Update Dockerfile

Dockerfile

@@ -1,7 +1,10 @@
 FROM ubuntu
 
-RUN wget -O /usr/local/bin/ollama https://github.com/ollama/ollama/releases/latest/download/ollama-linux-amd64 && chmod +x /usr/local/bin/ollama
+RUN apt-get update && \
+  apt-get install -y --no-install-recommends ca-certificates wget && \
+  wget -O /usr/local/bin/ollama https://github.com/ollama/ollama/releases/latest/download/ollama-linux-amd64 &&\
+  chmod +x /usr/local/bin/ollama
 
 ENV OLLAMA_HOST="0.0.0.0:7860"
 
-CMD ["sh", "-c", "ollama serve & sleep 10 && ollama run llama3"]
+CMD ["sh", "-c", "ollama serve & sleep 10 && ollama run llama3"]