docker: the stable version is enough now that we released

diff --git a/tools/docker/Dockerfile.tuto-s4u b/tools/docker/Dockerfile.tuto-s4u
index 1753cc1..7832a80 100644 (file)
--- a/tools/docker/Dockerfile.tuto-s4u
+++ b/tools/docker/Dockerfile.tuto-s4u
@@ -1,5 +1,5 @@
 # Base image 
-FROM simgrid/unstable
+FROM simgrid/stable
 
 # - Clone simgrid-template-s4u, as it is needed by the tutorial
 RUN apt update && apt install -y pajeng r-base r-cran-ggplot2 r-cran-dplyr cmake g++ git libboost-all-dev&& \