use ubuntu now

bsp_linux/Dockerfile

@@ -1,5 +1,5 @@
-# FROM alpine:latest
 FROM ubuntu:latest
+# FROM alpine:latest
 
 RUN apt-get update -y && apt-get upgrade -y
 RUN apt-get install -y cmake g++
@@ -16,4 +16,3 @@ RUN set -ex; \
 
 ENTRYPOINT ["cmake", "--build", "build-linux"]
 CMD ["-j"]
-# CMD ["sh"]