For easily using jsonnet in test

Author: lamuguo

Dockerfile

@@ -0,0 +1,12 @@
+FROM ubuntu:latest
+
+WORKDIR /opt
+
+RUN apt-get update && \
+    apt-get install -y git build-essential autoconf libtool make
+
+# Install jsonnet
+RUN git clone https://github.com/google/jsonnet && \
+    cd jsonnet && \
+    make && \
+    cd ..