPOSE 11434
 
-RUN curl -L https://github.com/open-webui/open-webui/archive/refs/heads/main.tar.gz | tar xz
+RUN ollama serve & \
+    sleep 15 && \
+    ollama pull gemma:2b
 
-WORKDIR /open-webui-main
-
-EXPOSE 8080 11434
-
-CMD ollama serve & npm install && npm run dev
+CMD ["ollama", "serve"]