Initially update Dockerfile of fates from sipnet

models/fates/Dockerfile

@@ -0,0 +1,42 @@
+# this needs to be at the top, what version are we building
+ARG IMAGE_VERSION="latest"
+
+# ----------------------------------------------------------------------
+# BUILD SIPNET BINARY
+# ----------------------------------------------------------------------
+FROM pecan/models:${IMAGE_VERSION} as model-binary 
+
+# Some variables that can be used to set control the docker build
+ARG MODEL_VERSION=git
+
+# download, unzip and build sipnet
+WORKDIR /src
+RUN git clone https://github.com/PecanProject/fates.git \
+    && cd sipnet \
+    && if [ "${MODEL_VERSION}" != "git" ]; then git checkout ${MODEL_VERSION}; fi \
+    && make
+
+########################################################################
+
+# ----------------------------------------------------------------------
+# BUILD PECAN FOR FATES
+# ----------------------------------------------------------------------
+FROM pecan/models:${IMAGE_VERSION} 
+
+
+# ----------------------------------------------------------------------
+# SETUP FOR SPECIFIC SIPNET VERSION
+# ----------------------------------------------------------------------
+
+# Some variables that can be used to set control the docker build
+ARG MODEL_VERSION=git
+
+# Setup model_info file
+COPY model_info.json /work/model.json
+RUN sed -i -e "s/@VERSION@/${MODEL_VERSION}/g" \
+           -e "s#@BINARY@#/usr/local/bin/fates.${MODEL_VERSION}#g" /work/model.json
+
+# COPY sipnet binary
+COPY --from=model-binary /src/CESM/fates /usr/local/bin/fates.${MODEL_VERSION} 
+
+# /src/CESM/fates?